Bridge Inspection Report 4290-026P.pdf

BRIDGE INSPECTION REPORT

ISTHMUS BRIDGE

COLONIAL PARKWAY OVER BACK RIVER

COLONIAL NATIONAL HISTORICAL PARK

LS

STRUCTURE NO. 4290-026P

INSPECTION TYPE: ROUTINE

INSPECTION DATE: 6/14/2023

EU

Report prepared by:

Federal Highway Administration MILE POINT: 22.37 FLH Office of Bridges and Structures Bridge Inspection Program 22001 Loudoun County Parkway, Building E2, Suite 200 Ashburn, VA 20147

KILOMETER POINT: 35.99

https://bridge.flhd.fhwa.dot.gov

STRUCTURE SUMMARY STRUCTURE NO. 4290-026P

ISTHMUS BRIDGE INSPECTION DATE: 06/14/2023

of more serious or costly problems in the future.

Concrete repairs, superstructure re-painting, and cleaning and sealing of the joints are scheduled to be completed under Project COLO 1C14, 1D48, 1E15. Therefore, no recommendations or project costs are included for these elements.

RECOMMENDATIONS AND ESTIMATED COSTS STRUCTURE NO. 4290-026P

ISTHMUS BRIDGE INSPECTION DATE : 06/14/2023

226 PRIORITY OF IMPROVEMENT C

A (Critical) - Structure is closed, in immediate damage of collapse, or presents a critical safety danger.

B (Major) - Structure is seriously deficient or presents a safety hazard, but can remain open at reduced loads or with frequent inspections.

C (Moderate) - Structure is deficient, functionally obsolete, or requires substantial repairs to prevent a serious deficiency or unsafe condition.

D (Minor) - Structure is generally in good condition. Preventive maintenance may be required.

E (Special) - Structure is under construction or reconstruction.

Item No.

Maintenance Recommendations

(GENERALLY NOT FLHP ELIGIBLE)

QTY. UNIT UNIT

COST

PRELIM.

COST

ESTIMATE

60.6

REMOVE VINE GROWTH FROM WINGWALLS.

222.7

INSTALL OBJECT MARKER AT SOUTHWEST CORNER.

PRELIM. MAINTENANCE TOTAL :

Item No.

REHABILITATION/RECONSTRUCTION

(TYPICALLY NEEDED WITHIN 5 YEARS)

QTY. UNIT

UNIT

COST

PRELIM. COST ESTIMATES

REHAB RECONSTR

58.1 CLEAN AND SEAL DECK SURFACE.

222.4, 222.6

REPAVE APPROACHES.

58.8 REPAIR BROKEN AND SAGGING UTILITIES.

59.1 REPLACE MISSING BEARING ANCHOR BOLT

NUT.

CONTRACT COSTS FOR MOBILIZATION,

TRAFFIC CONTROL, AND CONTINGENCIES.

PRELIM. REHABILITATION/RECONSTRUCTION TOTAL :

RECOMMENDATIONS AND ESTIMATED COSTS STRUCTURE NO. 4290-026P

ISTHMUS BRIDGE INSPECTION DATE : 06/14/2023

226 PRIORITY OF IMPROVEMENT C

A (Critical) - Structure is closed, in immediate damage of collapse, or presents a critical safety danger.

B (Major) - Structure is seriously deficient or presents a safety hazard, but can remain open at reduced loads or with frequent inspections.

C (Moderate) - Structure is deficient, functionally obsolete, or requires substantial repairs to prevent a serious deficiency or unsafe condition.

D (Minor) - Structure is generally in good condition. Preventive maintenance may be required.

E (Special) - Structure is under construction or reconstruction.

COST ESTIMATE SUMMARY

PRELIM. MAINTENANCE TOTAL :

PRELIM. REHABILITATION TOTAL :

PRELIM. RECONSTRUCTION TOTAL : ..

TOTAL ITEMIZED COSTS:

PRELIMINARY ESTIMATE TOTAL * :

(*Includes typical contract costs for mobilization, traffic control and design/construction engineering: but does not include detour bridges, work beyond the bridge limits, or work not listed above. Estimates are approximate and are for planning purposes only; they should not be used as a complete or final engineers estimate.)

Remarks : Cost estimates assume that recommended actions will be combined with similar work being performed on other structures.

Concrete repairs, superstructure re-painting, and cleaning and sealing of the joints are scheduled to be completed under Project COLO 1C14, 1D48, 1E15. Therefore, no recommendations or project costs are included for these elements.

222.7 TYPE 3 OBJECT MARKERS AT ENDS OF APPROACH PARAPETS AT 3 OF 4 CORNERS; MISSING AT SOUTHWEST CORNER. MINOR DETERIORATION OF OBJECT MARKER REFLECTIVE PAINT AT SOUTHEAST CORNER. MINOR DAMAGE OF OBJECT MARKER AT

NORTHEAST CORNER.

MILE POST SIGN AT NORTHWEST CORNER DAMAGED.

"NO WAKE" SIGN ATTACHED TO MIDSPAN RAIL POST, EAST SIDE, MISSING.

SURVEY MARKER ON EAST CURB IN SOUTH APPROACH.

STRUCTURE LOAD RATING STRUCTURE NO. 4290-026P

TRUCK TYPE

INVENTORY RATING (NORMAL TRAFFIC) OPERATING RATING (MAXIMUM LOAD)

TONS METRIC TONS TONS METRIC TONS

H 16 15 27 24

HS 21 19 35 32

TYPE 3 19 17 32 29

TYPE 3S2 30 27 50 45

TYPE 3-3 36 33 60 54

DESIGN LOADING: 2 - H 15

X CAPACITY MEETS OR EXCEEDS DESIGN LOAD

CAPACITY IS LESS THAN DESIGN LOAD

X ORIGINAL LOAD RATING CALCULATION APPLICABLE

ORIGINAL LOAD RATING CALCULATION REVISED

DATE OF LOAD RATING CALCULATION: 08/23/2015

LOAD RATING CONTROLLED BY: INTERIOR GIRDER

REMARKS: SEE BRIDGE FILE FOR LOAD RATING CALCULATIONS.

STRUCTURE INVENTORY AND APPRAISAL STRUCTURE NO. 4290-026P

STRUCTURE IDENTIFICATION

(201) PARK: COLONIAL NATIONAL HISTORICAL PARK

(202) STRUCTURE NAME:..............ISTHMUS BRIDGE

(203) STRUCTURE KIND:............... 1 - BRIDGE

(204) STRUCTURE NUMBER:.........4290-026 P

3 - NORTHEAST(205) NPS REGION:

(206) ROUTE CODE NUMBER:

(207) ROAD SECTION NO:............. 026P

(208) NPS ROAD CLASS:............... 1 - PRINCIPAL PARK ROAD

(209) WITHIN NPS BNDRY?:.......... Yes

(210) OPERATING UNIT:.................PARK

(211) PROJECT NO(S):................... 1E5

(212) DRAWING NUMBERS:...........3004A

(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:

513 - VIRGINIA

51095 JAMES CITY

00000

1 6 1 00001 0

BACK RIVER

COLONIAL PARKWAY

4290026P0000000

7.6 MILES SOUTH OF VA ROUTE 199.

99.99 FT ( 99.99 M)

22.37 (KM PT: 35.99)

3 - ON FREE ROAD

5 - NOT ELIGIBLE

STRUCTURE DESCRIPTION, FOUNDATION, AND DECK TYPE

(43A) MAIN STR. MATERIAL:..........3 - STEEL (44A) APPR. STR. MATERIAL:............ 0 - Other

(43B) MAIN STR. TYPE:.................. 02 - STRINGER/MULTI-BEAM OR (44B) APPR. STR. TYPE:.................... 00 - OTHER

GIRDER

(45) NO. OF MAIN SPANS:..............001 (46) NO OF APPROACH SPANS:

(48) MAX. SPAN LENGTH:..............54.2 FT ( 16.5 M)

(49) STRUCTURE LENGTH:........... 54.2 FT ( 16.5 M) (108) WEAR SURFACE/PROTECT SYSTEM:

(216A) ABUTMENT #1 FDN:........... 3 - SPREAD FOOTING ON PILES A) TYPE WEARING SURFACE:.. 0 - NONE

(216B) ABUTMENT #2 FDN:........... 3 - SPREAD FOOTING ON PILES B) TYPE MEMBRANE:................. 0 - NONE

(217A) PREDOM. PIER FDN:.......... 6 - N/A C) TYPE PROTECTION:.............. 0 - NONE

(217B) SECOND. PIER FDN:.......... 6 - N/A (218) IS SALT USED?.......................... YES

(107) DECK TYPE:.......................... 1 - CONCRETE CAST-IN-PLACE

LOAD RATING AND POSTING

(31) DESIGN LOAD:.........................2 - H 15 (41) LOAD RESTRICTION:.................. A - OPEN

(66) INVENTORY RATING:..............21 TONS ( 19.1 METRIC TONS) (70) BRIDGE POSTING:...................... 5 - EQUAL TO OR ABOVE LEGAL

LOADS

(64) OPERATING RATING:..............35 TONS ( 31.8 METRIC TONS)

INSPECTION DATES

(90) INSPECTION DATE: 06/14/2023 (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: 0 - NONE INSP. EVERY MONTHS - LAST INSP:

(221) SPECIAL STUDY DATE: (B) UNDERWATER:..................... Y

INSP. EVERY 60 MONTHS - LAST INSP: 06/27/2023

(C) SPECIAL INSPECTION:........ N

INSP. EVERY MONTHS - LAST INSP:

STRUCTURE INVENTORY AND APPRAISAL STRUCTURE NO. 4290-026P

GEOMETRY, TRAFFIC, AND NAVIGATIONAL DATA

(16) LATITUDE:................................ 37° 12'52 30" (51) CURB TO CURB WIDTH:............ 24.0 FT ( 7.3 M)

(17) LONGITUDE:............................ 76°47 '59 80" (52) DECK WIDTH:.......................... 32.0 FT ( 9.8 M)

(19) DETOUR LENGTH:.................. 5 MI ( 8 KM) (32) APPR. ROADWAY WIDTH:...... 42.0 FT ( 12.8 M)

(28A) LANES ON STRUCT:.............02 (213) APPR. PAVEMENT WIDTH:... 22.0 FT ( 6.7 M)

(28B) LANES UNDER STRUCT:......00 LEFT SHOULDER:............... 10.0 FT ( 3 M)

(42A) SERVICE ON:.........................1 - HIGHWAY RIGHT SHOULDER:.......... 10.0 FT ( 3 M)

(42B) SERVICE UNDER:................. 5 - WATERWAY (33) BRIDGE MEDIAN:.................... 0 - NO MEDIAN

(29) AVG DAILY TRAFFIC:..............1319 (34) SKEW ANGLE:......................... 0 °

(30) YEAR OF ADT:......................... 2007 (35) STRUCTURE FLARED:............ 0 - NO FLARE

(114) FUTURE ADT:.........................1451 (47) TOTAL HORIZ. CLEARANCE:.. 24 FT ( 7.3 M)

(115) YEAR OF FUTURE ADT:........2027 (50) SIDEWALKS

(101) PARALLEL STRUCTURE:......N - NO PARALLEL STRUCTURE LEFT:.................................... 3 0 FT ( 0.9 M)

(38) NAVIGATION CONTROL:.........1 RIGHT:.................................. 3 0 FT ( 0.9 M)

(39) VERTICAL CLEARANCE:.........12 FT ( 3.7 M) (214) BRIDGE RAIL TYPE

(40) HORIZ. CLEARANCE:..............50 FT ( 15 2 M) RAIL CONFIGURATION:...... 1 - FULL HEIGHT (NO PARAPET)

(111) ABUT OR PIER PROT:...........1 - NAVIGATION PROTECTION NOT MATERIAL:........................... 1 - CONCRETE

REQUIRED

LATERAL UNDERCLEARANCE: DESIGN TYPE:..................... 1 - CONTINUOUS RAIL

(55) RIGHT:...............................00 FT ( 0 M) (215) BRIDGE RAIL HEIGHT:.......... 2 50 FT ( 0.76 M)

(56) LEFT:................................ 0 FT ( 0 M) (53) MIN. VRT. CLR. OVER DECK: 99.99 FT ( 99.99 M)

(54) MIN. VRT. UNDRCLRANCE:... 0 00 FT ( 0 M)

CONDITION AND APPRAISAL DATA, PROPOSED IMPROVEMENTS, AND COST

(58) DECK:....................................... 6 (67) STRUCTURAL EVALUATION:

(59) SUPERSTRUCTURE:...............7 (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:.................... 7 - COUNTERMEASURES INSTALLED

TO CORRECT SCOUR PROBLEM

(223) RETAINING WALL:.................N (225) PURPOSE OF IMPROVEMENT: 2 - REHAB/RECONSTRUCTION

(36) TRAFFIC SAFETY FEAT: 1 N N N (226) PRIORITY OF IMPROVEMENT: C - MODERATE

(75A) TYPE OF WORK:................... (227) MAINTENANCE COST:

(75B) WORK DONE BY:.................. (228) REHAB / RECNSTR COST:

(76) IMPROVEMENT LENGTH:....... FT ( 0 M) (229) CONSTRUCTION COST:

ADDITIONAL INFORMATION

(230) STRUCTURE HISTORY:

1985-JOINT REPAIR. 2000-SUPERSTRUCTURE PAINTED. 201-SUPERSTRUCTURE CLEANED AND PAINTED, CONCRETE REPAIRS TO SUBSTRUCTURE AND FASCIA. 2015-RIPRAP PLACED AT UPSTREAM CHANNEL BANKS. 2019-NAVIGATION LIGHTS REPLACED.

(231) ADDITIONAL CONSIDERATIONS:

(330) ADDITIONAL CONFIGURATION INFORMATION:

Inspector: Nate Brown Structure Number: 4290026P0000000

Inspection Date: 06/14/2023 Facility Carried: COLONIAL PARKWAY

Bridge Inspection Report

Pictures

PHOTO 3

Description LOOKING NORTHBOUND TOWARD WILLIAMSBURG

PHOTO 4

Description WEST (DOWNSTREAM) SIDE; NOTE CHANNEL WIDER THAN STRUCTURE OPENING

Bridge Inspection Report

Pictures

PHOTO 5

Description GENERAL TOPSIDE VIEW LOOKING NORTH

PHOTO 6

Description DAMAGED OBJECT MARKER AT NORTHEAST CORNER

Bridge Inspection Report

Pictures

PHOTO 7

Description SETTLEMENT OF NORTH APPROACH ROADWAY, EAST SIDE; ALSO NOTE ASPHALT

PATCHING AND TYPICAL MAP CRACKING OF NORTH APPROACH PAVEMENT

PHOTO 8

Description TYPICAL MAP CRACKING OF DECK SURFACE; EAST SIDE OF DECK NEAR NORTH END

SHOWN; ALSO NOTE TYPICAL SCALING OF DECK SURFACE

Bridge Inspection Report

Pictures

PHOTO 9

Description TYPICAL DETERIORATION OF JOINT SEALS IN SIDEWALKS; EAST SIDEWALK OVER

NORTH ABUTMENT SHOWN; ALSO NOTE TYPICAL RUSTING OF UTILITY COVER PLATE

PHOTO 10

Description TRANSVERSE CRACKING OF DECK SURFACE NEAR MIDSPAN

Bridge Inspection Report

Pictures

PHOTO 11

Description TYPICAL CRACKING OF RAILINGS; EAST RAILING AT SOUTH APPROACH SHOWN

PHOTO 12

Description CRACK AT SOUTH END OF EAST SIDEWALK

Bridge Inspection Report

Pictures

PHOTO 13

Description TYPICAL VEGETATION GROWTH BETWEEN APPROACH PAVEMENT AND END OF DECK;

SOUTH APPROACH SHOWN; ALSO NOTE PAVEMENT BREAKING UP

PHOTO 14

Description SETTLEMENT OF SOUTH APPROACH ROADWAY, EAST SIDE

Bridge Inspection Report

Pictures

PHOTO 15

Description GENERAL UNDERSIDE VIEW LOOKING NORTH

PHOTO 16

Description PLASTIC CONDUIT ON EAST SIDE SAGGING AT NORTH ABUTMENT; ALSO NOTE TYPICAL

VEGETATION GROWTH ON WINGWALLS

Bridge Inspection Report

Pictures

PHOTO 17

Description SPALLS WITH EXPOSED REBAR ON NORTHWEST WINGWALL ADJACENT TO BREASTWALL

PHOTO 18

Description TYPICAL RUSTING OF BEARING DEVICES AND PITTING PREDATING PAINT; BEAM #2

BEARING AT NORTH ABUTMENT SHOWN

Bridge Inspection Report

Pictures

PHOTO 19

Description ANCHOR BOLT MISSING ON EAST SIDE OF BEAM #3 BEARING AT SOUTH ABUTMENT

PHOTO 20

Description TYPICAL HORIZONTAL CRACKING OF ABUTMENT BREASTWALLS; NORTH ABUTMENT

BELOW BEAMS #3 AND #4 SHOWN; ALSO NOTE DELAMINATION

Bridge Inspection Report

Pictures

PHOTO 21

Description TYPICAL DELAMINATION OF DECK UNDERSIDE; DECK BETWEEN BEAMS #1 AND #2 NEAR

NORTH ABUTMENT SHOWN

PHOTO 22

Description SAGGING UTILITY PIPE BETWEEN BEAMS #1 AND #2

Bridge Inspection Report

Pictures

PHOTO 23

Description TYPICAL RUSTING OF BOTTOM FLANGE OF BEAMS; BEAM #2 SHOWN

PHOTO 24

Description SPALL ON EAST FASCIA NEAR MIDSPAN

Bridge Inspection Report

Pictures

PHOTO 25

Description CRACKING AND DELAMINATION OF REPAIRS IN WEST FASCIA

PHOTO 26

Description TYPICAL HONEYCOMBING OF ABUTMENT BACKWALLS AROUND UTILITY PENETRATIONS

BETWEEN BEAMS #4 AND #5 AT ABUTMENTS; SOUTH ABUTMENT SHOWN

Bridge Inspection Report

Pictures

PHOTO 27

Description GENERAL VIEW OF SOUTH ABUTMENT

PHOTO 28

Description TYPICAL VEGETATION GROWTH ALONG WINGWALLS; SOUTHWEST WINGWALL SHOWN;

ALSO NOTE MISSING OBJECT MARKER

Bridge Inspection Report

Pictures

PHOTO 29

Description UPSTREAM CHANNEL

PHOTO 30

Description DOWNSTREAM CHANNEL