751_25246_RLO_Drawings_Marsh Creek.pdf
PDF 17 MB Posted
- Solicitation number
- RFQ 171 260000000439 3
- Issued by
- Ottawa County, Michigan
About this file
This is a construction drawings document for the St. Helen Bridge Over Marsh Creek project, prepared by OHM Advisors for the Michigan Department of Technology, Management and Budget (DTMB) and the Department of Natural Resources (DNR). The project is located in Richfield Township, Roscommon County, Michigan, and involves the removal of an existing bridge and temporary steel multi-beam bridge, construction of a new segmental precast concrete box culvert structure measuring 44 feet by 8 feet, approach work, and placement of riprap slope protection. The bridge design is based on 1.2 times the current AASHTO LRFD Bridge Design Specification HL-93 Modified loading. The project encompasses typical cross-sections showing a 14-foot-wide aggregate surface trail with 2-foot side slopes, general site plans with three soil boring locations, and detailed structural plans including guardrail installation with Type 2M approach terminals and Type T guardrail sections. The 100-year water surface elevation is established at 1177.34 feet (NAVD 83 datum), with the culvert invert elevation at 1170.50 feet. The project includes grading and erosion control measures featuring permanent seeding, riprap placement, silt fencing, and turbidity curtains.
The drawings were issued for construction on August 5, 2026, with design certification by James E. Rintala, P.E. (Registration No. 6201044654). The project contact for DTMB is Ronda Osga (989-619-6426), and for DNR is Sean Duperron (989-370-1907). OHM Advisors, located at 300 East Mitchell Street, Suite 2, Petoskey, Michigan 49770, serves as the architect/engineer with Amanda Porath as the project contact. All work is to be performed according to the Michigan Department of Transportation 2020 Standard Specifications for Construction. The DNR will close road traffic during the construction duration, and a temporary stream diversion method must be submitted to the engineer for approval. Soil boring investigations were conducted to inform foundation design, and a soils engineer footing check must be performed at least 48 hours prior to excavating to the bottom of excavations.
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© 2025 Microsoft Corporation © 2025 TomTom © 2025 Zenrin AREA LOCATION
MAP
CHICAGO
MILWAUKEE LAKE
MICHIGAN
DETROIT
LAKE
HURON
SAULT
STE
MARIE
MARQUETTE
HOUGHTON
LAKE
SUPERIOR
DULUTH
MINNEAPOLIS
GREEN BAY
ESCANABA
TRAVERSE
CITY
GRAND RAPIDS
LANSING
PROJECT
LOCATION
AREA LOCATION
MAP
GENERAL NOTES:
I Certify That The Plans Were Prepared Under My Direct Supervision
PROJECT LOCATION MAP
OHM PROJECT No.
DATE:
7136.25.0050 2026/08/05
ISSUED FOR CONSTRUCTIONOWNER:
DTMB
RONDA OSGA
PH: 989-619-6426
osgar@michigan.gov
PROJECT CONTACT
DNR
SEAN DUPERRON
PH: 989-370-1907
duperrons@michigan.gov
ARCHITECT/ENGINEER:
OHM ADVISORS
300 EAST MITCHELL STREET, SUITE 2
PETOSKEY, MI 49770
231.344.1150
PROJECT CONTACT
AMANDA PORATH
ST. HELEN BRIDGE OVER MARSH CREEK
ST. HELEN-GEELS ORV TRAIL
DEPARTMENT OF NATURAL RESOURCES
FILE NO.: 751/25246.RLO
RICHFIELD TOWNSHIP, ROSCOMMON COUNTY
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Sheet List Table Sheet Number Sheet Title http://www.ohm-advisors.com AutoCAD SHX Text
PROJECT LOCATION
./250050COV.DWG#,Cover AutoCAD SHX Text
./250050COV.DWG#,Cover AutoCAD SHX Text
COVER
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LEGEND
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TYPICAL SECTIONS
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GENERAL PLAN OF SITE
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SOIL BORING LOGS
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1. THE DESIGN OF THIS STRUCTURE IS BASED ON 1.2 TIMES THE CURRENT AASHTO LRFD BRIDGE THE DESIGN OF THIS STRUCTURE IS BASED ON 1.2 TIMES THE CURRENT AASHTO LRFD BRIDGE DESIGN SPECIFICATION HL-93 LOADING WITH THE EXCEPTION THAT THE DESIGN TANDEM PORTION OF THE HL-93 LOAD DEFINITION IS REPLACED BY A SINGLE 60 KIP AXLE LOAD BEFORE APPLICATION OF THIS 1.2 FACTOR. THE RESULTING LOAD IS DESIGNATED HL-93 MOD. LIVE LOAD PLUS DYNAMIC LOAD ALLOWANCE DEFLECTION DOES NOT EXCEED 1/800 OF SPAN LENGTH. 2. EXCEPT WHERE OTHERWISE INDICATED ON THESE PLANS, OR IN THE PROPOSAL AND EXCEPT WHERE OTHERWISE INDICATED ON THESE PLANS, OR IN THE PROPOSAL AND SUPPLEMENTAL SPECIFICATIONS CONTAINED HEREIN, PERFORM ALL WORK ACCORDING TO THE MICHIGAN DEPARTMENT OF TRANSPORTATION 2020 STANDARD SPECIFICATIONS FOR CONSTRUCTION. 3. THE REGULATED WASTE ACTIVITY IDENTIFICATION NUMBERS FOR THIS PROJECT ARE AS THE REGULATED WASTE ACTIVITY IDENTIFICATION NUMBERS FOR THIS PROJECT ARE AS FOLLOWS: CONTROL SECTION NUMBER: 4. BEVEL ALL EXPOSED CONCRETE CORNERS SHOWN SQUARE ON THE PLANS WITH ½” BEVEL ALL EXPOSED CONCRETE CORNERS SHOWN SQUARE ON THE PLANS WITH ½” TRIANGULAR MOLDINGS EXCEPT AS OTHERWISE NOTED. 5. OLD PLANS DO NOT EXIST FOR THIS STRUCTURE. OLD PLANS DO NOT EXIST FOR THIS STRUCTURE. 6. THE BRIDGE PAINT MAY CONTAIN LEAD. THE BRIDGE PAINT MAY CONTAIN LEAD. 7. UNLESS OTHERWISE SHOWN ON THE PLANS, PROVIDE MINIMUM CONCRETE CLEAR COVER FOR UNLESS OTHERWISE SHOWN ON THE PLANS, PROVIDE MINIMUM CONCRETE CLEAR COVER FOR REINFORCEMENT ACCORDING TO THE FOLLOWING: CONCRETE CAST AGAINST EARTH: 3 IN. ALL OTHER UNLESS SHOWN ON PLANS: 2 IN. 8. THIS PROJECT HAS BEEN EVALUATED USING THE FAA OBSTRUCTION EVALUATION THIS PROJECT HAS BEEN EVALUATED USING THE FAA OBSTRUCTION EVALUATION PRE-SCREENING TOOL FOR A STRUCTURE HEIGHT OF 150 FEET ABOVE A GROUND LEVEL ELEVATION OF 1185 FEET AND NO PERMITS ARE REQUIRED.
AutoCAD SHX Text 9-21
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STANDARD DETAILS
AutoCAD SHX Text Registration No.
AutoCAD SHX Text Date
AutoCAD SHX Text 2026-08-05
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JAMES E. RINTALA, P.E.
AutoCAD SHX Text 6201044654
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AutoCAD SHX Text
AGGREGATE SURFACE CSE, 12 INCH
AutoCAD SHX Text
PROPOSED TYPICAL SECTION
AutoCAD SHX Text 7.0'
AutoCAD SHX Text
2 (TYP)
AutoCAD SHX Text
AutoCAD SHX Text 7.0'
AutoCAD SHX Text 14.0'
AutoCAD SHX Text
HINGE POINT, TYP
AutoCAD SHX Text
2%%% TYP
AutoCAD SHX Text
SLOPE STAKE LINE, TYP
AutoCAD SHX Text 2.0'
AutoCAD SHX Text
EX GROUND
AutoCAD SHX Text
TO APPLY: STA 0+40.11 (POB) TO STA 1+24.87 STA 1+71.87 TO STA 2+68.95 (POE)
AutoCAD SHX Text
CONST
AutoCAD SHX Text
PROP GUARDRAIL. SEE PLAN FOR LOCATIONS (TYP)
AutoCAD SHX Text
PROPOSED TYPICAL SECTION
AutoCAD SHX Text
TO APPLY: STA 1+24.87 TO STA 1+71.87
AutoCAD SHX Text
PROP GUARDRAIL (TYP). SEE PLAN
AutoCAD SHX Text
PROP BOX CULVERT. SEE CULVERT PLANS
AutoCAD SHX Text
CONST
14.0'
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AutoCAD SHX Text
SB#1
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SB#2
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STATE FOREST RD
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MARSH CREEK
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GRAPHIC SCALE: FULL
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AutoCAD SHX Text feet
AutoCAD SHX Text
HALF
AutoCAD SHX Text JOB BENCHMARK #200 COTTON SPINDLE IN THE EAST FACE OF 16" RED OAK ON THE WEST SIDE OF TRAIL +/- 740' NORTH OF CENTERLINE OF MARSH CREEK ELEV 1183.24
AutoCAD SHX Text JOB BENCHMARK #201 COTTON SPINDLE IN WEST FACE OF 9" PINE +/- 100' NORTH OF CENTERLINE OF MARSH CREEK ON EAST SIDE OF TRAIL ELEV 1177.03
AutoCAD SHX Text JOB BENCHMARK #202 COTTON SPINDLE IN WEST FACE OF 6" PINE +/- 75' SOUTH OF CENTERLINE OF MARSH CREEK ON THE EAST SIDE OF TRAIL ELEV 1178.50
AutoCAD SHX Text
TRAVERSE POINT #102 N 390355.31 E 19681581.38 ELEV 1177.20
AutoCAD SHX Text
TRAVERSE POINT #101 N 390801.66 E 19681559.93 ELEV 1177.21
AutoCAD SHX Text
TRAVERSE POINT #100 N 391467.88 E 19681619.11 ELEV 1183.82
AutoCAD SHX Text
FLOW
AutoCAD SHX Text THE WORK COVERED BY THESE PLANS INCLUDES REMOVAL OF THE WORK COVERED BY THESE PLANS INCLUDES REMOVAL OF THE WORK COVERED BY THESE PLANS INCLUDES REMOVAL OF THE COVERED BY THESE PLANS INCLUDES REMOVAL OF THE COVERED BY THESE PLANS INCLUDES REMOVAL OF THE BY THESE PLANS INCLUDES REMOVAL OF THE BY THESE PLANS INCLUDES REMOVAL OF THE THESE PLANS INCLUDES REMOVAL OF THE THESE PLANS INCLUDES REMOVAL OF THE PLANS INCLUDES REMOVAL OF THE PLANS INCLUDES REMOVAL OF THE INCLUDES REMOVAL OF THE INCLUDES REMOVAL OF THE REMOVAL OF THE REMOVAL OF THE OF THE OF THE THE THE EXISTING BRIDGE, CONSTRUCTION OF THE PROPOSED BRIDGE, BRIDGE, CONSTRUCTION OF THE PROPOSED BRIDGE, BRIDGE, CONSTRUCTION OF THE PROPOSED BRIDGE, CONSTRUCTION OF THE PROPOSED BRIDGE, CONSTRUCTION OF THE PROPOSED BRIDGE, OF THE PROPOSED BRIDGE, OF THE PROPOSED BRIDGE, THE PROPOSED BRIDGE, THE PROPOSED BRIDGE, PROPOSED BRIDGE, PROPOSED BRIDGE, BRIDGE, BRIDGE, APPROACH WORK AND MAINTAINING TRAFFIC AND PLACING RIPRAP TO WORK AND MAINTAINING TRAFFIC AND PLACING RIPRAP TO WORK AND MAINTAINING TRAFFIC AND PLACING RIPRAP TO AND MAINTAINING TRAFFIC AND PLACING RIPRAP TO AND MAINTAINING TRAFFIC AND PLACING RIPRAP TO MAINTAINING TRAFFIC AND PLACING RIPRAP TO MAINTAINING TRAFFIC AND PLACING RIPRAP TO TRAFFIC AND PLACING RIPRAP TO TRAFFIC AND PLACING RIPRAP TO AND PLACING RIPRAP TO AND PLACING RIPRAP TO PLACING RIPRAP TO PLACING RIPRAP TO RIPRAP TO RIPRAP TO TO TO THE LIMITS SHOWN. ALL OTHER WORK IS INCLUDED IN THE BRIDGE LIMITS SHOWN. ALL OTHER WORK IS INCLUDED IN THE BRIDGE LIMITS SHOWN. ALL OTHER WORK IS INCLUDED IN THE BRIDGE SHOWN. ALL OTHER WORK IS INCLUDED IN THE BRIDGE SHOWN. ALL OTHER WORK IS INCLUDED IN THE BRIDGE ALL OTHER WORK IS INCLUDED IN THE BRIDGE ALL OTHER WORK IS INCLUDED IN THE BRIDGE OTHER WORK IS INCLUDED IN THE BRIDGE OTHER WORK IS INCLUDED IN THE BRIDGE WORK IS INCLUDED IN THE BRIDGE WORK IS INCLUDED IN THE BRIDGE IS INCLUDED IN THE BRIDGE IS INCLUDED IN THE BRIDGE INCLUDED IN THE BRIDGE INCLUDED IN THE BRIDGE IN THE BRIDGE IN THE BRIDGE THE BRIDGE THE BRIDGE BRIDGE BRIDGE PLANS THAT ARE A PART OF THIS CONTRACT. THE STEEL MULTI-BEAM TEMPORARY BRIDGE WILL BE REMOVED BY THE STEEL MULTI-BEAM TEMPORARY BRIDGE WILL BE REMOVED BY THE STEEL MULTI-BEAM TEMPORARY BRIDGE WILL BE REMOVED BY THE MULTI-BEAM TEMPORARY BRIDGE WILL BE REMOVED BY THE MULTI-BEAM TEMPORARY BRIDGE WILL BE REMOVED BY THE TEMPORARY BRIDGE WILL BE REMOVED BY THE TEMPORARY BRIDGE WILL BE REMOVED BY THE BRIDGE WILL BE REMOVED BY THE BRIDGE WILL BE REMOVED BY THE WILL BE REMOVED BY THE WILL BE REMOVED BY THE BE REMOVED BY THE BE REMOVED BY THE REMOVED BY THE REMOVED BY THE BY THE BY THE THE THE MDNR PRIOR TO CONSTRUCTION. LOCATE ALL ACTIVE UNDERGROUND UTILITIES PRIOR TO STARTING ALL ACTIVE UNDERGROUND UTILITIES PRIOR TO STARTING ALL ACTIVE UNDERGROUND UTILITIES PRIOR TO STARTING ACTIVE UNDERGROUND UTILITIES PRIOR TO STARTING ACTIVE UNDERGROUND UTILITIES PRIOR TO STARTING UNDERGROUND UTILITIES PRIOR TO STARTING UNDERGROUND UTILITIES PRIOR TO STARTING UTILITIES PRIOR TO STARTING UTILITIES PRIOR TO STARTING PRIOR TO STARTING PRIOR TO STARTING TO STARTING TO STARTING STARTING STARTING WORK AND CONDUCT OPERATIONS IN SUCH A MANNER AS TO ENSURE AND CONDUCT OPERATIONS IN SUCH A MANNER AS TO ENSURE AND CONDUCT OPERATIONS IN SUCH A MANNER AS TO ENSURE CONDUCT OPERATIONS IN SUCH A MANNER AS TO ENSURE CONDUCT OPERATIONS IN SUCH A MANNER AS TO ENSURE OPERATIONS IN SUCH A MANNER AS TO ENSURE OPERATIONS IN SUCH A MANNER AS TO ENSURE IN SUCH A MANNER AS TO ENSURE IN SUCH A MANNER AS TO ENSURE SUCH A MANNER AS TO ENSURE SUCH A MANNER AS TO ENSURE A MANNER AS TO ENSURE A MANNER AS TO ENSURE MANNER AS TO ENSURE MANNER AS TO ENSURE AS TO ENSURE AS TO ENSURE TO ENSURE TO ENSURE ENSURE ENSURE THAT THOSE UTILITIES NOT REQUIRING RELOCATION WILL NOT BE THOSE UTILITIES NOT REQUIRING RELOCATION WILL NOT BE THOSE UTILITIES NOT REQUIRING RELOCATION WILL NOT BE UTILITIES NOT REQUIRING RELOCATION WILL NOT BE UTILITIES NOT REQUIRING RELOCATION WILL NOT BE NOT REQUIRING RELOCATION WILL NOT BE NOT REQUIRING RELOCATION WILL NOT BE REQUIRING RELOCATION WILL NOT BE REQUIRING RELOCATION WILL NOT BE RELOCATION WILL NOT BE RELOCATION WILL NOT BE WILL NOT BE WILL NOT BE NOT BE NOT BE BE BE DISTURBED. MDNR WILL CLOSE ROAD TRAFFIC DURING THE DURATION OF WILL CLOSE ROAD TRAFFIC DURING THE DURATION OF WILL CLOSE ROAD TRAFFIC DURING THE DURATION OF CLOSE ROAD TRAFFIC DURING THE DURATION OF CLOSE ROAD TRAFFIC DURING THE DURATION OF ROAD TRAFFIC DURING THE DURATION OF ROAD TRAFFIC DURING THE DURATION OF TRAFFIC DURING THE DURATION OF TRAFFIC DURING THE DURATION OF DURING THE DURATION OF DURING THE DURATION OF THE DURATION OF THE DURATION OF DURATION OF DURATION OF OF OF CONSTRUCTION. PLAN ELEVATIONS REFER TO NAVD 83 DATUM. WATER LEVEL IS SUBJECT TO CHANGE. MAKE A DETERMINATION OF LEVEL IS SUBJECT TO CHANGE. MAKE A DETERMINATION OF LEVEL IS SUBJECT TO CHANGE. MAKE A DETERMINATION OF IS SUBJECT TO CHANGE. MAKE A DETERMINATION OF IS SUBJECT TO CHANGE. MAKE A DETERMINATION OF SUBJECT TO CHANGE. MAKE A DETERMINATION OF SUBJECT TO CHANGE. MAKE A DETERMINATION OF TO CHANGE. MAKE A DETERMINATION OF TO CHANGE. MAKE A DETERMINATION OF CHANGE. MAKE A DETERMINATION OF CHANGE. MAKE A DETERMINATION OF MAKE A DETERMINATION OF MAKE A DETERMINATION OF A DETERMINATION OF A DETERMINATION OF DETERMINATION OF DETERMINATION OF OF OF WATER LEVELS THAT MAY EXIST DURING CONSTRUCTION. IMPLEMENT MEASURES TO PREVENT DEBRIS FROM FALLING FROM THE MEASURES TO PREVENT DEBRIS FROM FALLING FROM THE MEASURES TO PREVENT DEBRIS FROM FALLING FROM THE TO PREVENT DEBRIS FROM FALLING FROM THE TO PREVENT DEBRIS FROM FALLING FROM THE PREVENT DEBRIS FROM FALLING FROM THE PREVENT DEBRIS FROM FALLING FROM THE DEBRIS FROM FALLING FROM THE DEBRIS FROM FALLING FROM THE FROM FALLING FROM THE FROM FALLING FROM THE FALLING FROM THE FALLING FROM THE FROM THE FROM THE THE THE STRUCTURE. IF DEBRIS FALLS INTO THE WATERWAY, REMOVE IT IF DEBRIS FALLS INTO THE WATERWAY, REMOVE IT IF DEBRIS FALLS INTO THE WATERWAY, REMOVE IT IF DEBRIS FALLS INTO THE WATERWAY, REMOVE IT DEBRIS FALLS INTO THE WATERWAY, REMOVE IT DEBRIS FALLS INTO THE WATERWAY, REMOVE IT FALLS INTO THE WATERWAY, REMOVE IT FALLS INTO THE WATERWAY, REMOVE IT INTO THE WATERWAY, REMOVE IT INTO THE WATERWAY, REMOVE IT THE WATERWAY, REMOVE IT THE WATERWAY, REMOVE IT WATERWAY, REMOVE IT WATERWAY, REMOVE IT REMOVE IT REMOVE IT IT IT WITHIN 24 HOURS. SINCE DISTURBANCE OF THE WATERWAY BOTTOM 24 HOURS. SINCE DISTURBANCE OF THE WATERWAY BOTTOM 24 HOURS. SINCE DISTURBANCE OF THE WATERWAY BOTTOM HOURS. SINCE DISTURBANCE OF THE WATERWAY BOTTOM HOURS. SINCE DISTURBANCE OF THE WATERWAY BOTTOM SINCE DISTURBANCE OF THE WATERWAY BOTTOM SINCE DISTURBANCE OF THE WATERWAY BOTTOM SINCE DISTURBANCE OF THE WATERWAY BOTTOM DISTURBANCE OF THE WATERWAY BOTTOM DISTURBANCE OF THE WATERWAY BOTTOM OF THE WATERWAY BOTTOM OF THE WATERWAY BOTTOM THE WATERWAY BOTTOM THE WATERWAY BOTTOM WATERWAY BOTTOM WATERWAY BOTTOM BOTTOM BOTTOM MAY BE AS HARMFUL AS THE DEBRIS ITSELF, THE PREVENTATIVE BE AS HARMFUL AS THE DEBRIS ITSELF, THE PREVENTATIVE BE AS HARMFUL AS THE DEBRIS ITSELF, THE PREVENTATIVE AS HARMFUL AS THE DEBRIS ITSELF, THE PREVENTATIVE AS HARMFUL AS THE DEBRIS ITSELF, THE PREVENTATIVE HARMFUL AS THE DEBRIS ITSELF, THE PREVENTATIVE HARMFUL AS THE DEBRIS ITSELF, THE PREVENTATIVE AS THE DEBRIS ITSELF, THE PREVENTATIVE AS THE DEBRIS ITSELF, THE PREVENTATIVE THE DEBRIS ITSELF, THE PREVENTATIVE THE DEBRIS ITSELF, THE PREVENTATIVE DEBRIS ITSELF, THE PREVENTATIVE DEBRIS ITSELF, THE PREVENTATIVE ITSELF, THE PREVENTATIVE ITSELF, THE PREVENTATIVE THE PREVENTATIVE THE PREVENTATIVE PREVENTATIVE PREVENTATIVE MEASURES MUST BE EFFECTIVE. REMOVAL OF DEBRIS IS INCLUDED MUST BE EFFECTIVE. REMOVAL OF DEBRIS IS INCLUDED MUST BE EFFECTIVE. REMOVAL OF DEBRIS IS INCLUDED BE EFFECTIVE. REMOVAL OF DEBRIS IS INCLUDED BE EFFECTIVE. REMOVAL OF DEBRIS IS INCLUDED EFFECTIVE. REMOVAL OF DEBRIS IS INCLUDED EFFECTIVE. REMOVAL OF DEBRIS IS INCLUDED REMOVAL OF DEBRIS IS INCLUDED REMOVAL OF DEBRIS IS INCLUDED REMOVAL OF DEBRIS IS INCLUDED OF DEBRIS IS INCLUDED OF DEBRIS IS INCLUDED DEBRIS IS INCLUDED DEBRIS IS INCLUDED IS INCLUDED IS INCLUDED INCLUDED INCLUDED IN RELATED ITEMS OF WORK. IMMEDIATELY AFTER THE CONSTRUCTION OF AN ABUTMENT IS AFTER THE CONSTRUCTION OF AN ABUTMENT IS AFTER THE CONSTRUCTION OF AN ABUTMENT IS THE CONSTRUCTION OF AN ABUTMENT IS THE CONSTRUCTION OF AN ABUTMENT IS CONSTRUCTION OF AN ABUTMENT IS CONSTRUCTION OF AN ABUTMENT IS OF AN ABUTMENT IS OF AN ABUTMENT IS AN ABUTMENT IS AN ABUTMENT IS ABUTMENT IS ABUTMENT IS IS IS COMPLETED, PLACE SLOPE PROTECTION AND SEEDING OR SODDING ON PLACE SLOPE PROTECTION AND SEEDING OR SODDING ON PLACE SLOPE PROTECTION AND SEEDING OR SODDING ON SLOPE PROTECTION AND SEEDING OR SODDING ON SLOPE PROTECTION AND SEEDING OR SODDING ON PROTECTION AND SEEDING OR SODDING ON PROTECTION AND SEEDING OR SODDING ON AND SEEDING OR SODDING ON AND SEEDING OR SODDING ON SEEDING OR SODDING ON SEEDING OR SODDING ON OR SODDING ON OR SODDING ON SODDING ON SODDING ON ON ON THE ADJACENT EMBANKMENT SLOPES.
AutoCAD SHX Text
NOTES:
AutoCAD SHX Text
EX BRIDGE AND TEMP BRIDGE TO BE REMOVED
AutoCAD SHX Text
%%UEXISTING STRUCTURES
AutoCAD SHX Text THE EXISTING STRUCTURE IS A RAILCAR FRAME WITH TRANSVERSE WOOD DECK WITH THE STEEL FRAME BEARING ON THE GRADE AT BOTH ENDS OF THE BRIDGE. THE RAILCAR BRIDGE HAS BEEN OVERLAID WITH A STEEL MULTI-BEAM TEMPORARY BRIDGE WITH WOOD DECK AND STEEL TUBE RAILINGS. THE STEEL MULTI-BEAM TEMPORARY BRIDGE WILL BE REMOVED BY THE MDNR PRIOR TO CONSTRUCTION. THE DATE OF CONSTRUCTION OF THE EXISTING BRIDGE IS UNKNOWN.
AutoCAD SHX Text
SITE PLAN
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PROFILE
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HORIZ: 1" = 20' VERT: 1" = 4'
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EX GROUND EL AT CONST
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PROP GROUND GRADE AT CONST
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OBS WTR SFC EL = 1174.72 (09/11/2025)
AutoCAD SHX Text 100-yr WTR SFC EL = 1177.34
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EXISTING GROUND
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EDGE OF WATER
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EDGE OF WATER
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EX BRIDGE TO BE REMOVED
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WETLAND BOUNDARY
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WETLAND BOUNDARY
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RIPRAP, PLAIN ON GEOTEXTILE LINER, TYP
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REF PT A
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REF PT B
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CULV, SEGMENTAL PRECAST CONC BOX, 44 FOOT BY 8 FOOT, SPECIAL
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REF LINE A STA 1+24.87
AutoCAD SHX Text 47.0'
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REF LINE B STA 1+71.87
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B/CULV BEDDING EL: 1168.00
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B/CULV EL: 1169.00
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CULV IE EL: 1170.50
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B/PROP STREAM EL: 1172.50±
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PROP GRAVEL SURFACE
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SSL (TYP)
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SSL (TYP)
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STREAMBED FILL
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CULV, BEDDING, BOX CULV
CLEARING LIMIT (TYP)
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AutoCAD SHX Text NOTES: 1. BLOW COUNTS DENOTE NUMBER OF BLOWS BLOW COUNTS DENOTE NUMBER OF BLOWS REQUIRED TO DRIVE A 2" O.D. SPLIT SPOON SAMPLER THROUGH 3 SUCCESSIVE 6-INCH INCREMENTS USING A 140# HAMMER FALLING 30 INCHES. WHERE THE SAMPLER IS DRIVEN DISTANCES OTHER THAN 6 INCH INCREMENTS, THE NUMBER OF BLOWS AND THE DISTANCE ARE SHOWN IN THE FORM OF A FRACTION. 2. CONSISTENCY WAS DETERMINED BY CONSISTENCY WAS DETERMINED BY INSPECTION OF SAMPLES AND SUBSTANTIATED BY SOILS RESISTANCE TO DRILLING TOOLS. 3. THE SOIL BORING LOGS REPRESENT POINT THE SOIL BORING LOGS REPRESENT POINT INFORMATION. PRESENTATION OF THIS INFORMATION IN NO WAY INFERS THAT SUBSURFACE CONDITIONS ARE THE SAME AT LOCATIONS OTHER THAN EXACT LOCATION OF THE BORINGS. 4. LOCATION OF SOIL BORINGS ARE ALSO LOCATION OF SOIL BORINGS ARE ALSO SHOWN ON THE GENERAL PLAN OF SITE SHEET. 5. WATER LEVELS MAY BE INFLUENCED BY WATER LEVELS MAY BE INFLUENCED BY RESIDUAL BORING WATER.
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B/CULV EL: 1169.00
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CULV IE EL: 1170.50
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B/PROP STREAM EL: 1172.50±
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AutoCAD SHX Text
SB#1
AutoCAD SHX Text
SB#2
AutoCAD SHX Text
STATE FOREST RD
AutoCAD SHX Text
MARSH CREEK
AutoCAD SHX Text
FLOW
AutoCAD SHX Text
PLAN
AutoCAD SHX Text
ELEVATION
AutoCAD SHX Text
OBS WTR SFC EL = 1174.72 (09/11/2025)
AutoCAD SHX Text
EXISTING GROUND
AutoCAD SHX Text
EDGE OF WATER
AutoCAD SHX Text
EDGE OF WATER
AutoCAD SHX Text
WETLAND BOUNDARY
AutoCAD SHX Text
WETLAND BOUNDARY
AutoCAD SHX Text JOB BENCHMARK #200 COTTON SPINDLE IN THE EAST FACE OF 16" RED OAK ON THE WEST SIDE OF TRAIL +/- 740' NORTH OF CENTERLINE OF MARSH CREEK ELEV 1183.24
AutoCAD SHX Text JOB BENCHMARK #201 COTTON SPINDLE IN WEST FACE OF 9" PINE +/- 100' NORTH OF CENTERLINE OF MARSH CREEK ON EAST SIDE OF TRAIL ELEV 1177.03
AutoCAD SHX Text JOB BENCHMARK #202 COTTON SPINDLE IN WEST FACE OF 6" PINE +/- 75' SOUTH OF CENTERLINE OF MARSH CREEK ON THE EAST SIDE OF TRAIL ELEV 1178.50
AutoCAD SHX Text
TRAVERSE POINT #102 N 390355.31 E 19681581.38 ELEV 1177.20
AutoCAD SHX Text
TRAVERSE POINT #101 N 390801.66 E 19681559.93 ELEV 1177.21
AutoCAD SHX Text
TRAVERSE POINT #100 N 391467.88 E 19681619.11 ELEV 1183.82
AutoCAD SHX Text
2'-0" RIPRAP, PLAIN ON GEOTEXTILE LINER, TYP
AutoCAD SHX Text
REF PT A STA 1+24.87 N 390572.472 E 19681571.607
AutoCAD SHX Text
REF PT B STA 1+71.87 N 390619.471 E 19681571.311
AutoCAD SHX Text
REF LINE A
AutoCAD SHX Text
REF LINE B
AutoCAD SHX Text 90°
AutoCAD SHX Text 100-yr WTR SFC EL = 1177.34
AutoCAD SHX Text
B/CULV BEDDING EL: 1168.00
AutoCAD SHX Text
B/CULV EL: 1169.00
AutoCAD SHX Text
CULV IE EL: 1170.50
AutoCAD SHX Text
B/PROP STREAM EL: 1172.50±
AutoCAD SHX Text 47'-0"
AutoCAD SHX Text
REF LINE A STA 1+24.87
AutoCAD SHX Text
REF LINE B STA 1+71.87
AutoCAD SHX Text
SECTION - CULVERT
AutoCAD SHX Text
CULV IE UP AND DOWN STREAM EL: 1170.50
AutoCAD SHX Text
B/PROP STREAM EL: 1172.50±
AutoCAD SHX Text
B/CULV BEDDING EL: 1168.00
AutoCAD SHX Text
B/CULV EL: 1169.00
AutoCAD SHX Text
OBS WTR SFC EL = 1174.72 (09/11/2025)
AutoCAD SHX Text 100-yr WTR SFC EL = 1177.34
AutoCAD SHX Text
14'-0" CLR
AutoCAD SHX Text
PROP GUARDRAIL OVER BOX OR SLAB CULVERTS, MODIFIED, TYP
AutoCAD SHX Text
20'-0" CLR
AutoCAD SHX Text 24'-0"
AutoCAD SHX Text
FLOW
AutoCAD SHX Text
2'-0" RIPRAP, PLAIN ON GEOTEXTILE LINER
AutoCAD SHX Text
10'-0" TYP
AutoCAD SHX Text 11'-7"
AutoCAD SHX Text 10'-0"
AutoCAD SHX Text
10'-0" TYP
AutoCAD SHX Text 13'-9"
AutoCAD SHX Text
SSL (TYP)
AutoCAD SHX Text
SSL (TYP)
AutoCAD SHX Text
STREAMBED FILL
AutoCAD SHX Text
CULV, BEDDING, BOX CULV
AutoCAD SHX Text
3'-0" MIN TYP
AutoCAD SHX Text 5'-0"
AutoCAD SHX Text
14'-0" CLEAR
AutoCAD SHX Text 5'-0"
AutoCAD SHX Text
135° TYP UNO
AutoCAD SHX Text 100°
AutoCAD SHX Text 10'-0"
AutoCAD SHX Text 25'-0"
AutoCAD SHX Text
STREAMBED FILL
AutoCAD SHX Text
CULV, BEDDING, BOX CULV
AutoCAD SHX Text
4'-0" TYP 3 QUADS
AutoCAD SHX Text 8'-0"
AutoCAD SHX Text
T/WALL EL: 1182.50
AutoCAD SHX Text
T/WALL EL: 1182.50
AutoCAD SHX Text
T/WALL EL: 1182.50
AutoCAD SHX Text
T/WALL EL: 1177.00
AutoCAD SHX Text
T/WALL EL: 1175.00 (3 QUADS)
AutoCAD SHX Text
LOW CORD EL: 1178.50
AutoCAD SHX Text
CULV, SEGMENTAL PRECAST CONC BOX, 44 FOOT BY 8 FOOT, SPECIAL
AutoCAD SHX Text
CULV, SEGMENTAL PRECAST CONC BOX, 44 FOOT BY 8 FOOT, SPECIAL
AutoCAD SHX Text
EXISTING
AutoCAD SHX Text
PROPOSED
AutoCAD SHX Text
FLOOD DATA
AutoCAD SHX Text
DISCHARGE (CFS)
AutoCAD SHX Text
WATER SURFACE ELEV AT U/S FACE OF STRUCTURE
AutoCAD SHX Text
VELOCIIY IN D/S CHANNEL IN (FPS)
AutoCAD SHX Text
WATER SURFACE ELEVATON AT U/S FACE OF STRUCTURE
AutoCAD SHX Text
VELOCITY IN D/S CHANNEL N (FPS)
AutoCAD SHX Text
WATERWAY AREA (SFT) AT D/S FACE
AutoCAD SHX Text
CHANGE IN WS EL 0 FT UPS OF PROPOSED STRUCTURE
AutoCAD SHX Text
50—YEARYEAR
AutoCAD SHX Text
AutoCAD SHX Text 1177.08
AutoCAD SHX Text 2.01
AutoCAD SHX Text 1177.06
AutoCAD SHX Text 1.52
AutoCAD SHX Text 189.64
AutoCAD SHX Text -0.02
AutoCAD SHX Text
100—YEARYEAR
AutoCAD SHX Text
AutoCAD SHX Text 1177.35
AutoCAD SHX Text 1.97
AutoCAD SHX Text 1177.34
AutoCAD SHX Text 1.66
AutoCAD SHX Text 189.64
AutoCAD SHX Text -0.01
AutoCAD SHX Text
THE PROPOSED BRIDGE AREA BELOW LOW CHORD IS 189.64 SQUARE FT
AutoCAD SHX Text NARRATIVE Marsh Creek at ORV Trail, Section 13, T23N, R1W, Richfield Township, Roscommon County, has a total drainage area of 9.2 square miles and a contributing drainage area of 8.9 square miles. The 50%, 20%, 10%, 4%, 2%, 1%, 0.5%, and 0.2% chance peak flood discharges are estimated to be 10 cubic feet per second (cfs), 25 cfs, 50 cfs, 110 cfs, 180 cfs, 280 cfs, 390 cfs, and 600 cfs, respectively. (Watershed No. 02 Au Sable).
AutoCAD SHX Text THE WATER SURFACE AND/OR ENERGY GRADE ELEVATIONS SHOWN ON THE ABOVE HYDRAULIC TABLE ARE TO BE USED FOR COMPARISON PURPOSES ONLY AND ARE NOT TO BE USED FOR ESTABLISHING A REGULATORY FLOODPLAIN. THE ELEVATIONS MAY BE USED, PROVIDED THEY ARE VERIFIED WITH THE LAND AND WATER MANAGEMENT DIVISION, MICHIGAN DEPARTMENT OF ENVIRONMENT, GREAT LAKES, AND ENERGY.
AutoCAD SHX Text
EL 1176 MIN
AutoCAD SHX Text
EL 1176 MIN
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EL 1176 MIN
AutoCAD SHX Text
EL 1176 MIN
NOTES 1. THE DESIGN OF THIS STRUCTURE IS BASED ON 1.2 THE DESIGN OF THIS STRUCTURE IS BASED ON 1.2 TIMES THE CURRENT AASHTO LRFD BRIDGE DESIGN SPECIFICATION HL-93 LOADING WITH THE EXCEPTION THAT THE DESIGN TANDEM PORTION OF THE HL-93 LOAD DEFINITION IS REPLACED BY A SINGLE 60 KIP AXLE LOAD BEFORE APPLICATION OF THIS 1.2 FACTOR. THE RESULTING LOAD IS DESIGNATED HL-93 MOD. LIVE LOAD PLUS DYNAMIC LOAD ALLOWANCE DEFLECTION DOES NOT EXCEED 1/800 OF SPAN LENGTH. 2. EXCEPT WHERE OTHERWISE INDICATED ON THESE EXCEPT WHERE OTHERWISE INDICATED ON THESE PLANS, OR IN THE PROPOSAL AND SUPPLEMENTAL SPECIFICATIONS CONTAINED HEREIN, PERFORM ALL WORK ACCORDING TO THE MICHIGAN DEPARTMENT OF TRANSPORTATION 2020 STANDARD SPECIFICATIONS FOR CONSTRUCTION. 3. BEVEL ALL EXPOSED CONCRETE CORNERS SHOWN BEVEL ALL EXPOSED CONCRETE CORNERS SHOWN SQUARE ON THE PLANS WITH ½” TRIANGULAR TRIANGULAR MOLDINGS EXCEPT AS OTHERWISE NOTED. 4. OLD PLANS DO NOT EXIST FOR THIS STRUCTURE. OLD PLANS DO NOT EXIST FOR THIS STRUCTURE. 5. THE BRIDGE PAINT MAY CONTAIN LEAD. THE BRIDGE PAINT MAY CONTAIN LEAD. 6. UNLESS OTHERWISE SHOWN ON THE PLANS, PROVIDE UNLESS OTHERWISE SHOWN ON THE PLANS, PROVIDE MINIMUM CONCRETE CLEAR COVER FOR REINFORCEMENT ACCORDING TO THE FOLLOWING: CONCRETE CAST AGAINST EARTH: 3 IN. ALL OTHER UNLESS SHOWN ON PLANS: 2 IN. 7. WHEN CASTING ITEMS INTO STRUCTURAL PRECAST CONCRETE TO WHEN CASTING ITEMS INTO STRUCTURAL PRECAST CONCRETE TO FACILITATE CONSTRUCTION (FORMING, FINISHING, ETC.) USE ITEMS THAT ARE GALVANIZED IN ACCORDANCE WITH ASTM B633, SERVICE CONDITION 4 OR EPOXY COATED. CAST INSERTS WITH THE PRECAST ELEMENTS. DO NOT FIELD INSTALL INSERTS. 8. A COFFERDAM HAS NOT BEEN PROVIDED FOR THIS STRUCTURE. A COFFERDAM HAS NOT BEEN PROVIDED FOR THIS STRUCTURE. SUBMIT METHODS OF STREAM DIVERSION TO THE ENGINEER FOR APPROVAL. 9. CONTACT THE SOILS ENGINEER TO PERFORM A FOOTING CHECK AT CONTACT THE SOILS ENGINEER TO PERFORM A FOOTING CHECK AT LEAST 48 HOURS PRIOR TO EXCAVATING TO THE BOTTOM OF THE EXCAVATION.
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AutoCAD SHX Text
SB#1
AutoCAD SHX Text
SB#2
AutoCAD SHX Text
STATE FOREST RD
AutoCAD SHX Text
MARSH CREEK
AutoCAD SHX Text
FLOW
AutoCAD SHX Text
PLAN
AutoCAD SHX Text
ELEVATION
AutoCAD SHX Text
EXISTING GROUND
AutoCAD SHX Text JOB BENCHMARK #200 COTTON SPINDLE IN THE EAST FACE OF 16" RED OAK ON THE WEST SIDE OF TRAIL +/- 740' NORTH OF CENTERLINE OF MARSH CREEK ELEV 1183.24
AutoCAD SHX Text JOB BENCHMARK #201 COTTON SPINDLE IN WEST FACE OF 9" PINE +/- 100' NORTH OF CENTERLINE OF MARSH CREEK ON EAST SIDE OF TRAIL ELEV 1177.03
AutoCAD SHX Text JOB BENCHMARK #202 COTTON SPINDLE IN WEST FACE OF 6" PINE +/- 75' SOUTH OF CENTERLINE OF MARSH CREEK ON THE EAST SIDE OF TRAIL ELEV 1178.50
AutoCAD SHX Text
TRAVERSE POINT #102 N 390355.31 E 19681581.38 ELEV 1177.20
AutoCAD SHX Text
TRAVERSE POINT #101 N 390801.66 E 19681559.93 ELEV 1177.21
AutoCAD SHX Text
TRAVERSE POINT #100 N 391467.88 E 19681619.11 ELEV 1183.82
AutoCAD SHX Text
SSL (TYP)
AutoCAD SHX Text
SSL (TYP)
AutoCAD SHX Text GUARDRAIL APPROACH TERMINAL, TYPE 2M, MODIFIED (INCLUDES 28.1' HEIGHT TRANSITION)
AutoCAD SHX Text GUARDRAIL APPROACH TERMINAL, TYPE 2M, MODIFIED (INCLUDES 28.1' HEIGHT TRANSITION)
AutoCAD SHX Text
GUARDRAIL APPROACH TERMINAL, TYPE 2M, MODIFIED (INCLUDES 28.1' TRANSITION)
AutoCAD SHX Text GUARDRAIL APPROACH TERMINAL, TYPE 2M, MODIFIED (INCLUDES 28.1' HEIGHT TRANSITION)
AutoCAD SHX Text 62.5' GUARDRAIL, TYPE T, 96 INCH POST, MODIFIEDGUARDRAIL, TYPE T, 96 INCH POST, MODIFIED
AutoCAD SHX Text 62.5' GUARDRAIL, TYPE T, 96 INCH POST, MODIFIEDGUARDRAIL, TYPE T, 96 INCH POST, MODIFIED
AutoCAD SHX Text
PROPOSED PLAN GRADE
AutoCAD SHX Text 38 "34"
AutoCAD SHX Text 31"
AutoCAD SHX Text
INVERTED ASYMMETRICAL THRIE BEAM TRANSITION
AutoCAD SHX Text
INVERTED ASYMMETRICAL THRIE BEAM TRANSITION
AutoCAD SHX Text
7 EA GUARDRAIL POST, CULV
AutoCAD SHX Text
7 EA GUARDRAIL POST, CULV
AutoCAD SHX Text 31"
AutoCAD SHX Text 62.5' GUARDRAIL, TYPE T, 96 INCH POST, MODIFIEDGUARDRAIL, TYPE T, 96 INCH POST, MODIFIED
AutoCAD SHX Text
GUARDRAIL APPROACH TERMINAL, TYPE 2M, MODIFIED (INCLUDES 28.1' TRANSITION)
AutoCAD SHX Text
GUARDRAIL APPROACH TERMINAL, TYPE 2M, MODIFIED (INCLUDES 28.1' TRANSITION)
AutoCAD SHX Text
28.1' TRANSITION
AutoCAD SHX Text
28.1' TRANSITION
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7 EA GUARDRAIL POST, CULV
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28.1' HEIGHT TRANSITION
28.1' TRANSITION
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AutoCAD SHX Text
SB#1
AutoCAD SHX Text
SB#2
AutoCAD SHX Text
STATE FOREST RD
AutoCAD SHX Text
MARSH CREEK
AutoCAD SHX Text
FLOW
AutoCAD SHX Text
PLAN
AutoCAD SHX Text JOB BENCHMARK #200 COTTON SPINDLE IN THE EAST FACE OF 16" RED OAK ON THE WEST SIDE OF TRAIL +/- 740' NORTH OF CENTERLINE OF MARSH CREEK ELEV 1183.24
AutoCAD SHX Text JOB BENCHMARK #201 COTTON SPINDLE IN WEST FACE OF 9" PINE +/- 100' NORTH OF CENTERLINE OF MARSH CREEK ON EAST SIDE OF TRAIL ELEV 1177.03
AutoCAD SHX Text JOB BENCHMARK #202 COTTON SPINDLE IN WEST FACE OF 6" PINE +/- 75' SOUTH OF CENTERLINE OF MARSH CREEK ON THE EAST SIDE OF TRAIL ELEV 1178.50
AutoCAD SHX Text
TRAVERSE POINT #102 N 390355.31 E 19681581.38 ELEV 1177.20
AutoCAD SHX Text
TRAVERSE POINT #101 N 390801.66 E 19681559.93 ELEV 1177.21
AutoCAD SHX Text
TRAVERSE POINT #100 N 391467.88 E 19681619.11 ELEV 1183.82
AutoCAD SHX Text
SSL (TYP)
AutoCAD SHX Text
SSL (TYP)
AutoCAD SHX Text
AutoCAD SHX Text
AutoCAD SHX Text
AutoCAD SHX Text
SOIL EROSION AND SEDIMENTATION CONTROL ITEMS
AutoCAD SHX Text
(SEE STANDARD PLAN R-96-SERIES FOR DETAILS)
AutoCAD SHX Text
KEY NO
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NAME
AutoCAD SHX Text
PERMANENT/TEMPORARY SEEDING
AutoCAD SHX Text
RIPRAP
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SILT FENCE
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MULCH BLANKET
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TURBIDITY CURTAIN
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| Sheets and Views |
| 1 COVER |
| 2 LEGEND |
| 3 TYPICAL SECTIONS |
| 4 GENERAL PLAN OF SITE |
| 5 SOIL BORING LOGS |
| 6 GENERAL PLAN OF STRUCTURE |
| 7 GUARDRAIL PLAN |
| 8 GRADING PLAN |
File details come from the government source that posted it. Updated .