Bridge_Inspection_Report_5140-079P.pdf

BRIDGE INSPECTION REPORT

BIG PINE CREEK BRIDGE #5

BLUE RIDGE PARKWAY OVER BIG PINE CREEK

BLUE RIDGE PARKWAY

LN

STRUCTURE NO. 5140-079P

INSPECTION TYPE: ROUTINE

INSPECTION DATE: 6/9/15

Report prepared by: WD

MILE POINT: 224.16

Federal Highway Administration KILOMETER POINT: 360.71 Federal Lands Bridge Office Bridge Inspection and Management Program 21400 Ridgetop Circle Sterling, Virginia 20166 https://bridge.flhd.fhwa.dot.gov

STRUCTURE SUMMARY STRUCTURE NO. 5140-079P

BIG PINE CREEK BRIDGE #5 INSPECTION DATE: 6/9/15

BRIDGE IDENTIFICATION AND DESCRIPTION

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

MAIN SPAN TYPE: ............... FRAME NO. OF APPR. SPANS:

# OF BEAMS, MAIN SPAN: .. 5 STRUCT. TOTAL LENGTH: .. 42.0 FT (12.8 M)

DECK TYPE: ......................... CONCRETE CAST-IN-PLACE MAX. SPAN LENGTH: .......... 42.0 FT (12.8 M) WEARING SURFACE: .......... BITUMINOUS DECK WIDTH: ...................... 34.8 FT (10.6 M) ABUT. FOUNDATIONS: ........ SPREAD FTG ON BEARING MAT'L CURB TO CURB WIDTH: ..... 31.0 FT (9.4 M)

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

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

PROJ./PLAN REF. NO: ......... 2A2 / NONE SKEW ANGLE: ..................... 30 °

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

STRUCTURE HISTORY: ...... 1983-JOINT REPAIR.

LOCATION

BLUE RIDGE PARKWAY MILE POINT: ..................... 224.16 (KM PT 360.71)

STATE: ................................. NORTH CAROLINA LOCATION: 0.9 MILES FROM NC ROUTE 1463

FACILITY CARRIED: ............ BLUE RIDGE PARKWAY

FEATURE INTERSECTED: .. BIG PINE CREEK

STRUCTURE EVALUATION SUMMARY

This concrete frame bridge is in poor condition overall. The main problem is deterioration of the concrete deck sides with cracking, spalling with exposed steel reinforcement, delamination, efflorescence, and leakage. Beam #5 is also exhibiting signs of deterioration including longitudinal cracking and efflorescence on all faces. Other problems include southward channel migration causing scour at the south abutment and along the southwest wingwall, deterioration of the parapet and wingwall masonry mortar joints with cracking and efflorescence, damaged capstones in the west parapet, and buried weep holes in the north abutment breastwall.

In addition, consideration should be given to raising the masonry parapets to meet the minimum safety requirement of 2'-3".

Corrective measures should be taken as outlined in this report to help prevent the possible development of more serious or costly problems in the future.

INSPECTION TEAM: M. REGER, H. SALAD

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: 12/31/15

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

RECOMMENDATIONS AND ESTIMATED COSTS STRUCTURE NO. 5140-079P

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.

58.6, 60.6 CLEAN AND REPOINT MASONRY MORTAR JOINTS IN PARAPETS AND WINGWALLS

AS NECESSARY. REPLACE FRACTURED STONES IN WEST PARAPET.

50 LF

60.7 CLEAR WEEP HOLES AT NORTH ABUTMENT. 1 LS

PRELIM. MAINTENANCE TOTAL :

ITEM

NO.

REHABILITATION/RECONSTRUCTION

(TYPICALLY NEEDED WITHIN 5 YEARS) QTY. UNIT UNIT

COST ESTIMATES

PRELIM. COST

REHAB. RECONSTR.

58.1, 59.2 REMOVE LOOSE CONCRETE FROM DECK SIDES, CLEAN AND COAT

EXPOSED STEEL REINFORCEMENT, AND REPAIR AS ORIGINALLY

CONSTRUCTED. REPAIR DETERIORATED CONCRETE IN BEAM #5.

1 LS

60.9 INSTALL ENGINEERED RIPRAP ALONG SOUTH ABUTMENT TO

PREVENT FURTHER SCOUR.

1 LS

58, 59, 60 CONTRACT COSTS FOR MOBILIZATION, TRAFFIC CONTROL, AND

DESIGN/CONSTRUCTION ENGINEERING.

1 LS

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 recommended actions will be combined with similar work being performed on other structures.

FIELD INSPECTION REPORT STRUCTURE NO. 5140-079P

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

OTHER

SETTLEMENT OR DEFLECTION

EROSION AND/OR SCOUR

FOUNDATIONS

CAPS AND/OR BEARING SEATS

PILE BENTS

WALLS AND/OR COLUMNS

PIER(S)

OTHER

SLOPE PROTECTION

SETTLEMENT OR DEFLECTION

EROSION AND/OR SCOUR

EXPANSION JOINTS

WEEP HOLES

WINGWALLS

FOUNDATIONS

BACKWALLS AND/OR BULKHEADS

CAPS AND/OR BEARING SEATS

PILE BENTS

BREASTWALLS OR COLUMNS

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 F N N N N N N F

N G

G N N N N G F N G G N N

N N N N N N N

11.

10.

9.

8.

7.

6.

5.

4.

3.

2.

1.

12.

13.

14.

15.

16.

17.

18.

19.

58.1 SEVERE DETERIORATION OF DECK OVERHANG AREAS WITH

CRACKING, SPALLING WITH EXPOSED STEEL REINFORCEMENT

(WEST SIDE), DELAMINATION, EFFLORESCENCE, AND LEAKAGE.

MINOR CRACKING WITH EFFLORESCENCE ON DECK UNDERSIDE

ALONG CONSTRUCTION JOINT.

58.3 MINOR DETERIORATION OF WEARING SURFACE ALONG CURB

LINES. MINOR LONGITUDINAL CRACKING OF WEARING SURFACE IN

SOUTHBOUND LANE OVER STRUCTURE.

58.6,7 MINOR TO MODERATE CRACKING OF PARAPET MASONRY MORTAR

JOINTS WITH EFFLORESCENCE. TWO CAP STONES ARE

FRACTURED IN WEST PARAPET. MINOR VEGETATION GROWTH

ALONG CURBLINES AND IN MORTAR JOINTS.

59.2 CONCRETE FRAME STRUCTURE WITH TEE BEAM CROSS SECTION

IN CENTER PORTION OF SPAN.

WIDESPREAD MODERATE LONGITUDINAL CRACKING AND

DELAMINATION WITH HEAVY EFFLORESCENCE ON ALL FACES OF

BEAM # 5.

59.9 NOTICEABLE SAG IN SUPERSTRUCTURE, BEAMS #3, 4, AND 5.

60.1 MODERATE SCALING OF SOUTH ABUTMENT BREASTWALL AT

WATERLINE. MODERATE EFFLORESCENCE AT WEST SIDE OF

SOUTH ABUTMENT. HAIRLINE VERTICAL CRACKING OF BOTH

ABUTMENT BREASTWALLS.

60.6 MINOR CRACKING OF WINGWALL MASONRY MORTAR JOINTS WITH

EFFLORESCENCE AND MINOR VEGETATION AND MOSS GROWTH.

60.7 WEEP HOLES ARE BURIED AT NORTH ABUTMENT DUE TO

AGGRADATION OF SILT AGAINST BREASTWALL.

60.9 MINOR SCOUR AT SOUTH ABUTMENT WITH 8" OF FOOTING

EXPOSED (NOT OBSERVED DUE TO HIGH WATER). MINOR SCOUR

ALONG SOUTHWEST WINGWALL NEAR SOUTH ABUTMENT. MINOR

EROSION AT SOUTHWEST AND NORTHEAST WINGWALLS.

G G N G G N

N

N

G

P

FIELD INSPECTION REPORT STRUCTURE NO. 5140-079P

ITEM REFERENCE AND REMARKS

STREAM BED COMPOSITION : 9.

AVERAGE CLEAR OPENING8.

NORMAL VELOCITY 7.

ADEQUACY OF OPENING6.

OTHER 5.

WATERWAY OBSTRUCTIONS 4.

CHANNEL PROTECTION3.

EROSION AND/OR SCOUR2.

ALIGNMENT1.

61. CHANNEL 6

F F N G N

MED

SUFF

9 FT.

GRAVEL, SILT

222. APPROACHES 7

OTHER 9.

ALIGNMENT8.

SIGNS 7.

SETTLEMENT6.

EROSION5.

SURFACING 4.

APPROACH GUARDRAIL 3.

RELIEF JOINTS2.

1. APPROACH SLABS N

N G G G G N 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 ENDS D.

APPROACH GUARDRAILS C.

TRANSITIONS B.

BRIDGE RAILINGSA. 0

N N N

61.1,2 SOUTHWARD CHANNEL MIGRATION. MINOR SLOUGHING ALONG

CHANNEL BANKS WITH UNDERMINING OF SEVERAL TREES.

222.4,6 MINOR SETTLEMENT WITH MINOR TRANSVERSE CRACKING OF

PAVEMENT AT BOTH APPROACHES (PREVIOUS REPAIRS HAVE BEEN

ATTEMPTED). MINOR LONGITUDINAL CRACKING OF SOUTH

APPROACH PAVEMENT ALONG WEST CURBLINE (SEE 222.5).

222.5 TWO MINOR SINKHOLES ALONG WEST PARAPET IN SOUTH

APPROACH SHOULDER.

36.A BRIDGE RAILING HEIGHT OF 2'-0" DOES NOT MEET CURRENT

MINIMUM HEIGHT REQUIREMENT OF 2'-3" FOR TRAFFIC BARRIERS.

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. 5140-079P

TRUCK TYPE

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

TONS METRIC TONS TONS METRIC TONS

H 15 14 25 23

HS 20 19 34 31

TYPE 3 18 17 31 28

TYPE 3S2 29 26 48 43

TYPE 3-3 35 32 59 53

DESIGN LOADING: H15 (M13.5)

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. 5140-079P

STRUCTURE IDENTIFICATION

(201) PARK: BLUE RIDGE PARKWAY (1) STATE: ....................................... 374 - NORTH CAROLINA (NC)

(202) STRUCTURE NAME: .......... BIG PINE CREEK BRIDGE #5 (2) STATE HWY. AGENCY DIST:

(203) STRUCTURE KIND: ............1 - BRIDGE (3) COUNTY CODE: ........................ 005 - ALLEGHANY

(204) STRUCTURE NUMBER: ..... 5140-079P (4) CITY/PLACE CODE:

(205) NPS REGION: .................... 4 - SOUTHEAST (5) INVENTORY ROUTE:

(206) ROUTE CODE NUMBER: ... 1 (6) FEATURES INTERSECTED:....... BIG PINE CREEK

(207) ROAD SECTION NO: .......... 079P (7) FACILITY CARRIED: .................. BLUE RIDGE PARKWAY

(208) NPS ROAD CLASS: ............ 1 - PRINCIPAL PARK ROAD (8) STATE STRUCTURE NO: .......... 5140079P0000000

(209) WITHIN NPS BNDRY?: ....... YES (9) LOCATION: ................................ 0.9 MILES FROM NC ROUTE

(210) OPERATING UNIT: ............. BLUFFS (10) INV. RTE. - MIN. VERT. CLR: .. 99.99 FT (99.99 M)

(211) PROJECT NO(S): ................ 2A2 (11) MILE POINT: ............................. 224.16 (KM PT 360.71)

(212) DRAWING NUMBERS: ....... NONE (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: .. 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:

1 - CONCRETE

07 - FRAME

42.0 FT (12.8 M)

42.0 FT (12.8 M)

2 - SPREAD FTG ON BEARING MAT'L

2 - SPREAD FTG ON BEARING MAT'L

6 - N/A

6 - N/A

1 - CONCRETE CAST-IN-PLACE

(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: .. 6 - BITUMINOUS

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

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

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

LOAD RATING AND POSTING

(31) DESIGN LOAD: ................. 2 - H15 (M13.5) (41) LOAD RESTRICTION: ......... A - OPEN, NO RESTRICTION

(66) INVENTORY RATING: ...... 20.4 TONS (18.5 METRIC TONS) (70) BRIDGE POSTING: .............. 5 - NO POSTING REQUIRED

(64) OPERATING RATING: ...... 34.1 TONS (30.9 METRIC TONS)

INSPECTION DATES

(90) INSPECTION DATE: 6/15 (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. 5140-079P

GEOMETRY, TRAFFIC, AND NAVIGATIONAL DATA

(16) LATITUDE: ............................. 36°29'34.62" (51) CURB TO CURB WIDTH: ........... 31.0 FT (9.4 M)

(17) LONGITUDE: ......................... 80°58'02.76" (52) DECK WIDTH: ............................ 34.8 FT (10.6 M)

(19) DETOUR LENGTH: ............... 25 MI (40 KM) (32) APPR. ROADWAY WIDTH: ........ 28.0 FT (8.5 M)

(28A) LANES ON STRUCT: .......... 02 (213) APPR. PAVEMENT WIDTH: ..... 20.0 FT (6.1 M)

(28B) LANES UNDER STRUCT: ... 00 LEFT SHOULDER: .................. 4.0 FT (1.2 M)

(42A) SERVICE ON: ..................... 1 - HIGHWAY RIGHT SHOULDER: ................ 4.0 FT (1.2 M)

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

(29) AVG. DAILY TRAFFIC: .......... 1347 (34) SKEW ANGLE: ............................ 30 °

(30) YEAR OF ADT: ...................... 2013 (35) DECK FLARE?: ........................... NO

(114) FUTURE ADT: ..................... 1482 (47) TOTAL HORIZ. CLEARANCE: .... 31.1 FT (9.5 M)

(115) YEAR OF FUTURE ADT: ..... 2033 (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: .............................. 9 - OTHER

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

(55) RIGHT: ....................... 0.0 FT (0.0 M) (215) BRIDGE RAIL HEIGHT: ............ 2.00 FT (0.61 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:

(59) SUPERSTRUCTURE:

(60) SUBSTRUCTURE:

(61) CHANNEL:

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

(222) APPROACHES:

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

(36) TRAFFIC SAFETY FEAT: ... 0NNN

(75A) TYPE OF WORK:

(75B) WORK DONE BY:

(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

C - MODERATE

$0

ADDITIONAL INFORMATION

(230) STRUCTURE HISTORY:

1983-JOINT REPAIR.

(231) ADDITIONAL CONSIDERATIONS:

(330) ADDITIONAL CONFIG. INFO.:

APPENDIX STRUCTURE NO. 5140-079P

PHOTOGRAPHS STRUCTURE NO. 5140-079P

PHOTO #1 - LOOKING SOUTHBOUND TOWARD BLOWING ROCK

FLOW

PHOTO #2 - EAST (UPSTREAM) SIDE

PHOTO #3 - GENERAL TOPSIDE VIEW LOOKING SOUTH

PHOTO #4 - TYPICAL ASPHALT PATCHING AT APPROACH, SOUTH

APPROACH SHOWN; NOTE TRANSVERSE CRACKING

PHOTO #5 - SETTLEMENT OF APPROACH PAVEMENT, NORTH

APPROACH SHOWN

PHOTO #6 - TYPICAL LONGITUDINAL CRACKING OF WEARING

SURFACE, SOUTHBOUND SHOWN

PHOTO #7 - MOSS GROWTH AND DEBRIS ACCUMULATION ALONG EAST

CURBLINE

PHOTO #8 - SETTLEMENT ALONG WEST PARAPET AT SOUTH

APPROACH

PHOTO #9 - FRACTURED STONE ON WEST PARAPET

PHOTO #10 - TYPICAL CONDITION OF PARAPET MASONRY MORTAR

JOINTS, SOUTHEAST PARAPET SHOWN; NOTE VEGETATION AND MOSS

GROWTH

PHOTO #11 - GENERAL UNDERSIDE VIEW LOOKING SOUTH

PHOTO #12 - EFFLORESCENCE ALONG CONSTRUCTION JOINT NEAR

NORTH ABUTMENT

PHOTO #13 - CRACKING WITH EFFLORESCENCE ON UNDERSIDE OF

EAST OVERHANG

PHOTO #14 - CRACKING WITH EFFLORESCENCE ON UNDERSIDE OF

BEAM # 5 AND WEST DECK OVERHANG

PHOTO #15 - DELAMINATION AND SPALLING WITH EXPOSED STEEL

REINFORCEMENT ALONG WEST SIDE OF DECK

PHOTO #16 - CLOSE-UP VIEW OF EXPOSED STEEL REINFORCEMENT

AT WEST FASCIA OF CURB; NOTE RUSTING AND SECTION LOSS OF

STIRRUP AND LACK OF AGGREGATE IN CONCRETE MIX

PHOTO #17 - GENERAL VIEW OF NORTH ABUTMENT

PHOTO #18 - TYPICAL CRACKING WITH EFFLORESCENCE ON

WINGWALL MASONRY MORTAR JOINTS, NORTHWEST WINGWALL

SHOWN

PHOTO #19 - GENERAL VIEW OF SOUTH ABUTMENT

PHOTO #20 - CRACKING WITH EFFLORESCENCE ON WEST SIDE OF

SOUTH ABUTMENT AND SOUTHWEST WINGWALL

PHOTO #21 - MOSS AND VEGETATION GROWTH ON SOUTHWEST

WINGWALL

PHOTO #22 - SCOUR ALONG SOUTH ABUTMENT; NOTE SCALING AT

WATERLINE

PHOTO #23 - EROSION AT WEST END OF SOUTH ABUTMENT AND IN

FRONT OF SOUTHWEST WINGWALL

PHOTO #24 - UPSTREAM CHANNEL

PHOTO #25 - DOWNSTREAM CHANNEL