Report_4_Bridge_Inspection_White_Bridge.pdf

BRIDGE INSPECTION REPORT

WHITE BRIDGE

NPS ROUTE 10 OVER CRUM ELBOW CREEK

VANDERBILT MANSION NATIONAL HISTORIC SITE

LW

STRUCTURE NO. 1797-001P

INSPECTION TYPE: ROUTINE

INSPECTION DATE: 7/22/14

Report prepared by: SD

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

STRUCTURE SUMMARY STRUCTURE NO. 1797-001P

WHITE BRIDGE INSPECTION DATE: 7/22/14

BRIDGE IDENTIFICATION AND DESCRIPTION

MAIN SPAN MATERIAL: ....... CONCRETE NO. OF MAIN SPANS:

MAIN SPAN TYPE: ............... ARCH - DECK NO. OF APPR. SPANS:

# OF BEAMS, MAIN SPAN: .. 1 STRUCT. TOTAL LENGTH: .. 138.0 FT (42.1 M)

DECK TYPE: ......................... NOT APPLICABLE MAX. SPAN LENGTH: .......... 75.0 FT (22.9 M)

WEARING SURFACE: .......... NOT APPLICABLE DECK WIDTH: ...................... 21.7 FT (6.6 M)

ABUT. FOUNDATIONS: ........ SPREAD FTG ON BEARING MAT'L CURB TO CURB WIDTH: ..... 16.3 FT (5.0 M)

PIER FOUNDATION(S): ........ N/A YEAR BUILT: ........................ 1896 (EST.)

ABUTMENT / PIER MAT'L: ... CONCRETE YEAR RECONSTRUCTED: .. N/A

PROJ./PLAN REF. NO: ......... 10(2) / 000000 SKEW ANGLE: ..................... 0 °

NPS ROAD CLASS: .............. 1 - PRINCIPAL PARK ROAD FRACTURE CRITICAL: ........ NO

STRUCTURE HISTORY: ...... 1998-CONCRETE REPAIRS, INCLUDING WATERPROOF MEMBRANE TO BACK OF ARCH;

1999-WEARING SURFACE REPLACED; 2000-APPROACH PAVEMENT REPLACED;

LOCATION

VANDERBILT MANSION NATIONAL HISTORIC SITE MILE POINT: ..................... 0.10 (KM PT 0.16)

STATE: ................................. NEW YORK LOCATION: 0.4 MILES FROM VANDERBILT

MANSION FACILITY CARRIED: ............ NPS ROUTE 10

FEATURE INTERSECTED: .. CRUM ELBOW CREEK

STRUCTURE EVALUATION SUMMARY

This historic concrete arch bridge is currently in good structural condition, but has a few problems that persist and require attention. These include minor to moderate deterioration of patched areas of concrete on the curbs, railings, and wingwalls; and erosion at the end of the wingwalls.

Corrective measures should be taken as outlined in this report to prevent the possible development of more serious or costly problems in the future. Park personnel indicated that maintenance repairs were scheduled for the fall of 2014. Consideration should also be given to applying an aesthetic coating to enhance the appearance of the structure.

INSPECTION TEAM: M. REGER, J. BUCK

CONDITION ASSESSMENT:

MICHAEL REGER, P.E., FIELD TEAM LEADER 703-948-1424

REPORT REVIEW :

MARCUS MILLER, P.E., SENIOR INSPECTION ENGINEER 703-404-6252

REPORT APPROVAL: DATE: 11/25/14

JORGOMAI CEESAY, PH.D., P.E., BIP SUPERVISORY ENGINEER 703-404-6244

RECOMMENDATIONS AND ESTIMATED COSTS STRUCTURE NO. 1797-001P

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.

D226 PRIORITY OF IMPROVEMENT

ITEM

NO.

MAINTENANCE RECOMMENDATIONS

(GENERALLY NOT FLHP ELIGIBLE)

QTY. UNIT COST

UNIT

ESTIMATE

COST

PRELIM.

60.9, 222.5, 223.1,4

REPAIR EROSION AT END OF WINGWALLS. 1 LS

222.7 INSTALL OBJECT MARKERS AT EAST END OF WINGWALLS. 2 EA

PRELIM. MAINTENANCE TOTAL :

ITEM

NO.

REHABILITATION/RECONSTRUCTION

(TYPICALLY NEEDED WITHIN 5 YEARS)

QTY. UNIT

UNIT

COST ESTIMATES

PRELIM. COST

REHAB. RECONSTR.

58.5,6, 60.6 REPAIR SPALLED AND CRACKED AREAS OF CURBS, RAILINGS AND

WINGWALLS.

1 LS 0 0

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.

Consideration should be given to applying an aesthetic coating or staining the concrete to enhance the appearance of the structure.

FIELD INSPECTION REPORT STRUCTURE NO. 1797-001P

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.

N

N N G N N N N N F

F G

G G F F G G

N

N

N

N

58.3 MINOR TRANSVERSE CRACKING OF ASPHALT PAVEMENT.

58.5,6 WIDESPREAD CRACKING OF CURBS AND RAILINGS. MINOR

SPALLING OF PATCHED AREAS ON CURBS AND RAILINGS. SPALL

(15"X15"X4") ON TOP OF NORTH RAIL BLOCK #3 FROM WEST END.

SPALL (15" X 7") AT WEST END BLOCK, SOUTH RAIL. DELAMINATION

ON TOP OF RAILING AT SEVERAL LOCATIONS. SCALING OF SOUTH

RAIL NEAR EAST END AND AT OTHER ISOLATED LOCATIONS.

59.3,11 MINOR LONGITUDINAL CRACKING OF ARCH UNDERSIDE WITH

EFFLORESCENCE FROM SOME CRACKS; MOST CRACKS HAVE BEEN

SEALED. SPANDREL WALLS HAVE BEEN PATCHED; LARGER

CRACKS IN WALLS HAVE BEEN SEALED. MINOR TO MODERATE

EFFLORESCENCE FROM HAIRLINE CRACKS IN SPANDREL WALLS.

59.9 SLIGHT PERMANENT DEFLECTION OF ARCH AT MID-SPAN; PARAPET

AND RAIL JOINTS HAVE CLOSED ABOVE MID-SPAN (NOT OBSERVED

DURING THIS INSPECTION).

60.6 SEVERE VERTICAL CRACKS IN NORTHEAST WINGWALL AND

MODERATE CRACKS IN SOUTHEAST WINGWALL HAVE BEEN

SEALED, BUT CRACKS HAVE REOPENED. MODERATE CRACKING

OF LOWER PORTIONS OF ALL WINGWALLS WITH EFFLORESCENCE;

MINOR RANDOM CRACKING ALSO PRESENT. MODERATE

VEGETATION AND VINE GROWTH ON NORTH WINGWALLS.

60.9, 222.5 MODERATE EROSION AT ENDS OF NORTHEAST AND NORTHWEST

WINGWALLS. MINOR TO MODERATE EROSION AT END OF

SOUTHEAST AND SOUTHWEST WINGWALLS.

BREASTWALLS OR COLUMNS1. N

PILE BENTS2. N

CAPS AND/OR BEARING SEATS3. N

BACKWALLS AND/OR BULKHEADS4. N

FOUNDATIONS5. N

WINGWALLS6. F

WEEP HOLES7. N

EXPANSION JOINTS8. N

EROSION AND/OR SCOUR9. G

SETTLEMENT OR DEFLECTION10. G

SLOPE PROTECTION11. N

OTHER 12. N

PIER(S)

WALLS AND/OR COLUMNS 13. N

PILE BENTS14. N

CAPS AND/OR BEARING SEATS15. N

FOUNDATIONS16. N

EROSION AND/OR SCOUR17. N

SETTLEMENT OR DEFLECTION18. N

OTHER 19. N

FIELD INSPECTION REPORT STRUCTURE NO. 1797-001P

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 8

G G G G N

MED

SUFF

10 FT.

SILT

222. APPROACHES 7

OTHER 9.

ALIGNMENT 8.

SIGNS7.

SETTLEMENT 6.

EROSION5.

SURFACING4.

APPROACH GUARDRAIL 3.

2. RELIEF JOINTS

APPROACH SLABS1. N

N N G F G N G N

223. RETAINING WALL 8

OTHER 6.

SETTLEMENT OR DEFLECTION5.

EROSION AND/OR SCOUR4.

FOUNDATION3.

WEEP HOLES2.

1. WALL G

N N G G N

36. TRAFFIC AND SAFETY FEATURES

APPROACH GUARDRAIL ENDSD.

APPROACH GUARDRAILSC.

TRANSITIONSB.

BRIDGE RAILINGSA. 1

N N N

222.6 1/2" SETTLEMENT IN SOUTH WHEEL LINE NEAR EAST END OF

BRIDGE.

222.7 NO OBJECT MARKERS PRESENT AT EAST APPROACH (ONE WAY

TRAFFIC).

223.1,4,5 STONE MASONRY RETAINING WALLS AT BOTH ABUTMENTS HAVE

BEEN REPAIRED AND ADDITIONAL RIPRAP HAS BEEN PLACED IN

FRONT OF WALLS.

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.

STRUCTURE LOAD RATING STRUCTURE NO. 1797-001P

TRUCK TYPE

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

TONS METRIC TONS TONS METRIC TONS

H 20 18 33 30

HS 26 24 44 40

TYPE 3 25 23 42 38

TYPE 3S2 32 29 53 48

TYPE 3-3 38 34 63 57

DESIGN LOADING: UNKNOWN

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: 2/98

LOAD RATING CONTROLLED BY: LOAD CAPACITY OF ARCH

REMARKS: LOAD RATING W AS INCREASED BY ADDITION OF REINFORCED CONCRETE OVERLAY TO BACK OF ARCH

UNDER PROJECT PRA-VAMA 10(2). CALCULATED CAPACITY IS ADEQUATE FOR H20 LOADING.

STRUCTURE INVENTORY AND APPRAISAL STRUCTURE NO. 1797-001P

STRUCTURE IDENTIFICATION

(201) PARK: VANDERBILT MANSION NATIONAL HISTORIC SITE (1) STATE: ....................................... 362 - NEW YORK (NY)

(202) STRUCTURE NAME: .......... WHITE BRIDGE (2) STATE HWY. AGENCY DIST:

(203) STRUCTURE KIND: ............ 1 - BRIDGE (3) COUNTY CODE: ........................ 027 - DUTCHESS

(204) STRUCTURE NUMBER: ..... 1797-001P (4) CITY/PLACE CODE:

(205) NPS REGION: .................... 3 - NORTHEAST (5) INVENTORY ROUTE:

(206) ROUTE CODE NUMBER: ... 10 (6) FEATURES INTERSECTED:....... CRUM ELBOW CREEK

(207) ROAD SECTION NO: .......... 001P (7) FACILITY CARRIED: .................. NPS ROUTE 10

(208) NPS ROAD CLASS: ............ 1 - PRINCIPAL PARK ROAD (8) STATE STRUCTURE NO: .......... 1797001P0000000

(209) WITHIN NPS BNDRY?: ....... YES (9) LOCATION: ................................ 0.4 MILES FROM VANDERBIL

(210) OPERATING UNIT: ............. NONE (10) INV. RTE. - MIN. VERT. CLR: .. 99.99 FT (99.99 M)

(211) PROJECT NO(S): ................ 10(2) (11) MILE POINT: ............................. 0.10 (KM PT 0.16)

(212) DRAWING NUMBERS: ....... 000000 (27) YEAR BUILT:

(21) MAINTAINED BY: ................. 66 - NATIONAL PARK SERVICE (106) YEAR RECONSTRUCTED: .... N/A

(22) OWNER: ............................... 66 - NATIONAL PARK SERVICE (20) TOLL: ........................................ 3 - FREE ROAD

(37) HISTORICAL DESIGNATION: .. 2 - ELIGIBLE FOR REGISTER

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:

1 - CONCRETE

11 - ARCH - DECK

75.0 FT (22.9 M)

138.0 FT (42.1 M)

2 - SPREAD FTG ON BEARING MAT'L

2 - SPREAD FTG ON BEARING MAT'L

6 - N/A

6 - N/A

N - NOT APPLICABLE

(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: .. N - NOT APPLICABLE

B) TYPE MEMBRANE: ................. N - NOT APPLICABLE

C) TYPE PROTECTION: .............. N - NOT APPLICABLE

(218) IS SALT USED?: ..................... NO

LOAD RATING AND POSTING

(31) DESIGN LOAD: ................. 0 - UNKNOWN (41) LOAD RESTRICTION: ......... A - OPEN, NO RESTRICTION

(66) INVENTORY RATING: ...... 26.4 TONS (24.0 METRIC TONS) (70) BRIDGE POSTING: .............. 5 - NO POSTING REQUIRED

(64) OPERATING RATING: ...... 44.1 TONS (40.0 METRIC TONS)

INSPECTION DATES

(90) INSPECTION DATE: 7/14 (91) FREQ. OF INSP: 24 MONTHS (92 / 93) CRITICAL FEATURE INSPECTION (CFI):

(219) ADD. STUDIES NEEDED: N - 0 - NONE (A) FRACTURE CRITICAL: ... NO

INSP. EVERY: MONTHS - LAST INSP. : (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. :

STRUCTURE INVENTORY AND APPRAISAL STRUCTURE NO. 1797-001P

GEOMETRY, TRAFFIC, AND NAVIGATIONAL DATA

(16) LATITUDE: ............................. 41°47'40.20" (51) CURB TO CURB WIDTH: ........... 16.3 FT (5.0 M)

(17) LONGITUDE: ......................... 73°56'22.40" (52) DECK WIDTH: ............................ 21.7 FT (6.6 M)

(19) DETOUR LENGTH: ............... 1 MI (2 KM) (32) APPR. ROADWAY WIDTH: ........ 18.0 FT (5.5 M)

(28A) LANES ON STRUCT: .......... 02 (213) APPR. PAVEMENT WIDTH: ..... 18.0 FT (5.5 M)

(28B) LANES UNDER STRUCT: ... 00 LEFT SHOULDER: .................. 0.0 FT (0.0 M)

(42A) SERVICE ON: ..................... 1 - HIGHWAY RIGHT SHOULDER: ................ 0.0 FT (0.0 M)

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

(29) AVG. DAILY TRAFFIC: .......... 550 (34) SKEW ANGLE: ............................ 0 °

(30) YEAR OF ADT: ...................... 2010 (35) DECK FLARE?: ........................... NO

(114) FUTURE ADT: ..................... 660 (47) TOTAL HORIZ. CLEARANCE: .... 16.3 FT (5.0 M)

(115) YEAR OF FUTURE ADT: ..... 2030 (50) SIDEWALKS:

(101) PARALLEL STRUCTURE: ... N - NONE LEFT : ...................................... 0.0 FT (0.0 M)

(38) NAVIGATION CONTROL?: ... 0 RIGHT : ................................... 0.0 FT (0.0 M)

(39) VERTICAL CLEARANCE: ...... 0.0 FT (0.0 M) (214) BRIDGE RAIL TYPE:

(40) HORIZ. CLEARANCE: ........... 0.0 FT (0.0 M) RAIL CONFIGURATION: ......... 1 - FULL HEIGHT (NO PARAPE

(111) ABUT. OR PIER PROT: ....... MATERIAL: .............................. 1 - CONCRETE

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

LATERAL UNDERCLEARANCE:

(55) RIGHT: ....................... 0.0 FT (0.0 M) (215) BRIDGE RAIL HEIGHT: ............ 3.50 FT (1.07 M)

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

(59) SUPERSTRUCTURE:

(60) SUBSTRUCTURE:

(61) CHANNEL:

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

(222) APPROACHES:

(223) RETAINING WALL:

(36) TRAFFIC SAFETY FEAT: ... 1NNN

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

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

(76) IMPROVEMENT LENGTH: ..

(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

D - MINOR

ADDITIONAL INFORMATION

(230) STRUCTURE HISTORY:

1998-CONCRETE REPAIRS, INCLUDING WATERPROOF MEMBRANE TO BACK OF ARCH; 1999-WEARING SURFACE REPLACED;

2000-APPROACH PAVEMENT REPLACED; 2012-RETAINING WALL AND DAM REPAIRED.

(231) ADDITIONAL CONSIDERATIONS:

(330) ADDITIONAL CONFIG. INFO.:

http:73�56'22.40 http:41�47'40.20

APPENDIX STRUCTURE NO. 1797-001P

PHOTOGRAPHS STRUCTURE NO. 1797-001P

FLOW

PHOTO #1 - LOOKING EAST TOWARD U.S. ROUTE 9 (AGAINST 0NE-WAY

TRAFFIC)

PHOTO #2 - NORTH (UPSTREAM) ELEVATION

PHOTO #3 - GENERAL TOP SIDE VIEW LOOKING EAST

PHOTO #4 - TYPICAL PAVEMENT CONDITION; NOTE TRANSVERSE

CRACKING

PHOTO #5 - SETTLEMENT OF PAVEMENT NEAR INLET, NORTH SIDE OF

WEST APPROACH; NOTE PREVIOUSLY NOTED HOLE IN ASPHALT HAS

BEEN PATCHED

PHOTO #6 - TYPICAL CONDITION OF BRIDGE RAIL, NORTH RAILING

SHOWN

PHOTO #7 - TYPICAL DETERIORATION OF MORTAR AT TOP RAIL

JOINTS, NORTH RAIL SHOWN

PHOTO #8 - CRACKING AND SPALLING OF SOUTH RAIL AT BLOCK #2

FROM EAST END; NOTE DETERIORATION OF JOINT MORTAR AND

SPALLING ON PARAPET

PHOTO #9 - TYPICAL CRACKING OF BASE OF RAILING BLOCK, #3 FROM

WEST END, NORTH RAILING SHOWN

PHOTO #10 - SPALLING OF NORTH RAIL BLOCK #3 FROM WEST END

PHOTO #11 - VEGETATION GROWTH AND VERTICAL CRACKING,

NORTHEAST WINGWALL

PHOTO #12 - EROSION FROM RUNOFF OF WEST APPROACH SLAB,

NORTH SIDE

PHOTO #13 - SOUTHWEST WINGWALL; NOTE CRACKING WITH

EFFLORESCENCE AND VEGETATION GROWTH

PHOTO #14 - GENERAL VIEW OF SOUTH ARCH SPANDREL WALL, WEST

SIDE; NOTE CRACKING AND EFFLORESCENCE

PHOTO #15 - GENERAL UNDERSIDE VIEW

LOOKING EAST; NOTE CRACKING WITH

EFFLORESCENCE ALONG EDGE OF ARCH

PHOTO #16 - GENERAL VIEW OF WEST END

OF ARCH AND ABUTMENT

PHOTO #17 - CLOSE UP VIEW OF PATCHING

AND EPOXY INJECTION TO LONGITUDINAL

CRACKS, CENTER OF ARCH ON EAST SIDE

PHOTO #18 - LONGITUDINAL CRACKING WITH

HEAVY EFFLORESCENCE, SOUTH EAST SIDE

OF ARCH

PHOTO #19 - GENERAL VIEW OF EAST ABUTMENT; NOTE TRANSVERSE

AND LONGITUDINAL CRACKING WITH EFFLORESCENCE

PHOTO #20 - NORTHEAST RETAINING WALL

PHOTO #21 - NORTHWEST RETAINING WALL

PHOTO #22 - SOUTHEAST RETAINING WALL

PHOTO #23 - SOUTHWEST RETAINING WALL

PHOTO #24 - VIEW FROM BRIDGE LOOKING UPSTREAM

PHOTO #25 - VIEW FROM BRIDGE LOOKING DOWNSTREAM