Bridge_Inspection_Rpt_STR_5140-054P.pdf

BRIDGE INSPECTION REPORT

LAUREL FORK BRIDGE (ROCKY KNOB)

BLUE RIDGE PARKWAY OVER LAUREL FORK

BLUE RIDGE PARKWAY

LN

STRUCTURE NO. 5140-054P

INSPECTION TYPE: ROUTINE

INSPECTION DATE: 10/27/14

Report prepared by: EU

MILE POINT: 174.28

Federal Highway Administration KILOMETER POINT: 280.44 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. 5140-054P

LAUREL FORK BRIDGE (ROCKY KNOB) INSPECTION DATE: 10/27/14

BRIDGE IDENTIFICATION AND DESCRIPTION

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

MAIN SPAN TYPE: ............... TEE BEAM NO. OF APPR. SPANS:

# OF BEAMS, MAIN SPAN: .. 5 STRUCT. TOTAL LENGTH: .. 41.1 FT (12.5 M)

DECK TYPE: ......................... CONCRETE CAST-IN-PLACE MAX. SPAN LENGTH: .......... 41.1 FT (12.5 M)

WEARING SURFACE: .......... BITUMINOUS DECK W IDTH: ...................... 33.5 FT (10.2 M)

ABUT. FOUNDATIONS: ........ SPREAD FTG ON BEARING MAT'L CURB TO CURB W IDTH: ..... 30.5 FT (9.3 M)

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

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

PROJ./PLAN REF. NO: ......... 1T2 / NONE SKEW ANGLE: ..................... 28 °

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

STRUCTURE HISTORY: ...... 1982-JOINT REPAIR. 2012-RAILING REPLACED.

LOCATION

BLUE RIDGE PARKWAY MILE POINT: ..................... 174.28 (KM PT 280.44)

STATE: ................................. VIRGINIA LOCATION: 1.7 MILES TO VA ROUTE 603

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

FEATURE INTERSECTED: .. LAUREL FORK

STRUCTURE EVALUATION SUMMARY

This concrete tee beam bridge is in good condition overall. Problems include cracking of the masonry mortar joints in the wingwalls and parapets; scour along the south abutment exposing the top of the footing; longitudinal cracking along the construction joint on the deck underside; honeycombing and spalling with exposed rebar on the deck underside, overhangs, and Beam #2; and an accumulation of debris and vegetation growth along the shoulders, blocking proper drainage.

Repairs should be made as outlined in this report to prevent the possible development of more serious or costly problems in the future.

INSPECTION TEAM: M.R. PUTALLAZ, A.L. STOLL (CLARK NEXSEN)

CONDITION ASSESSMENT:

MICHAEL R. PUTALLAZ, P.E., FIELD TEAM LEADER

REPORT REVIEW :

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

REPORT APPROVAL: DATE: 3/31/15

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

RECOMMENDATIONS AND ESTIMATED COSTS STRUCTURE NO. 5140-054P

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 PLACE ENGINEERED RIPRAP ALONG SOUTH ABUTMENT TO REPAIR SCOUR AND

PREVENT UNDERMINING.

10 CY

58.6, 60.6 CLEAN AND REPOINT WINGWALL AND PARAPET MASONRY MORTAR JOINTS AS

NECESSARY.

60 LF

58.1, 59.2 CLEAN EXPOSED REBAR ON DECK UNDERSIDE, OVERHANGS, AND BEAM #2, AND

COAT WITH APPROVED SEALANT.

5 SF

58.7 REMOVE DEBRIS ACCUMULATION AND VEGETATION GROWTH ALONG

SHOULDERS.

1 LS

58.6 REMOVE UNSOUND CONCRETE AND REPAIR MATERIAL FROM CONCRETE RAIL

POST #2 ON EAST SIDE, CLEAN REBAR, AND COAT WITH APPROVED SEALANT.

3 SF

PRELIM. MAINTENANCE TOTAL :

ITEM

NO.

REHABILITATION/RECONSTRUCTION

(TYPICALLY NEEDED WITHIN 5 YEARS)

QTY. UNIT

UNIT

COST ESTIMATES

PRELIM. COST

REHAB. RECONSTR.

PRELIM. REHABILITATION/RECONSTRUCTION TOTAL :

COST ESTIMATE SUMMARY

PRELIM. MAINTENANCE TOTAL:

PRELIM. REHABILITATION TOTAL:

PRELIM. RECONSTRUCTION TOTAL: ...

TOTAL ITEMIZED COSTS:

$0

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. 5140-054P

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 G N N N N N N G

N G

G N G N G G G N F 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.

(CONCRETE FTG)

58.1 MINOR HONEYCOMBING WITH EXPOSED REBAR AND SCALING ON

DECK UNDERSIDE BETWEEN BEAMS #2 AND #3. MINOR TO

MODERATE LONGITUDINAL CRACKING ALONG CONSTRUCTION

JOINT ON DECK UNDERSIDE BETWEEN BEAMS #3 AND #4; MINOR

SPALLING WITH EXPOSED REBAR ALONG JOINT.

MINOR MOSS GROWTH ON DECK SIDES. MINOR MAP CRACKING

WITH EFFLORESCENCE ON WEST SIDE OF DECK AT NORTH END

AND ON UNDERSIDE OF OVERHANG. MODERATE SPALL WITH

EXPOSED REBAR AND SURROUNDING EFFLORESCENCE ON

UNDERSIDE OF WEST OVERHANG. LARGE SPALL ON UNDERSIDE

OF WEST OVERHANG WITH EXPOSED REBAR AT VOID FOR

PREVIOUS DRAIN. TWO LARGE SPALLS WITH EXPOSED REBAR ON

UNDERSIDE OF EAST OVERHANG AT VOIDS FOR PREVIOUS DRAINS.

58.3, 222.4 MINOR TRANSVERSE AND LONGITUDINAL CRACKING OF ASPHALT

WEARING SURFACE AND APPROACH PAVEMENT.

58.6, 60.6 EXPOSED REBAR DUE TO INSUFFICIENT CONCRETE COVER ON

RAIL POSTS IN SOME LOCATIONS. REPAIR TO EAST RAIL POST #2

HAS FAILED, EXPOSING REBAR. MINOR CHECKING OF TIMBER

RAILS.

MINOR CRACKING WITH HEAVY EFFLORESCENCE ON WINGWALL

AND PARAPET MASONRY MORTAR JOINTS; MINOR MOSS GROWTH.

FRACTURED STONES ON NORTHWEST WINGWALL.

58.7 SOME DECK DRAINS HAVE BEEN PAVED OVER; SEVERAL DECK

DRAINS VISIBLE BENEATH RAILS BUT RESTRICTED DUE TO

MODERATE DEBRIS ACCUMULATION AND VEGETATION GROWTH

ALONG SHOULDERS.

59.2 MINOR HONEYCOMBING WITH EXPOSED REBAR ON UNDERSIDE OF

BEAM #2 AT MIDSPAN.

60.1 MODERATE TO SEVERE SCALING OF SOUTH ABUTMENT

BREASTWALL AT WATERLINE. SPOT EFFLORESCENCE ON SOUTH

ABUTMENT BREASTWALL AT EAST END.

G G N G F N

N

N

G

G

FIELD INSPECTION REPORT STRUCTURE NO. 5140-054P

ITEM REFERENCE AND REMARKS

61. CHANNEL 6 60.9, 61.1,2 CHANNEL SHIFTED AGAINST SOUTH ABUTMENT CAUSING MINOR

1. ALIGNMENT F SCOUR ALONG DOWNSTREAM END; TOP OF FOOTING EXPOSED

CHANNEL PROTECTION 3.

EROSION AND/OR SCOUR 2. F

G

(13'L X 2"H), BUT NOT UNDERMINED; MINOR SCOUR OF SOUTH

DOWNSTREAM CHANNEL BANK.

WATERWAY OBSTRUCTIONS 4. G

OTHER 5. N MINOR SCOUR OF BOTH UPSTREAM CHANNEL BANKS AT

ADEQUACY OF OPENING 6. SUFF ABUTMENTS.

NORMAL VELOCITY 7. MED

AVERAGE CLEAR OPENING 8. 5 FT. 36.A RAILING HEIGHT OF 2'-1" DOES NOT MEET AASHTO MINIMUM

STREAM BED COMPOSITION : 9. HEIGHT SPECIFICATION OF 2'-3" FOR TRAFFIC BARRIERS.

SILT, ROCK

222. APPROACHES 7

OTHER 9.

ALIGNMENT 8.

SIGNS 7.

SETTLEMENT 6.

EROSION 5.

SURFACING 4.

APPROACH GUARDRAIL 3.

RELIEF JOINTS 2.

1. APPROACH SLABS N

N N G G G N G N

223. RETAINING WALL N

OTHER 6.

SETTLEMENT OR DEFLECTION 5.

EROSION AND/OR SCOUR 4.

FOUNDATION 3.

WEEP HOLES 2.

1. WALL

36. TRAFFIC AND SAFETY FEATURES

APPROACH GUARDRAIL ENDS D.

APPROACH GUARDRAILS C.

TRANSITIONS B.

BRIDGE RAILINGSA. 0

N N N

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. 5140-054P

TRUCK TYPE

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

TONS METRIC TONS TONS METRIC TONS

H 15 14 25 23

HS 21 19 34 31

TYPE 3 18 16 31 28

TYPE 3S2 29 26 48 44

TYPE 3-3 36 33 59 54

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. 5140-054P

STRUCTURE IDENTIFICATION

(201) PARK: BLUE RIDGE PARKWAY

(202) STRUCTURE NAME: .......... LAUREL FORK BRIDGE (ROCKY KNOB)

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

(204) STRUCTURE NUMBER: ..... 5140-054P

(205) NPS REGION: .................... 4 - SOUTHEAST

(206) ROUTE CODE NUMBER: ... 1

(207) ROAD SECTION NO: .......... 054P

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

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

(210) OPERATING UNIT: ............. ROCKY KN

(211) PROJECT NO(S): ................ 1T2

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

(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)

063 - FLOYD

161000010

LAUREL FORK

BLUE RIDGE PARKWAY

5140054P0000000

1.7 MILES TO VA ROUTE 603

99.99 FT (99.99 M)

174.28 (KM PT 280.44)

N/A

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:

1 - CONCRETE

04 - TEE BEAM

41.1 FT (12.5 M)

41.1 FT (12.5 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: ...... 21.0 TONS (19.1 METRIC TONS) (70) BRIDGE POSTING: .............. 5 - NO POSTING REQUIRED

(64) OPERATING RATING: ...... 34.0 TONS (30.8 METRIC TONS)

INSPECTION DATES

(90) INSPECTION DATE: 10/14 (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. 5140-054P

GEOMETRY, TRAFFIC, AND NAVIGATIONAL DATA

(16) LATITUDE: ............................. 36°46'18.30" (51) CURB TO CURB WIDTH: ........... 30.5 FT (9.3 M)

(17) LONGITUDE: ......................... 80°24'19.40" (52) DECK WIDTH: ............................ 33.5 FT (10.2 M)

(19) DETOUR LENGTH: ............... 4 MI (6 KM) (32) APPR. ROADWAY WIDTH: ........ 38.0 FT (11.6 M)

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

(28B) LANES UNDER STRUCT: ... 00 LEFT SHOULDER: .................. 8.0 FT (2.4 M)

(42A) SERVICE ON: ..................... 1 - HIGHWAY RIGHT SHOULDER: ................ 8.0 FT (2.4 M)

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

(29) AVG. DAILY TRAFFIC: .......... 1061 (34) SKEW ANGLE: ............................ 28 °

(30) YEAR OF ADT: ...................... 2012 (35) DECK FLARE?: ........................... NO

(114) FUTURE ADT: ..................... 1167 (47) TOTAL HORIZ. CLEARANCE: .... 30.5 FT (9.3 M)

(115) YEAR OF FUTURE ADT: ..... 2032 (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: .............................. 8 - TIMBER/OTHER

DESIGN TYPE: ........................ 3 - SIMPLE RAIL (joints at each

LATERAL UNDERCLEARANCE:

(55) RIGHT: ....................... 0.0 FT (0.0 M) (215) BRIDGE RAIL HEIGHT: ............ 2.08 FT (0.63 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: .............. 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

4 - Stable; action required to pro

1 - MAINTENANCE

D - MINOR

ADDITIONAL INFORMATION

(230) STRUCTURE HISTORY:

1982-JOINT REPAIR. 2012-RAILING REPLACED.

(231) ADDITIONAL CONSIDERATIONS:

(330) ADDITIONAL CONFIG. INFO.:

http:80�24'19.40 http:36�46'18.30

APPENDIX STRUCTURE NO. 5140-054P

PHOTOGRAPHS STRUCTURE NO. 5140-054P

PHOTO #1 - LOOKING SOUTHBOUND TOWARD CUMBERLAND KNOB

FLOW

PHOTO #2 - WEST (DOWNSTREAM) SIDE

PHOTO #3 - GENERAL TOPSIDE VIEW LOOKING SOUTH

PHOTO #4 - TRANSVERSE AND LONGITUDINAL CRACKING OF ASPHALT

WEARING SURFACE OVER STRUCTURE

PHOTO #5 - FAILED REPAIR OF RAIL POST #2

ON EAST SIDE; NOTE EXPOSED REBAR

PHOTO #6 - TYPICAL ACCUMULATION OF

DEBRIS AND VEGETATION GROWTH ON

SHOULDERS; EAST SHOULDER SHOWN

PHOTO #7 - GENERAL UNDERSIDE VIEW LOOKING NORTH

PHOTO #8 - MAP CRACKING WITH EFFLORESCENCE ON WEST SIDE OF

DECK AT NORTH END

PHOTO #9 - TYPICAL LONGITUDINAL

CRACKING ALONG CONSTRUCTION JOINT ON

DECK UNDERSIDE BETWEEN BEAMS #3 AND

#4; DECK NEAR NORTH ABUTMENT SHOWN;

NOTE TYPICAL SPALLING WITH EXPOSED

REBAR ALONG JOINT

PHOTO #10 - SPALL WITH EXPOSED REBAR ON

UNDERSIDE OF WEST OVERHANG AT VOID

FOR PREVIOUS DRAIN NEAR NORTH

ABUTMENT

PHOTO #11 - SPALL WITH EXPOSED REBAR ON

UNDERSIDE OF EAST OVERHANG AT VOID

FOR PREVIOUS DRAIN NEAR SOUTH

ABUTMENT

PHOTO #12 - HONEYCOMBING WITH EXPOSED

REBAR ON UNDERSIDE OF BEAM #2 AT

MIDSPAN

PHOTO #13 - GENERAL VIEW OF SOUTH ABUTMENT

PHOTO #14 - SCOUR ALONG DOWNSTREAM END OF SOUTH

ABUTMENT; NOTE EXPOSED FOOTING

PHOTO #15 - TYPICAL CRACKING WITH EFFLORESCENCE ON

WINGWALL AND PARAPET MASONRY MORTAR JOINTS; NORTHWEST

WINGWALL SHOWN; NOTE TYPICAL MOSS GROWTH

PHOTO #16 - LOOKING UPSTREAM THROUGH STRUCTURE

PHOTO #17 - LOOKING DOWNSTREAM THROUGH STRUCTURE

PHOTO #18 - CHANNEL SHIFTED AGAINST SOUTH ABUTMENT

PHOTO #19 - SCOUR OF SOUTH DOWNSTREAM CHANNEL BANK