9830-007P - SANCTUARY RIVER BRIDGE - INSPECTION REPORT 2021.pdf
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- AK NPS DENA 10(49), Polychrome Area Improvements
- Solicitation number
- 69056722R000015
About this file
This bridge inspection report documents the condition of the Sanctuary River Bridge located in Denali National Park and Preserve in Alaska. The three-span steel bridge was built in 1956 and carries the Denali Park Road over the Sanctuary River. The 199-foot long structure is in overall fair condition with some deterioration noted, including spalling and cracking of the concrete deck and expansion joints. The structural steel superstructure shows signs of corrosion and paint peeling. The substructure of pile bents and abutments is in good condition aside from minor cracking at the east abutment. The report recommends rehabilitation or reconstruction of the bridge deck and expansion joints within the next few years to address the noted deficiencies.
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BRIDGE INSPECTION REPORT
SANCTUARY RIVER BRIDGE
DENALI PARK ROAD OVER SANCTUARY RIVER
DENALI NATIONAL PARK & PRESERVE
LOOKING BACK EAST TOWARD DENALI VISITOR CENTER
STRUCTURE NO. 9830-007P
INSPECTION TYPE: ROUTINE
INSPECTION DATE: 6/21/2021
SOUTH (UPSTREAM) PROFILE
Report prepared by:
Federal Highway Administration Federal Lands Bridge Office Bridge Inspection and Management Program 21400 Ridgetop Circle Sterling, Virginia 20166 https://bridge.flhd.fhwa.dot.gov
STRUCTURE LOAD RATING STRUCTURE NO. 9830-007P
SANCTUARY RIVER BRIDGE INSPECTION DATE: 06/20/2021
TRUCK TYPE
INVENTORY RATING (NORMAL TRAFFIC) OPERATING RATING (MAXIMUM LOAD)
TONS METRIC TONS TONS METRIC TONS
H 24 22 40 36
HS 30 27 51 46
TYPE 3 28 25 47 43
TYPE 3S2 39 35 66 60
TYPE 3-3 46 42 78 71
DESIGN LOADING: 3 - HS 15
X CAPACITY MEETS OR EXCEEDS DESIGN LOAD
CAPACITY IS LESS THAN DESIGN LOAD
ORIGINAL LOAD RATING CALCULATION APPLICABLE
X ORIGINAL LOAD RATING CALCULATION REVISED
DATE OF LOAD RATING CALCULATION: 05/23/2016
LOAD RATING CONTROLLED BY:
REMARKS: RATING IS BASED ON DESIGN LOAD OF STRUCTURE.
SEE BRIDGE FILE FOR LOAD RATING CALCULATIONS.
STRUCTURE INVENTORY AND APPRAISAL STRUCTURE NO. 9830-007P
STRUCTURE IDENTIFICATION
(201) PARK: DENALI NATIONAL PARK & PRESERVE
(202) STRUCTURE NAME:..............SANCTUARY RIVER BRIDGE
(203) STRUCTURE KIND:............... 1 - BRIDGE
(204) STRUCTURE NUMBER:.........9830-007 P
7 - ALASKA(205) NPS REGION:
(206) ROUTE CODE NUMBER:
(207) ROAD SECTION NO:
(208) NPS ROAD CLASS:............... 1 - PRINCIPAL PARK ROAD
(209) WITHIN NPS BNDRY?:.......... Yes
(210) OPERATING UNIT:.................PARK
(211) PROJECT NO(S):................... UNKNOWN
(212) DRAWING NUMBERS:
(21) MAINTAINED BY:......................66 - NATIONAL PARK SERVICE
(22) OWNER:................................... 66 - NATIONAL PARK SERVICE
(1) STATE:
(2) STATE HWY. AGENCY DIST:
(3) COUNTY CODE:
(4) CITY / PLACE CODE:
(5) INVENTORY ROUTE:
(6) FEATURES INTERSECTED:
(7) FACILITY CARRIED:
(8) STATE STRUCTURE NO:
(9) LOCATION:
(10) INV. RTE. - MIN. VERT. CLR:
(11) MILE POINT:
(27) YEAR BUILT:
(106) YEAR RECONSTRUCTED:
(20) TOLL:
(37) HISTORIC DESIGNATION:
020 - ALASKA
02290 YUKON-KOYUKUK
00000
1 6 1 00000 0
SANCTUARY RIVER
DENALI PARK ROAD
9830007P0000000
22.96 MILES WEST OF AK ROUTE 3
(MILE POST 237.3) ON DENALI PARK
ROAD.
99.99 FT ( 99.99 M)
22.96 (KM PT: 7 )
3 - ON FREE ROAD
5 - NOT ELIGIBLE
STRUCTURE DESCRIPTION, FOUNDATION, AND DECK TYPE
(43A) MAIN STR. MATERIAL:..........3 - STEEL
(43B) MAIN STR. TYPE:.................. 02 - STRINGER/MULTI-BEAM OR
GIRDER
(45) NO. OF MAIN SPANS:
(48) MAX. SPAN LENGTH:..............65 FT ( 19.8 M)
(49) STRUCTURE LENGTH:........... 199. FT ( 60.7 M)
(216A) ABUTMENT #1 FDN:........... 4 - PILE BENT
(216B) ABUTMENT #2 FDN:........... 4 - PILE BENT
(217A) PREDOM. PIER FDN:.......... 4 - PILE BENT
(217B) SECOND. PIER FDN:.......... 4 - PILE BENT
(107) DECK TYPE:.......................... 1 - CONCRETE CAST-IN-PLACE
(44A) APPR. STR. MATERIAL:............ 0 - Other
(44B) APPR. STR. TYPE:.................... 00 - OTHER
(46) NO OF APPROACH SPANS:
(108) WEAR SURFACE/PROTECT SYSTEM:
A) TYPE WEARING SURFACE:.. 1 - MONOLITHIC CONCRETE
(CONCURRENTLY PLACED WITH
STRUCTURAL DECK)
B) TYPE MEMBRANE:................. 0 - NONE
C) TYPE PROTECTION:.............. 0 - NONE
(218) IS SALT USED?.......................... NO
LOAD RATING AND POSTING
(31) DESIGN LOAD:.........................3 - HS 15 (41) LOAD RESTRICTION:.................. A - OPEN
(66) INVENTORY RATING:..............27 TONS ( 24.5 METRIC TONS) (70) BRIDGE POSTING:...................... 5 - EQUAL TO OR ABOVE LEGAL
LOADS
(64) OPERATING RATING:..............45.1 TONS ( 40.9 METRIC TONS)
INSPECTION DATES
(90) INSPECTION DATE: 06/21/2021 (91) FREQ. OF INSP: 24 MONTHS (92 / 93) CRITICAL FEATURE INSPECTION (CFI):
(219) ADD. STUDIES NEEDED: N - 0 - NONE (A) FRACTURE CRITICAL:.......... N
(220) SPECIAL STUDY TYPE: 5 - SCOUR INSP. EVERY MONTHS - LAST INSP:
(221) SPECIAL STUDY DATE: 09/01/1998 (B) UNDERWATER:..................... N
INSP. EVERY MONTHS - LAST INSP:
(C) SPECIAL INSPECTION:........ N
INSP. EVERY MONTHS - LAST INSP:
STRUCTURE INVENTORY AND APPRAISAL STRUCTURE NO. 9830-007P
GEOMETRY, TRAFFIC, AND NAVIGATIONAL DATA
(16) LATITUDE:................................ 63° 43'22 80" (51) CURB TO CURB WIDTH:............ 24.0 FT ( 7.3 M)
(17) LONGITUDE:............................149°28 '26 20" (52) DECK WIDTH:.......................... 28.5 FT ( 8.7 M)
(19) DETOUR LENGTH:.................. 199 MI ( 199 KM) (32) APPR. ROADWAY WIDTH:...... 30.0 FT ( 9.1 M)
(28A) LANES ON STRUCT:.............02 (213) APPR. PAVEMENT WIDTH:... 24.0 FT ( 7.3 M)
(28B) LANES UNDER STRUCT:......00 LEFT SHOULDER:............... 3 0 FT ( 0.9 M)
(42A) SERVICE ON:.........................1 - HIGHWAY RIGHT SHOULDER:.......... 3 0 FT ( 0.9 M)
(42B) SERVICE UNDER:................. 5 - WATERWAY (33) BRIDGE MEDIAN:.................... 0 - NO MEDIAN
(29) AVG DAILY TRAFFIC:..............1300 (34) SKEW ANGLE:......................... 30 °
(30) YEAR OF ADT:......................... 2013 (35) STRUCTURE FLARED:............ 0 - NO FLARE
(114) FUTURE ADT:.........................1560 (47) TOTAL HORIZ. CLEARANCE:.. 24 FT ( 7.3 M)
(115) YEAR OF FUTURE ADT:........2033 (50) SIDEWALKS
(101) PARALLEL STRUCTURE:......N - NO PARALLEL STRUCTURE LEFT:.................................... 2 3 FT ( 0.7 M)
(38) NAVIGATION CONTROL:.........0 - NO NAVIGATION CONTROL ON RIGHT:.................................. 2 3 FT ( 0.7 M)
WATERWAY (BRIDGE PERMIT NOT
REQUIRED)
(39) VERTICAL CLEARANCE:.........0 FT ( 0 M) (214) BRIDGE RAIL TYPE
1 - FULL HEIGHT (NO PARAPET)(40) HORIZ. CLEARANCE:..............0 FT ( 0 M) RAIL CONFIGURATION:
(111) ABUT OR PIER PROT:........... MATERIAL:........................... 3 - CONCRETE/STEEL
LATERAL UNDERCLEARANCE: DESIGN TYPE:..................... 1 - CONTINUOUS RAIL
(55) RIGHT:...............................00 FT ( 0 M) (215) BRIDGE RAIL HEIGHT:.......... 2 25 FT ( 0.69 M)
(56) LEFT:................................ 0 FT ( 0 M) (53) MIN. VRT. CLR. OVER DECK: 99.99 FT ( 99.99 M)
(54) MIN. VRT. UNDRCLRANCE:... .00 FT ( 0 M)
CONDITION AND APPRAISAL DATA, PROPOSED IMPROVEMENTS, AND COST
(58) DECK:....................................... 6 (67) STRUCTURAL EVALUATION:
(59) SUPERSTRUCTURE:...............6 (68) DECK GEOMETRY:
(60) SUBSTRUCTURE:.......... 7 (69) UNDERCLEARANCES:................ N
(61) CHANNEL:................................7 (71) WATERWAY ADEQUACY:
(62) CULVERT:.................................N (72) APPROACH ALIGNMENT:
(222) APPROACHES:...................... 6 (113) SCOUR CRITICAL:.................... 5 - SCOUR WITHIN LIMITS OF
FOOTING OR PILES
(223) RETAINING WALL:.................N (225) PROPOSE OF IMPROVEMENT: 2 - REHAB/RECONSTRUCTION
(36) TRAFFIC SAFETY FEAT: 0 N N N (226) PRIORITY OF IMPROVEMENT: D - MINOR
(75A) TYPE OF WORK:
(75B) WORK DONE BY:.................. (
(76) IMPROVEMENT LENGTH:....... FT ( 0 M)
ADDITIONAL INFORMATION
(230) STRUCTURE HISTORY:
5/08, 5/12, & 5/18 -SNOOPER INSPECTION.
(231) ADDITIONAL CONSIDERATIONS:
CALCIUM CHLORIDE IS USED ON BRIDGE APPROACHES.
(330) ADDITIONAL CONFIGURATION INFORMATION:
SPAN #1 & #3 - LENGTH 64.7', SPAN #2 - LENGTH 65.2'
Inspector: Jordan Hensley Structure Number: 9830007P0000000
Inpsection Date: 06/21/2021 Facility Carried: DENALI PARK ROAD
Bridge Inspection Report
Pictures
PHOTO 3
Description LOOKING WEST
PHOTO 4
Description NORTH (DOWNSTREAM) PROFILE
Bridge Inspection Report
Pictures
PHOTO 5
Description GENERAL TOPSIDE VIEW, LOOKING WEST
PHOTO 6
Description TYPICAL SPALLING ON THE TOP OF CONCRETE DECK, ABOVE WEST SPAN SHOWN
Bridge Inspection Report
Pictures
PHOTO 7
Description MINOR TRANSVERSE CRACKING OF DECK, EAST SPAN SHOWN
PHOTO 8
Description TYPICAL VIEW OF CURB AND RAIL, UPSTREAM SIDE SHOWN
Bridge Inspection Report
Pictures
PHOTO 9
Description GENERAL VIEW OF EXPANSION JOINT ABOVE EAST PIER; NOTE DAMAGE TO JOINT
PHOTO 10
Description CLOSE-UP OF DAMAGE TO EXPANSION JOINT ABOVE EAST ABUTMENT; NOTE, MISSING
JOINT FILLER AND SPALLING OF CONCRETE AROUND THE JOINT
Bridge Inspection Report
Pictures
PHOTO 11
Description GENERAL VIEW OF EXPANSION JOINT ABOVE WEST PIER; NOTE, DAMAGE TO JOINT
NEAR CENTER OF ROADWAY
PHOTO 12
Description CLOSE-UP OF DAMAGE TO EXPANSOIN JOINT ABOVE WEST PIER
Bridge Inspection Report
Pictures
PHOTO 13
Description TYPICAL PEELING OF PAINT AND RUSTING OF EXPOSED STEEL RAILING, DOWNSTREAM
RAILING SHOWN
PHOTO 14
Description TYPICAL SPALLING AROUND SCUPPERS, DOWNSTREAM SIDE NEAR MIDDLE SPAN
SHOWN
Bridge Inspection Report
Pictures
PHOTO 15
Description GENERAL UNDERSIDE VIEW OF SUPERSTRUCTURE, EAST SPAN LOOKING WEST
PHOTO 16
Description GENERAL UNDERSIDE VIEW OF SUPERSTRUCTURE, MIDDLE SPAN LOOKING EAST
Bridge Inspection Report
Pictures
PHOTO 17
Description GENERAL UNDERSIDE VIEW OF SUPERSTRUCTURE, WEST SPAN LOOKING EAST
PHOTO 18
Description GENERAL VIEW OF BOTTOM COVER PLATE, EAST SPAN LOOKING WEST
Bridge Inspection Report
Pictures
PHOTO 19
Description GENERAL UNDERSIDE VIEW OF DECK, MIDDLE BAY OF MIDDLE SPAN
PHOTO 20
Description MINOR PEELING OF PAINT AND RUSTING OF STRUCTURAL STEEL, UPSTREAM GIRDER
OF EAST SPAN SHOWN
Bridge Inspection Report
Pictures
PHOTO 21
Description GENERAL VIEW OF EAST ABUTMENT
PHOTO 22
Description DIAGONAL CRACKING WITH RUST STAINING FROM CORNERS OF ABUTMENT BEARING
SEAT, UPSTREAM CORNER OF EAST ABUTMENT SHOWN
Bridge Inspection Report
Pictures
PHOTO 23
Description GENERAL VIEW OF WEST ABUTMENT
PHOTO 24
Description TYPICAL BEARING ASSEMBLY, DOWNSTREAM BEARING AT WEST ABUTMENT SHOWN
Bridge Inspection Report
Pictures
PHOTO 25
Description GENERAL VIEW OF EAST PIER LOOKING EAST
PHOTO 26
Description GENERAL VIEW OF EAST PIER LOOKING WEST
Bridge Inspection Report
Pictures
PHOTO 27
Description LOOSE JOINT BACKER ROD AT EAST PIER
PHOTO 28
Description GENERAL VIEW OF WEST PIER LOOKING EAST
Bridge Inspection Report
Pictures
PHOTO 29
Description EROSION AT NORTH (DOWNSTREAM) WINGWALL AT WEST APPROACH
PHOTO 30
Description EAST APPROACH
Bridge Inspection Report
Pictures
PHOTO 31
Description WEST APPROACH
PHOTO 32
Description UPSTREAM CHANNEL
Bridge Inspection Report
Pictures
PHOTO 33
Description DOWNSTREAM CHANNEL
File details come from the government source that posted it. Updated .