Bridge_Inspection_Rpt_3300-005P1650.pdf

BRIDGE INSPECTION REPORT

PIMMIT RUN BRIDGE

GWMP OVER PIMMIT RUN

GEORGE WASHINGTON MEMORIAL PARKWAY

LN

STRUCTURE NO. 3300-005P

INSPECTION TYPE: ROUTINE

INSPECTION DATE: 4/15/11

Federal Highway Administration

Report prepared by: WU

MILE POINT:

KILOMETER POINT:

4.51 7.26

Federal Lands Bridge Office Bridge Inspection and Management Program 21400 Ridgetop Circle Sterling, Virginia 20166 http://www.efl.fhwa.dot.gov/FLHBO/BIP

STRUCTURE SUMMARY STRUCTURE NO. 3300-005P

PIMMIT RUN BRIDGE INSPECTION DATE: 4/15/11

BRIDGE IDENTIFICATION AND DESCRIPTION

MAIN SPAN MATERIAL: ....... STEEL CONTINUOUS NO. OF MAIN SPANS:

MAIN SPAN TYPE: ............... GIRDER & FLOOR BEAM SYSTEM NO. OF APPR. SPANS:

# OF BEAMS, MAIN SPAN: .. 2 STRUCT. TOTAL LENGTH: .. 353.0 FT (107.6 M)

DECK TYPE: ......................... CONCRETE PRECAST PANELS MAX. SPAN LENGTH: .......... 131.0 FT (39.9 M)

WEARING SURFACE: .......... MODIFIED CONCRETE DECK WIDTH: ...................... 68.0 FT (20.7 M)

ABUT. FOUNDATIONS: ........ SPREAD FTG ON BEARING MAT'L CURB TO CURB WIDTH: ..... 62.5 FT (19.1 M)

PIER FOUNDATION(S): ........ SPREAD FTG ON BEARING MAT'L YEAR BUILT:

ABUTMENT / PIER MAT'L: ... CONCRETE YEAR RECONSTRUCTED: .. 1993

PROJ./PLAN REF. NO: ......... 1A8,10,35,44 / 1254 SKEW ANGLE: ..................... 0 °

NPS ROAD CLASS: .............. 7 - URBAN PARKWAY FRACTURE CRITICAL: ........ YES

STRUCTURE HISTORY: ...... 1982-PAINTED. 1993-NEW CONCRETE DECK PANELS. 1994-RAILING AND STRUCTURAL

STEEL REPAINTED. 2009-SCOUR REPAIRS AT NORTH PIER.

LOCATION

GEORGE WASHINGTON MEMORIAL PARKWAY MILE POINT: ..................... 4.51 (KM PT 7.26)

STATE: ................................. VIRGINIA LOCATION: 4.6 MILES SOUTH OF I-495.

FACILITY CARRIED: ............ GWMP

FEATURE INTERSECTED: .. PIMMIT RUN

STRUCTURE EVALUATION SUMMARY

This fracture-critical steel girder bridge is in fair condition overall. The main problems include moderate to severe deterioration of the abutment breastwalls, which should be repaired. In addition, failure of the expansion joint compression seals has led to leakage through the joints and subsequent rusting of the structural steel superstructure.

This is also exacerbated by the configuration of the deck drains, which channel water directly onto the floor beams, gusset plates, and lateral bracing members in several locations. The expansion joints should be resealed, the drainage downspouts should be extended below the superstructure, and the structural steel should be cleaned and spot painted as necessary.

In addition, moderate rusting of the top flange of isolated stringers is indicative of water intrusion through the deck panel construction joints. The modified concrete wearing surface should be sealed to prevent further intrusion and slow the rate of deterioration.

Further problems include moderate spalling of the wearing surface along the expansion joints, rusting of the bridge railings, and deterioration of the approach pavement along the abutment backwalls. Repairs should be made as outlined in this report to prevent the possible development of more serious or costly problems in the future.

It should be noted that the lane markings have been repainted since the last inspection.

INSPECTION TEAM: M.D. HARLAN, R.E. ESTES (CLARK NEXSEN)

CONDITION ASSESSMENT:

MATTHEW D. HARLAN, P.E., FIELD TEAM LEADER

REPORT REVIEW:

GARY J. GOODLIN, FIELD TEAM LEADER 703-404-6253

REPORT APPROVAL: DATE: 8/17/11

MARCUS MILLER, P.E., LEAD STRUCTURAL ENGINEER 703-404-6252

RECOMMENDATIONS AND ESTIMATED COSTS STRUCTURE NO. 3300-005P

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

B (Major) - Structure is seriously deficient or presents a safety hazard, but can remain in service 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. Preventative maintenance may be required.

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

C226 PRIORITY OF IMPROVEMENT

ITEM

NO.

MAINTENANCE RECOMMENDATIONS

(GENERALLY NOT FLHP ELIGIBLE)

QTY. UNIT COST

UNIT

ESTIMATE

COST

PRELIM.

58.7 EXTEND DECK DRAIN PIPES BELOW STRUCTURAL STEEL. 5 EA

58.2 REPLACE COMPRESSION SEAL AT BOTH EXPANSION JOINTS; RESEAL

LONGITUDINAL PORTION OF EXPANSION JOINTS.

141 LF

222.4 PATCH SPALLING OF APPROACH PAVEMENT ALONG ABUTMENT BACKWALLS. 50 SF

58.6 RESET OR REPLACE STONES IN MASONRY MEDIAN BARRIER. 1 CY

58.3 REPAIR WEARING SURFACE IN WEST SHOULDER OF SOUTHBOUND LANES

ALONG EXPANSION JOINTS AT BRIDGE ENDS.

8 SF

PRELIM. MAINTENANCE TOTAL :

ITEM

NO.

REHABILITATION/RECONSTRUCTION

(TYPICALLY NEEDED WITHIN 5 YEARS)

QTY. UNIT

UNIT

COST ESTIMATES

PRELIM. COST

REHAB. RECONSTR.

58.3 CLEAN AND SEAL MODIFIED CONCRETE WEARING SURFACE. 19,062 SF

58.6 CLEAN AND PAINT RAILINGS. 353 LF

60.1,3 REMOVE UNSOUND CONCRETE FROM ABUTMENT BREASTWALLS

AND BEARING SEATS, CLEAN REBAR, AND PLACE NEW CONCRETE

TO ORIGINAL DIMENSIONS.

200 SF

59.1,2,4,6,7 CLEAN AND SPOT PAINT STRUCTURAL STEEL UNDER DECK

DRAINS, AT ENDS OF STRUCTURE, AND AT ISOLATED LOCATIONS

ELSEWHERE AS NECESSARY.

1,500 SF

PRELIM. REHABILITATION/RECONSTRUCTION TOTAL :

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 preliminary planning purposes only; they should not be used as a complete or final engineers estimate.)

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

FIELD INSPECTION REPORT STRUCTURE NO. 3300-005P

G = GOOD (CODES 7 - 9) F = FAIR (CODES 5 - 6) P = POOR (CODES 0 - 4)

CONDITION RATING CODE EQUIVALENTS FOR SUB-ELEMENTS

SERIOUS CONDITION - loss of section, deterioration, spalling, or scour have seriously affected primary structural components. Local failures are possible.

Fatigue cracks in steel or shear cracks in concrete may be present.

CRITICAL CONDITION - advanced deterioration of primary structural elements. Fatigue cracks in steel or shear cracks in concrete may be present or scour may have removed substructure support. Unless closely monitored it may be necessary to close the structure until corrective action can be taken.

“IMMINENT” FAILURE CONDITION - major deterioration or section loss present in critical structural components or obvious vertical or horizontal movement affecting structure stability. Structure is closed to traffic but corrective action may return structure to light service.

FAILED CONDITION - out of service; beyond corrective action.

CONDITION RATING CODES FOR ITEMS 58 - 62, 222, 223

NOT APPLICABLE

EXCELLENT CONDITION

VERY GOOD CONDITION - no problems noted.

GOOD CONDITION - some minor problems.

SATISFACTORY CONDITION - structural elements show some minor deterioration.

FAIR CONDITION - all primary structural elements are sound but may have minor section loss, cracking, spalling, or scour.

POOR CONDITION - advanced section loss, deterioration, spalling, or scour.

N

58. DECK

ITEM REFERENCE AND REMARKS

OTHER

ALIGNMENT

DEFLECTION AND/OR VIBRATION

FASCIA(E)

DIAPHRAGMS AND BRACING

TRUSSES

FLOOR BEAMS AND STRINGERS

ARCH(ES) OR SLAB(S)

GIRDERS OR BEAMS

BEARING DEVICES

59. SUPERSTRUCTURE

OTHER

DEFLECTION AND/OR VIBRATION

UTILITIES

DRAINS AND DRAINAGE

PARAPETS AND/OR RAILINGS

CURBS, SIDEWALKS, AND MEDIAN

RIDEABILITY

WEARING SURFACE

EXPANSION JOINTS

DECK SLAB

ABUTMENTS

60. SUBSTRUCTURE

1.

10.

2.

3.

4.

5.

6.

7.

8.

9.

10.

9.

8.

7.

6.

5.

4.

3.

2.

1.

PAINT

11.

F F N F N F F N G

N G

F G G F F N

N

P

G

G

58.1 MINOR TRANSVERSE CRACKING OF DECK UNDERSIDE UNDER

MEDIAN AND UNDERSIDE OF OVERHANGS WITH EFFLORESCENCE.

POST-TENSIONING TENDONS EXPOSED ON DECK UNDERSIDE AT

PIERS. GROUT HAUNCHES BETWEEN DECK AND STRINGERS OR

GIRDERS INCOMPLETELY POURED AND BREAKING UP IN SEVERAL

LOCATIONS WITH WIDESPREAD SHRINKAGE CRACKING.

MODERATE DELAMINATION OF DECK UNDERSIDE AT SOUTH

ABUTMENT ADJACENT TO WEST GIRDER.

MINOR LONGITUDINAL CRACK (2'L) WITH EFFLORESCENCE ON

DECK UNDERSIDE UNDER MEDIAN, NORTH SPAN BETWEEN FLOOR

BEAMS #15 AND #16.

58.2 ACTIVE LEAKAGE AT TIME OF INSPECTION THROUGH EXPANSION

JOINTS. COMPRESSION SEAL AT SOUTH EXPANSION JOINT HAS

FAILED FOR APPROXIMATELY 27' (PREVIOUSLY 20') IN

NORTHBOUND LANES AND 25' IN SOUTHBOUND LANES.

COMPRESSION SEAL AT NORTH EXPANSION JOINT IS RECESSED

FOR 12' (PREVIOUSLY 5') IN NORTHBOUND LANES AND 16'

(PREVIOUSLY 6') IN SOUTHBOUND LANES. LONGITUDINAL PORTION

OF EXPANSION JOINTS SEALED SINCE LAST INSPECTION; SEALS

BEGINNING TO FAIL. MINOR ACCUMULATION OF DEBRIS IN BOTH

EXPANSION JOINTS.

58.3 MINOR TRANSVERSE CRACKING OF WEARING SURFACE IN SOME

LOCATIONS. MINOR SCALING WITH EXPOSED AGGREGATE

THROUGHOUT SOUTHBOUND LANES. WEARING SURFACE

BREAKING UP (UP TO 42"L X 1'W X 1"D) ALONG EXPANSION JOINTS

AT BOTH ENDS OF BRIDGE IN WEST SHOULDER OF SOUTHBOUND

LANES; MINOR CRACKING AT SOUTH END IN NORTHBOUND LANES.

LANE MARKINGS RESTRIPED SINCE LAST INSPECTION.

58.5 WIDESPREAD MINOR CRACKING OF CURBS.

BREASTWALLS OR COLUMNS1. F

PILE BENTS2. N

CAPS AND/OR BEARING SEATS3. F

BACKWALLS AND/OR BULKHEADS4. G

FOUNDATIONS5. N

WINGWALLS6. G

WEEP HOLES7. G

EXPANSION JOINTS8. N

EROSION AND/OR SCOUR9. G

SETTLEMENT OR DEFLECTION10. G

SLOPE PROTECTION11. G

OTHER (DRAINAGE TROUGHS) 12. F

PIER(S)

WALLS AND/OR COLUMNS 13. G

PILE BENTS14. N

CAPS AND/OR BEARING SEATS15. F

FOUNDATIONS16. (BURIED) N

EROSION AND/OR SCOUR17. G

SETTLEMENT OR DEFLECTION18. G

OTHER 19. N

ITEM REFERENCE AND REMARKS

STREAM BED COMPOSITION : 9.

AVERAGE CLEAR OPENING 8.

NORMAL VELOCITY 7.

ADEQUACY OF OPENING 6.

OTHER 5.

WATERWAY OBSTRUCTIONS 4.

CHANNEL PROTECTION3.

EROSION AND/OR SCOUR2.

ALIGNMENT1.

61. CHANNEL 7

G G G G N

MED

SUFF

65 FT.

SAND, GRAVEL

222. APPROACHES 6

OTHER 9.

ALIGNMENT 8.

SIGNS7.

SETTLEMENT 6.

EROSION5.

SURFACING4.

APPROACH GUARDRAIL 3.

2. RELIEF JOINTS

APPROACH SLABS1. N

N G F G G G G N

223. RETAINING WALL N

OTHER 6.

SETTLEMENT OR DEFLECTION5.

EROSION AND/OR SCOUR4.

FOUNDATION3.

WEEP HOLES2.

1. WALL

36. TRAFFIC AND SAFETY FEATURES

APPROACH GUARDRAIL ENDSD.

APPROACH GUARDRAILSC.

TRANSITIONSB.

BRIDGE RAILINGSA. 1

58.6 MINOR EFFLORESCENCE ON MASONRY MEDIAN BARRIER. ONE

STONE MISSING ON NORTHBOUND SIDE IN SOUTH SPAN, TWO

MISSING ON NORTHBOUND SIDE NEAR NORTH PIER, AND ONE

MISSING ON SOUTHBOUND SIDE IN SOUTH SPAN NEAR SOUTH

PIER.

MINOR TO MODERATE VEHICLE SCRAPES AND RUSTING OF

RAILINGS THROUGHOUT WITH SOME RUST SCALE. MOLD ON WEST

RAILING NEAR NORTH END. MODERATE VEGETATION GROWTH ON

EAST RAILING AT NORTH END.

58.7 MINOR ACCUMULATION OF GRAVEL IN SHOULDERS IN SOME

LOCATIONS NOT AFFECTING DRAINAGE.

CONFIGURATION OF DECK DRAINS AT FLOOR BEAMS #2, #8, #11,

#13, AND #15 CHANNEL WATER DIRECTLY ONTO GUSSET PLATES,

LATERAL BRACING MEMBERS, AND/OR FLOOR BEAMS;

ACCUMULATION OF DEBRIS ON GUSSET PLATES.

58.9, 59.9 MINOR VIBRATION FELT AT MEDIAN AT NORTH END OF STRUCTURE

UNDER LIVE LOAD. MINOR VIBRATION OF FLOOR BEAM #17 (AT

NORTH ABUTMENT) AND ADJACENT BRACING UNDER LIVE LOAD.

59, 60 WIDESPREAD GRAFFITI NEAR ENDS OF STRUCTURE AND ON

LOWER PORTION OF PIERS. NO UBIV ACCESS TO SOUTH SPAN

DUE TO OVERGROWTH OF TREES.

TRAFFIC SAFETY RATING CODES

N

Does not meet standards or a safety feature is required and none is provided.

Meets currently acceptable standards.

Not applicable or a safety feature is not required.

ADDITIONAL ITEM REFERENCE AND REMARKS

59.1,2,4,6,7 MINOR RUSTING THROUGHOUT STRUCTURAL STEEL (APPROXIMATELY 10%) WITH UP TO 1/8" DEEP PITTING PREDATING PAINT. MINOR TO MODERATE RUSTING OF BEARINGS AND ENDS OF GIRDERS AT ABUTMENTS;

RUST SCALE ON BEARINGS AND AT ISOLATED LOCATIONS ON GIRDER ENDS.

UP TO 1/2" PACK RUST BETWEEN GIRDER BOTTOM FLANGE COVER PLATES PREDATING PAINT, PRIMARILY OVER PIERS AND AT ISOLATED LOCATIONS ELSEWHERE. MODERATE SECTION LOSS ON GIRDER BOTTOM FLANGE, COVER PLATES, AND RIVET HEADS BEHIND BEARINGS AT ABUTMENTS PREDATING PAINT (3/8" SECTION REMAINING, 3/4" ORIGINAL SECTION). ONE RIVET TYPICALLY MISSING ON EXTERIOR SIDE OF GIRDERS IN UPPER ANGLE AT FLOOR BEAM CONNECTIONS. SMALL DRILLED HOLE IN MID-HEIGHT OF WEST GIRDER WEB AT

NORTH SIDE OF FLOOR BEAM #6 (SOUTH PIER).

BOTTOM FLANGE OF STRINGER #4 IN CENTER SPAN BETWEEN FLOOR BEAMS #8 AND #9 BENT DOWN APPROXIMATELY 1" FOR 3'L. MODERATE RUSTING OF TOP FLANGE OF STRINGER #4 IN CENTER AND NORTH SPANS OVER FLOOR BEAMS #9, #10, AND #15. MODERATE RUSTING OF STRINGERS AT NORTH ABUTMENT, END

UP TO 15'.

UP TO 1/16" PACK RUST BETWEEN FLOOR BEAM BOTTOM FLANGE COVER PLATES AT DRAIN LOCATIONS PREDATING PAINT. MODERATE SECTION LOSS ON NORTH SIDE OF BOTTOM FLANGE (1/2" SECTION REMAINING, 3/4" ORIGINAL SECTION) AND BOTTOM 4" OF WEB OF FLOOR BEAM #17 WITH UP TO 100% SECTION LOSS ON

RIVET HEADS AND STIFFENERS PREDATING PAINT.

MODERATE RUSTING OF GUSSET PLATES, LATERAL BRACING MEMBERS, AND/OR FLOOR BEAM FLANGES AT FLOOR BEAMS #2, #8, #11, AND #14 (ALL DRAIN LOCATIONS EXCEPT FLOOR BEAM #14); SEVERE SECTION LOSS ON NUTS AND BOLTS AT FLOOR BEAM #2. LONGITUDINAL BRACE IN SOUTH SPAN BETWEEN FLOOR BEAMS #3 AND #4 BENT DOWN APPROXIMATELY 6"; GUSSET PLATES AT FLOOR BEAMS #3 AND #4 DISTORTED AS A

RESULT.

60.1 WIDESPREAD MODERATE TO SEVERE DELAMINATION AND SPALLING OF ABUTMENT BREASTWALLS WITH UP TO

50% (20% PREVIOUSLY) SECTION LOSS ON EXPOSED REBAR.

60.3 MINOR ACCUMULATION OF DEBRIS ON ABUTMENT BEARING SEATS. SEVERE SPALLING OF FLUME CONCRETE ON TOP OF ABUTMENT BREASTWALLS IN SEVERAL LOCATIONS WITH WIDESPREAD MINOR DETERIORATION.

MODERATE DETERIORATION OF GROUT AROUND WEST BEARING AT SOUTH ABUTMENT. VEGETATION

GROWING ON TOP OF NORTH ABUTMENT BREASTWALL NEAR WEST GIRDER.

60.4 MINOR CRACKING OF ABUTMENT BACKWALLS WITH EFFLORESCENCE. MINOR SCALING AND EDGE SPALLING

ON TOP OF BACKWALLS.

60.6 MINOR VERTICAL CRACKING OF WINGWALLS WITH EFFLORESCENCE. MINOR VEGETATION GROWTH ON NORTHEAST WINGWALL. MINOR SPALL WITH EXPOSED REBAR ON NORTH FACE OF SOUTHWEST WINGWALL.

60.9,11 EROSION TRENCHES AT ABUTMENT SLOPES BELOW DECK DRAINS LINED WITH RIPRAP; MINOR EROSION

REMAINS.

60.12 ACCUMULATION OF DEBRIS IN CONCRETE DRAINAGE TROUGHS AT ABUTMENTS. MINOR SCALING AND COVER SPALLING OF TROUGHS. MODERATE SPALL (3'L X 8"H X FULL DEPTH) WITH EXPOSED REBAR AT TOP OF

TROUGH AT SOUTH ABUTMENT.

60.13 MINOR EFFLORESCENCE ON SOUTH SIDE OF SOUTH PIER STEM AND ON NORTH PIER STEM AT TOP. MODERATE

VEGETATION GROWTH ON NORTH PIER.

ADDITIONAL ITEM REFERENCE AND REMARKS

60.15 WIDESPREAD MINOR CRACKING OF PIER CAPS. MINOR DELAMINATION OF NORTH FACE OF SOUTH PIER CAP.

MINOR RUST SPOT ON SOUTH PIER CAP UNDERSIDE AT WEST END. MINOR DELAMINATION AND SPALLING WITH EXPOSED REBAR AND EFFLORESCENCE ON SOUTH FACE OF NORTH PIER CAP AT WEST END. MINOR

DELAMINATION WITH EFFLORESCENCE ON NORTH FACE OF NORTH PIER CAP AT WEST END.

MODERATE DETERIORATION OF GROUT AROUND BEARINGS AT SOUTH PIER.

61.3 RIPRAP CHANNEL BANK PROTECTION ALONG NORTH CHANNEL BANK FOR A SIGNIFICANT LENGTH UPSTREAM

AND DOWNSTREAM OF STRUCTURE.

222.3 WEATHERING STEEL APPROACH GUARDRAILS IN MEDIAN IN GOOD CONDITION.

222.4 MINOR CRACKING AND MODERATE SPALLING OF APPROACH PAVEMENT, PRIMARILY ALONG BACK OF

BACKWALLS; ISOLATED AREAS OF ASPHALT PATCHING.

222.7 "PIMMIT RUN" SIGNS AT EAST SIDE OF SOUTH APPROACH AND WEST SIDE OF NORTH APPROACH.

36.B,D MASONRY APPROACH PARAPETS NOT ATTACHED TO BRIDGE RAILINGS. END TREATMENTS DO NOT MEET

CURRENT AASHTO SPECIFICATIONS.

STRUCTURE LOAD RATING STRUCTURE NO. 3300-005P

TRUCK TYPE

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

TONS METRIC TONS TONS METRIC TONS

H 20 18 33 30

HS 34 31 56 51

TYPE 3 33 30 55 50

TYPE 3S2 37 34 62 56

TYPE 3-3 40 36 67 61

DESIGN LOADING: H20 (M18)

X CAPACITY MEETS OR EXCEEDS DESIGN LOAD

CAPACITY IS LESS THAN DESIGN LOAD

ORIGINAL LOAD RATING CALCULATION APPLICABLE

ORIGINAL LOAD RATING CALCULATION REVISED

DATE OF LOAD RATING CALCULATION:

LOAD RATING CONTROLLED BY:

REMARKS: RATING IS BASED ON DESIGN LOAD OF STRUCTURE.

STRUCTURE INVENTORY AND APPRAISAL STRUCTURE NO. 3300-005P

STRUCTURE IDENTIFICATION

(201) PARK: GEORGE WASHINGTON MEMORIAL PARKWAY

(202) STRUCTURE NAME: .......... PIMMIT RUN BRIDGE

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

(204) STRUCTURE NUMBER: ..... 3300-005P

(205) NPS REGION: .................... 2 - NATIONAL CAPITAL

(206) ROUTE CODE NUMBER: ... 1

(207) ROAD SECTION NO: .......... 005P

(208) NPS ROAD CLASS: ............ 7 - URBAN PARKWAY

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

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

(211) PROJECT NO(S): ................ 1A8,10,35,44

(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) HISTORICAL DESIGNATION: ..

513 - VIRGINIA (VA)

059 - FAIRFAX

161000010

PIMMIT RUN

GWMP

3300005P0000000

4.6 MILES SOUTH OF I-495.

99.99 FT (99.99 M)

4.51 (KM PT 7.26)

3 - FREE ROAD

5 - NOT ELIGIBLE

STRUCTURE DESCRIPTION, FOUNDATION, AND DECK TYPE

(43A) MAIN STR. MATERIAL: ..

(43B) MAIN STR. TYPE:

(45) NO. OF MAIN SPANS:

(48) MAX. SPAN LENGTH:

(49) STRUCTURE LENGTH:

(216A) ABUTMENT #1 FDN:

(216B) ABUTMENT #2 FDN:

(217A) PREDOM. PIER FDN.: ..

(217B) SECOND. PIER FDN: ...

(107) DECK TYPE:

4 - STEEL CONTINUOUS

03 - GIRDER & FLOOR BEAM SYSTEM

131.0 FT (39.9 M)

353.0 FT (107.6 M)

2 - SPREAD FTG ON BEARING MAT'L

2 - SPREAD FTG ON BEARING MAT'L

2 - SPREAD FTG ON BEARING MAT'L

2 - SPREAD FTG ON BEARING MAT'L

2 - CONCRETE PRECAST PANELS

(44A) APPR. STR. MATERIAL: ........ 0 - OTHER

(44B) APPR. STR. TYPE: ................ 00 - OTHER

(46) NO. OF APPROACH SPANS: .. 0

(108) WEAR SURFACE/PROTECT SYSTEM:

A) TYPE WEARING SURFACE: .. 3 - MODIFIED CONCRETE

B) TYPE MEMBRANE: ................. 0 - NONE

C) TYPE PROTECTION: .............. 0 - NONE

(218) IS SALT USED?: ..................... YES

LOAD RATING AND POSTING

(31) DESIGN LOAD: ................. 4 - H20 (M18) (41) LOAD RESTRICTION: ......... A - OPEN, NO RESTRICTION

(66) INVENTORY RATING: ...... 34.0 TONS (31.0 METRIC TONS) (70) BRIDGE POSTING: .............. 5 - NO POSTING REQUIRED

(64) OPERATING RATING: ...... 56.0 TONS (50.8 METRIC TONS)

INSPECTION DATES

(90) INSPECTION DATE: 4/11 (91) FREQ. OF INSP: 24 MONTHS (92 / 93) CRITICAL FEATURE INSPECTION (CFI):

(219) ADD. STUDIES NEEDED: N - 0 - NONE (A) FRACTURE CRITICAL: ... YES

INSP. EVERY: 24 MONTHS - LAST INSP. : 4/11 (220) SPECIAL STUDY TYPE: 0 - NONE

(B) UNDERWATER: .............. NO

(221) SPECIAL STUDY DATE: INSP. EVERY: MONTHS - LAST INSP. :

(C) SPECIAL INSPECTION: .. NO

INSP. EVERY: MONTHS - LAST INSP. :

o

STRUCTURE INVENTORY AND APPRAISAL STRUCTURE NO. 3300-005P

GEOMETRY, TRAFFIC, AND NAVIGATIONAL DATA

(16) LATITUDE: ............................. 38°55'55.00"

(17) LONGITUDE: ......................... 77°07'26.80"

(19) DETOUR LENGTH: ............... 9 MI (14 KM)

(28A) LANES ON STRUCT:

(28B) LANES UNDER STRUCT: ... 00

(42A) SERVICE ON: ..................... 5 - HIGHWAY-PEDESTRIAN

(42B) SERVICE UNDER: .............. 5 - WATERWAY

(29) AVG. DAILY TRAFFIC:

(30) YEAR OF ADT:

(114) FUTURE ADT:

(115) YEAR OF FUTURE ADT:

(101) PARALLEL STRUCTURE: ... N - NONE

(38) NAVIGATION CONTROL?: ... 0

(39) VERTICAL CLEARANCE: ...... 0.0 FT (0.0 M)

(40) HORIZ. CLEARANCE: ........... 0.0 FT (0.0 M)

(111) ABUT. OR PIER PROT:

LATERAL UNDERCLEARANCE:

(55) RIGHT: ....................... 0.0 FT (0.0 M)

(56) LEFT: ......................... 0.0 FT (0.0 M)

(51) CURB TO CURB WIDTH: ........... 62.5 FT (19.1 M)

(52) DECK WIDTH: ............................ 68.0 FT (20.7 M)

(32) APPR. ROADWAY WIDTH: ........ 54.0 FT (16.5 M)

(213) APPR. PAVEMENT WIDTH: ..... 54.0 FT (16.5 M)

LEFT SHOULDER: .................. 0.0 FT (0.0 M)

RIGHT SHOULDER: ................ 0.0 FT (0.0 M)

(33) BRIDGE MEDIAN: ....................... 3 - CLOSED MEDIAN (non-moun

(34) SKEW ANGLE: ............................ 0 °

(35) DECK FLARE?: ........................... NO

(47) TOTAL HORIZ. CLEARANCE: .... 31.2 FT (9.5 M)

(50) SIDEWALKS:

LEFT : ...................................... 0.0 FT (0.0 M)

RIGHT : ................................... 0.0 FT (0.0 M)

(214) BRIDGE RAIL TYPE:

RAIL CONFIGURATION: ......... 1 - FULL HEIGHT (NO PARAPE

MATERIAL: .............................. 4 - STEEL

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

(215) BRIDGE RAIL HEIGHT: ............ 3.67 FT (1.12 M)

(53) MIN. VRT. CLEAR. OVER DECK: 99.99 FT (99.99 M)

(54) MIN. VRT. UNDERCLEARANCE: 0.00 FT (0.00 M)

CONDITION AND APPRAISAL DATA, PROPOSED IMPROVEMENTS, AND COST

(58) DECK:

(59) SUPERSTRUCTURE:

(60) SUBSTRUCTURE:

(61) CHANNEL:

(62) CULVERT: ........................... N

(222) APPROACHES:

(223) RETAINING WALL: ........... N

(36) TRAFFIC SAFETY FEAT: ... 1010

(75A) TYPE OF WORK: .............. 35 - GENERAL REHAB

(75B) WORK DONE BY: ............. 1 - CONTRACT

(76) IMPROVEMENT LENGTH: .. 353.0 FT (107.6 M)

(67) STRUCTURAL EVALUATION:

(68) DECK GEOMETRY:

(69) UNDERCLEARANCES:

(71) WATERWAY ADEQUACY:

(72) APPROACH ALIGNMENT:

(113) SCOUR CRITICAL:

(225) PURPOSE OF IMPROVEMENT:

(226) PRIORITY OF IMPROVEMENT:

(227) MAINTENANCE COST:

(228) REHAB./RECONSTR. COST: ...

(229) CONSTRUCTION COST:

N

8 - Stable; scour above top of fo

2 - REHAB/RECONSTRUCTION

C - MODERATE

ADDITIONAL INFORMATION

(230) STRUCTURE HISTORY:

1982-PAINTED. 1993-NEW CONCRETE DECK PANELS. 1994-RAILING AND STRUCTURAL STEEL REPAINTED. 2009-SCOUR REPAIRS

AT NORTH PIER.

(231) ADDITIONAL CONSIDERATIONS:

(330) ADDITIONAL CONFIG. INFO.:

http:77�07'26.80 http:38�55'55.00

APPENDIX STRUCTURE NO. 3300-005P

PHOTOGRAPHS STRUCTURE NO. 3300-005P

PHOTO #1 - LOOKING SOUTHBOUND TOWARD MT. VERNON

FLOW

PHOTO #2 - EAST (DOWNSTREAM) SIDE

PHOTO #3 - GENERAL TOPSIDE VIEW

LOOKING NORTH, SOUTHBOUND LANES

PHOTO #4 - WEARING SURFACE BREAKING UP

ALONG NORTH EXPANSION JOINT IN WEST

SHOULDER OF SOUTHBOUND LANES

PHOTO #5 - FAILED COMPRESSION SEAL AT

SOUTH EXPANSION JOINT IN NORTHBOUND

LANES

PHOTO #6 - FAILED COMPRESSION SEAL AT

SOUTH EXPANSION JOINT IN SOUTHBOUND

LANES; ALSO NOTE TYPICAL CRACKING AND

SPALLING OF APPROACH PAVEMENT ALONG

BACK OF BACKWALLS

PHOTO #7 - TWO STONES MISSING ON NORTHBOUND SIDE OF MEDIAN

NEAR NORTH PIER

PHOTO #8 - TYPICAL RUSTING OF RAILINGS; WEST RAILING AT SOUTH

END SHOWN

PHOTO #9 - GENERAL UNDERSIDE VIEW LOOKING SOUTH, SOUTH

SPAN

PHOTO #10 - TYPICAL EXPOSED POST-TENSIONING TENDONS ON

DECK UNDERSIDE AT PIERS; BAY #6 IN NORTH SPAN AT NORTH PIER

SHOWN

PHOTO #11 - TYPICAL GROUT HAUNCH BETWEEN DECK AND GIRDER

INCOMPLETELY POURED; WEST GIRDER IN NORTH SPAN SHOWN

PHOTO #12 - TYPICAL GROUT HAUNCH BETWEEN DECK AND

STRINGER INCOMPLETELY POURED; STRINGER #6 NEAR FLOOR BEAM

#2 IN SOUTH SPAN SHOWN

PHOTO #13 - DELAMINATION OF DECK UNDERSIDE AT SOUTH

ABUTMENT ADJACENT TO WEST GIRDER; ALSO NOTE TYPICAL

RUSTING OF GIRDERS AT ABUTMENTS

PHOTO #14 - TYPICAL RUSTING THROUGHOUT STRUCTURAL STEEL;

WEST GIRDER IN NORTH SPAN SHOWN

PHOTO #15 - TYPICAL RUSTING OF BEARINGS; WEST BEARING AT

SOUTH ABUTMENT SHOWN; ALSO NOTE DETERIORATION OF GROUT

AROUND BEARING

PHOTO #16 - TYPICAL RUSTING OF GIRDERS AT ABUTMENTS; WEST

GIRDER AT SOUTH ABUTMENT SHOWN; ALSO NOTE TYPICAL SECTION

LOSS PREDATING PAINT

PHOTO #17 - TYPICAL PACK RUST BETWEEN GIRDER BOTTOM FLANGE

COVER PLATES PREDATING PAINT; WEST GIRDER IN CENTER SPAN

NEAR SOUTH PIER SHOWN

PHOTO #18 - TYPICAL PACK RUST BETWEEN GIRDER BOTTOM FLANGE

COVER PLATES PREDATING PAINT; EAST GIRDER IN CENTER SPAN

NEAR NORTH PIER SHOWN

PHOTO #19 - RUSTING OF STRINGER #4 IN CENTER SPAN OVER

FLOOR BEAM #10

PHOTO #20 - TYPICAL RUSTING OF STRINGERS AT NORTH ABUTMENT;

STRINGER #4 SHOWN

PHOTO #21 - BOTTOM FLANGE OF STRINGER #4 IN CENTER SPAN

BETWEEN FLOOR BEAMS #8 AND #9 BENT DOWN; ALSO NOTE DECK

DRAIN DIRECTLY ABOVE FLOOR BEAM

PHOTO #22 - TYPICAL CONDITION OF STRUCTURAL STEEL UNDER

DECK DRAINS; FLOOR BEAM #2 SHOWN

PHOTO #23 - RUSTING OF GUSSET PLATE, LATERAL BRACING, AND

FLOOR BEAM #11 UNDER DECK DRAIN (VIEW FROM BELOW)

PHOTO #24 - RUSTING OF GUSSET PLATE, LATERAL BRACING, AND

FLOOR BEAM #11 UNDER DECK DRAIN (VIEW FROM ABOVE)

PHOTO #25 - LONGITUDINAL BRACE IN SOUTH SPAN BETWEEN FLOOR

BEAMS #3 AND #4 BENT DOWN

PHOTO #26 - GENERAL VIEW OF SOUTH ABUTMENT

PHOTO #27 - TYPICAL DETERIORATION OF

ABUTMENT BREASTWALLS; WEST END OF

SOUTH ABUTMENT SHOWN

PHOTO #28 - TYPICAL DETERIORATION OF

ABUTMENT BREASTWALLS; EAST END OF

SOUTH ABUTMENT SHOWN

PHOTO #29 - TYPICAL DETERIORATION OF ABUTMENT BREASTWALLS;

CENTERLINE OF NORTH ABUTMENT SHOWN

PHOTO #30 - TYPICAL DETERIORATION OF FLUME CONCRETE ON TOP

OF ABUTMENT BREASTWALLS; WEST END OF SOUTH ABUTMENT

SHOWN

PHOTO #31 - GENERAL VIEW OF NORTH PIER,

SOUTH FACE; NOTE VEGETATION GROWTH

PHOTO #32 - DETERIORATION OF SOUTH

FACE OF NORTH PIER CAP AT WEST END

PHOTO #33 - LOOKING UPSTREAM THROUGH STRUCTURE, CENTER

SPAN

PHOTO #34 - LOOKING DOWNSTREAM THROUGH STRUCTURE,

CENTER SPAN