5570-484P3438.pdf

STRUCTURE SUMMARY STRUCTURE NO. 5570-484P

AIRPORT ROAD BRIDGE RIDGELAND INSPECTION DATE: 1/18/17

BRIDGE IDENTIFICATION AND DESCRIPTION

MAIN SPAN MATERIAL:

MAIN SPAN TYPE:

# OF BEAMS, MAIN SPAN: ..

DECK TYPE:

WEARING SURFACE:

ABUT. FOUNDATIONS:

PIER FOUNDATION(S):

ABUTMENT / PIER MAT'L: ...

PROJ./PLAN REF. NO:

NPS ROAD CLASS:

STRUCTURE HISTORY:

CONCRETE CONTINUOUS

SLAB

CONCRETE CAST-IN-PLACE

BITUMINOUS

PILE BENT

PILE BENT

CONCRETE

NATR 3014 / B0202

1 - PRINCIPAL PARK ROAD

NO. OF MAIN SPANS:

NO. OF APPR. SPANS:

STRUCT. TOTAL LENGTH: ..

MAX. SPAN LENGTH:

DECK WIDTH:

CURB TO CURB WIDTH:

YEAR BUILT:

YEAR RECONSTRUCTED: ..

SKEW ANGLE:

FRACTURE CRITICAL:

160.3 FT (48.9 M)

70.3 FT (21.4 M)

48.1 FT (14.7 M)

34.0 FT (10.4 M)

N/A

6 °

NO

LOCATION

NATCHEZ TRACE PARKWAY MILE POINT: ..................... 103.60 (KM PT 166.72)

STATE: ................................. MISSISSIPPI LOCATION: 11.18 MILES FROM MS ROUTE 43.

FACILITY CARRIED: ............ NATCHEZ TRACE PARKWAY

FEATURE INTERSECTED: .. AIRPORT ROAD (OLD CANTON ROAD)

STRUCTURE EVALUATION SUMMARY

This continuous concrete slab bridge is in good condition overall. Problems include moderate deterioration of sealant with approach pavement beginning to break up along joints, transverse cracking of the asphalt pavement at the ends of the slab, random cracking of the asphalt pavement over the structure and on the approaches, deterioration of the relief joint sealant with pavement beginning to break up at the ends of the approach slabs, and erosion along the west side of the north slope protection.

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.L. AGNES, S.R. ROTH (CLARK NEXSEN)

CONDITION ASSESSMENT:

MATTHEW L. AGNES, P.E., FIELD TEAM LEADER

REPORT REVIEW:

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

REPORT APPROVAL: DATE: 5/31/17

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

RECOMMENDATIONS AND ESTIMATED COSTS STRUCTURE NO. 5570-484P

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

B (Major) - Structure exhibits severe deterioration, presents a safety hazard, or is designated a high priority due to age and/or condition.

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.

222.2 CLEAN AND RESEAL RELIEF JOINTS AT APPROACHES.

58.3, 222.4 CLEAN AND SEAL CRACKING OF ASPHALT PAVEMENT OVER STRUCTURE AND ON

APPROACHES.

60.9 FILL AND STABILIZE EROSION ON WEST SIDE OF NORTH SLOPE PROTECTION AT

TOE.

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 :

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. 5570-484P

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 N G N N N N N G

N G

G N G N N G N N G G G N

G N G N G G N

11.

10.

9.

8.

7.

6.

5.

4.

3.

2.

1.

12.

13.

14.

15.

16.

17.

18.

19.

58.1, 59.3 MINOR TRANSVERSE CRACKING WITH EFFLORESCENCE ON SLAB

UNDERSIDE. MINOR LONGITUDINAL CRACKING WITH

EFFLORESCENCE ON SLAB UNDERSIDE IN CENTER SPAN AT SOUTH

PIER. MINOR VERTICAL CRACKING WITH EFFLORESCENCE ON

SLAB SIDES OVER PIERS EXTENDING ONTO SLAB UNDERSIDE.

MINOR HONEYCOMBING OF SLAB UNDERSIDE; AREAS OF PATCHING

THROUGHOUT SLAB UNDERSIDE, LIKELY REPAIRS TO

HONEYCOMBING. MINOR HONEYCOMBING OF THICKENED SLAB

OVER NORTH PIER.

VEHICLE SCRAPES ON SLAB UNDERSIDE OVER EASTBOUND LANE

IN CENTER SPAN. SPALLING OF SLAB UNDERSIDE IN SOUTH SPAN

AT SOUTH ABUTMENT WEST CHEEKWALL.

58.3 MINOR RANDOM CRACKING THROUGHOUT WEARING SURFACE.

58.5,6 MINOR VERTICAL CRACKING OF CURBS AND RAILING. MINOR

DIAGONAL CRACKING OF ROADWAY RAIL POSTS, PRIMARILY AT

RAILING EXPANSION JOINTS. MINOR VERTICAL AND MAP CRACKING

WITH EFFLORESCENCE ON CONCRETE BASE OF PEDESTRIAN

RAILING. MINOR RUSTING OF ANCHOR BOLT NUTS AND WASHERS

ON METAL PEDESTRIAN RAILING.

58.7 MINOR ACCUMULATION OF DEBRIS WITH VEGETATION GROWTH IN

CURBLINES.

60.1 MOISTURE STAINING AT ENDS OF ABUTMENT BREASTWALLS.

60.6 MINOR MAP CRACKING WITH EFFLORESCENCE ON WINGWALLS.

MINOR HORIZONTAL CRACKING WITH EFFLORESCENCE ON

WINGWALLS AT BEARING SEATS. MINOR MOWER SCRAPES ON

WINGWALLS.

60.9 MINOR EROSION ALONG WEST SIDE OF NORTH ABUTMENT SLOPE

PROTECTION AT TOE.

G G G G G N

N

N

G

G

INSPECTION DATE: 1/18/17

STRUCTURE NO. 5570-484P FIELD INSPECTION REPORT

AIRPORT ROAD BRIDGE RIDGELAND

ITEM REFERENCE AND REMARKS

AVERAGE CLEAR OPENING 8.

NORMAL VELOCITY 7.

ADEQUACY OF OPENING 6.

OTHER 5.

WATERWAY OBSTRUCTIONS 4.

CHANNEL PROTECTION 3.

EROSION AND/OR SCOUR 2.

1. ALIGNMENT

61. CHANNEL N

9. STREAM BED COMPOSITION :

222. APPROACHES 6

OTHER 9.

ALIGNMENT 8.

SIGNS 7.

SETTLEMENT 6.

EROSION 5.

SURFACING 4.

APPROACH GUARDRAIL 3.

RELIEF JOINTS 2.

1. APPROACH SLABS

(DROP INLETS)

N F N F G G G G G

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. 1

N N N

60.11 MINOR TRANSVERSE CRACKING OF CONCRETE SLOPE

PROTECTION. MINOR DETERIORATION OF SEALANT IN JOINT

BETWEEN SLOPE PROTECTION AND ABUTMENT BREASTWALLS.

MINOR MOWER DAMAGE TO WEST CURB OF SOUTH ABUTMENT

SLOPE PROTECTION AT TOP.

60.13 MINOR VERTICAL CRACKING OF PIER WALLS.

222.2,4 MINOR RANDOM CRACKING OF APPROACH PAVEMENT. MODERATE

TRANSVERSE CRACKING OF ASPHALT PAVEMENT OVER ENDS OF

SLAB. PAVEMENT SAW CUT AND SEALED AT APPROACH ENDS OF

APPROACH SLABS; MODERATE DETERIORATION OF SEALANT WITH

APPROACH PAVEMENT BEGINNING TO BREAK UP ALONG JOINTS.

222.7 TYPE 3 OBJECT MARKERS PRESENT AT ENDS OF RAILINGS.

222.9 DROP INLETS PRESENT AT BOTH SIDES OF NORTH APPROACH.

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. 5570-484P

TRUCK TYPE

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

TONS METRIC TONS TONS METRIC TONS

H 28 25 47 42

HS 36 33 60 55

TYPE 3 34 31 57 52

TYPE 3S2 45 41 75 68

TYPE 3-3 53 48 89 80

DESIGN LOADING: HS20 (MS18)

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. 5570-484P

STRUCTURE IDENTIFICATION

(201) PARK: NATCHEZ TRACE PARKWAY

(202) STRUCTURE NAME: .......... AIRPORT ROAD BRIDGE RIDGELAND

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

(204) STRUCTURE NUMBER: ..... 5570-484P

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

(206) ROUTE CODE NUMBER: ... 1

(207) ROAD SECTION NO: .......... 484P

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

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

(210) OPERATING UNIT: ............. RIDGELND

(211) PROJECT NO(S): ................ NATR 3014

(212) DRAWING NUMBERS: ....... B0202

(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: ..

284 - MISSISSIPPI (MS)

089 - MADISON

161000010

AIRPORT ROAD (OLD CANTO

NATCHEZ TRACE PARKWAY

5570484P0000000

11.18 MILES FROM MS ROUT

16.24 FT (4.95 M)

103.60 (KM PT 166.72)

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:

2 - CONCRETE CONTINUOUS

01 - SLAB

70.3 FT (21.4 M)

160.3 FT (48.9 M)

4 - PILE BENT

4 - PILE BENT

4 - PILE BENT

4 - PILE BENT

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?: ..................... NO

LOAD RATING AND POSTING

(31) DESIGN LOAD: ................. 5 - HS20 (MS18) (41) LOAD RESTRICTION: ......... R - POSTED (OTHER)

(66) INVENTORY RATING: ...... 36.0 TONS (32.7 METRIC TONS) (70) BRIDGE POSTING: .............. 5 - NO POSTING REQUIRED

(64) OPERATING RATING: ...... 60.1 TONS (54.5 METRIC TONS)

INSPECTION DATES

(90) INSPECTION DATE: 1/17 (91) FREQ. OF INSP: 48 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:

(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. 5570-484P

GEOMETRY, TRAFFIC, AND NAVIGATIONAL DATA

(51) CURB TO CURB WIDTH: ........... 34.0 FT (10.4 M)

(16) LATITUDE: ............................. 32°25'37.80"

(17) LONGITUDE: ......................... 90°06'22.80"

(19) DETOUR LENGTH: ............... 0 MI (0 KM)

(28A) LANES ON STRUCT:

(28B) LANES UNDER STRUCT: ... 04

(42A) SERVICE ON: ..................... 1 - HIGHWAY

(42B) SERVICE UNDER: .............. 1 - HIGHWAY

(29) AVG. DAILY TRAFFIC:

(30) YEAR OF ADT:

(114) FUTURE ADT:

(115) YEAR OF FUTURE ADT:

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

(38) NAVIGATION CONTROL?: ... N

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

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

(111) ABUT. OR PIER PROT: ....... 2 - IN PLACE - FUNCTIONING

LATERAL UNDERCLEARANCE:

(55) RIGHT: ....................... 3.0 FT (0.9 M)

(56) LEFT: ......................... 3.0 FT (0.9 M)

CONDITION AND APPRAISAL DATA, PROPOSED IMPROVEMENTS, AND COST

(58) DECK:

(59) SUPERSTRUCTURE:

(60) SUBSTRUCTURE:

(61) CHANNEL: .......................... N

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

(222) APPROACHES:

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

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

(75A) TYPE OF WORK:

(75B) WORK DONE BY:

(76) IMPROVEMENT LENGTH: ..

(52) DECK WIDTH:

(32) APPR. ROADWAY WIDTH:

(213) APPR. PAVEMENT WIDTH:

LEFT SHOULDER:

RIGHT SHOULDER:

(33) BRIDGE MEDIAN:

(34) SKEW ANGLE:

(35) DECK FLARE?:

(47) TOTAL HORIZ. CLEARANCE:

(50) SIDEWALKS:

LEFT :

RIGHT :

(214) BRIDGE RAIL TYPE:

RAIL CONFIGURATION:

MATERIAL:

DESIGN TYPE:

(215) BRIDGE RAIL HEIGHT:

(53) MIN. VRT. CLEAR. OVER DECK:

(54) MIN. VRT. UNDERCLEARANCE:

48.1 FT (14.7 M)

34.0 FT (10.4 M)

22.0 FT (6.7 M)

6.0 FT (1.8 M)

6.0 FT (1.8 M)

0 - NO MEDIAN

6 °

NO

34.0 FT (10.4 M)

0.0 FT (0.0 M)

10.5 FT (3.2 M)

1 - FULL HEIGHT (NO PARAPE

1 - CONCRETE

1 - CONTINUOUS RAIL

2.67 FT (0.81 M)

99.99 FT (99.99 M)

16.00 FT (4.88 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

N - Not over waterway.

1 - MAINTENANCE

D - MINOR

ADDITIONAL INFORMATION

(230) STRUCTURE HISTORY:

(231) ADDITIONAL CONSIDERATIONS:

(330) ADDITIONAL CONFIG. INFO.:

http:90�06'22.80 http:32�25'37.80

APPENDIX STRUCTURE NO. 5570-484P

PHOTOGRAPHS STRUCTURE NO. 5570-484P

PHOTO #1 - LOOKING SOUTHBOUND TOWARD NATCHEZ

PHOTO #2 - EAST SIDE

PHOTO #3 - GENERAL TOPSIDE VIEW LOOKING NORTH

PHOTO #4 - TYPICAL CRACKING OF ASPHALT WEARING SURFACE;

NORTHBOUND LANE OF CENTER SPAN SHOWN

PHOTO #5 - TYPICAL ACCUMULATION OF DEBRIS WITH VEGETATION

GROWTH IN CURBLINES; EAST CURBLINE IN CENTER SPAN SHOWN

PHOTO #6 - TYPICAL DIAGONAL CRACKING OF RAIL POSTS AT

EXPANSION JOINTS; WEST RAILING IN CENTER SPAN SHOWN; ALSO

NOTE TYPICAL CRACKING OF CURBS

PHOTO #7 - TYPICAL RUSTING OF

PEDESTRIAN RAILING ANCHOR BOLT NUTS

AND WASHERS; RAIL POST IN CENTER SPAN

NEAR SOUTH PIER SHOWN

PHOTO #8 - TYPICAL TRANSVERSE CRACKING

OF PAVEMENT OVER SLAB ENDS; SOUTH

APPROACH SHOWN

PHOTO #9 - TYPICAL DETERIORATION OF

RELIEF JOINT SEALANT WITH ASPHALT

BEGINNING TO BREAK UP ALONG JOINTS;

NORTH APPROACH SHOWN

PHOTO #10 - CLOSE-UP OF PREVIOUS PHOTO

PHOTO #11 - TYPICAL CRACKING OF APPROACH PAVEMENT; SOUTH

APPROACH SHOWN

PHOTO #12 - GENERAL UNDERSIDE VIEW LOOKING SOUTH, CENTER

SPAN

PHOTO #13 - LONGITUDINAL CRACKING WITH EFFLORESCENCE ON

SLAB UNDERSIDE IN CENTER SPAN AT SOUTH PIER

PHOTO #14 - TYPICAL VERTICAL CRACKING WITH EFFLORESCENCE

ON SLAB SIDES OVER PIERS EXTENDING ONTO SLAB UNDERSIDE;

EAST SIDE AT SOUTH PIER SHOWN

PHOTO #15 - TYPICAL HONEYCOMBING OF SLAB UNDERSIDE; NORTH

SPAN NEAR NORTH ABUTMENT SHOWN

PHOTO #16 - TYPICAL HONEYCOMBING OF SLAB UNDERSIDE;

MID-LENGTH OF CENTER SPAN SHOWN; ALSO NOTE TYPICAL AREAS

OF PATCHING

PHOTO #17 - TYPICAL HONEYCOMBING OF THICKENED SLAB OVER

NORTH PIER; WEST SIDE SHOWN

PHOTO #18 - VEHICLE SCRAPES ON SLAB UNDERSIDE IN CENTER

SPAN OVER EASTBOUND LANE

PHOTO #19 - GENERAL VIEW OF NORTH ABUTMENT

PHOTO #20 - TYPICAL CRACKING WITH EFFLORESCENCE ON

WINGWALLS; NORTHEAST WINGWALL SHOWN

PHOTO #21 - TYPICAL MOISTURE STAINING AT ENDS OF ABUTMENT

BREASTWALLS; WEST END OF SOUTH ABUTMENT SHOWN; ALSO NOTE

SPALLING OF SLAB UNDERSIDE AT WEST CHEEKWALL

PHOTO #22 - CLOSE-UP OF PREVIOUS PHOTO

PHOTO #23 - TYPICAL DETERIORATION OF SEALANT BETWEEN SLOPE

PROTECTION AND ABUTMENT BREASTWALLS; NORTH ABUTMENT

SHOWN

PHOTO #24 - EROSION AT WEST SIDE OF NORTH ABUTMENT SLOPE

PROTECTION AT TOE

PHOTO #25 - GENERAL VIEW OF NORTH PIER,

NORTH SIDE

PHOTO #26 - TYPICAL VERTICAL CRACKING OF

PIER WALLS; SOUTH SIDE OF NORTH PIER AT

CENTERLINE SHOWN