5570-101P-2018.pdf

STRUCTURE SUMMARY STRUCTURE NO. 5570-101P

MIDDLE BYWAY CREEK BRIDGE #2 INSPECTION DATE: 12/5/18

BRIDGE IDENTIFICATION AND DESCRIPTION

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

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

# OF BEAMS, MAIN SPAN: .. 1 STRUCT. TOTAL LENGTH: .. 87.0 FT (26.5 M)

DECK TYPE: ......................... CONCRETE CAST-IN-PLACE MAX. SPAN LENGTH: .......... 32.0 FT (9.8 M)

WEARING SURFACE: .......... BITUMINOUS DECK WIDTH: ...................... 32.3 FT (9.8 M)

ABUT. FOUNDATIONS: ........ SPREAD FOOTING ON PILES CURB TO CURB WIDTH: ..... 28.0 FT (8.5 M)

PIER FOUNDATION(S): ........ SPREAD FOOTING ON PILES YEAR BUILT:

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

PROJ./PLAN REF. NO: ......... 3H8 / 2354A SKEW ANGLE: ..................... 0 °

NPS ROAD CLASS: .............. 1 - PRINCIPAL PARK ROAD FRACTURE CRITICAL: ........ N/A

STRUCTURE HISTORY: ...... 1982-JOINT REPAIR. 2007-NEW PAVEMENT. 2012 - ROADWAY CURRENTLY BEING

RESURFACED.

LOCATION

NATCHEZ TRACE PARKWAY MILE POINT: ..................... 193.80 (KM PT 311.88)

STATE: ................................. MISSISSIPPI LOCATION: 1.7 MILES SOUTH OF MS ROUTE 9

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

FEATURE INTERSECTED: .. MIDDLE BYWAY CREEK

STRUCTURE EVALUATION SUMMARY

This concrete slab bridge is in fair condition overall. Problems include minor to moderate erosion at the abutment slopes and moderate erosion at the piers; heavy vegetation growth in the channel; a spall with exposed rebar on the east railing at the north abutment and on the north pier; and deteriorated expansion joint material in the rails and curbs.

Corrective action 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, Z. BAILEY

CONDITION ASSESSMENT:

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

REPORT REVIEW:

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

REPORT APPROVAL: DATE: 3/31/19

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

RECOMMENDATIONS AND ESTIMATED COSTS STRUCTURE NO. 5570-101P

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.

D 226 PRIORITY OF IMPROVEMENT

ITEM

NO.

ROUTINE MAINTENANCE QTY. UNIT UNIT

COST

PRELIM.

COST

ESTIMATE

58.2 REPLACE EXPANSION JOINT MATERIAL IN CURBS.

61.4 REMOVE VEGETATION GROWTH FROM CHANNEL.

58.6 CLEAN AND SEAL EXPOSED REBAR WITH APPROVED PROTECTIVE COATING AND

REPAIR SPALL IN EAST RAILING AT NORTH ABUTMENT.

60.13 CLEAN AND SEAL EXPOSED REBAR ON NORTH PIER WITH APPROVED

PROTECTIVE COATING.

60.19 REMOVE TREES FROM PIER ENDS.

PRELIM. MAINTENANCE TOTAL :

ITEM

NO.

REHABILITATION/RECONSTRUCTION

(TYPICALLY NEEDED WITHIN 5 YEARS)

QTY. UNIT

UNIT

COST

PRELIM. COST

ESTIMATES

REHAB. RECONSTR.

60.9,17 REPAIR EROSION AT PIERS AND ABUTMENTS WITH ENGINEERED

RIPRAP.

CONTRACT COSTS FOR MOBILIZATION, TRAFFIC CONTROL,

DESIGN, AND CONSTRUCTION ENGINEERING (70% TOTAL REHAB

COST) PLUS PARK LOCATION FACTOR.

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. 5570-101P

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

N NOT APPLICABLE

9 EXCELLENT CONDITION

8 VERY GOOD CONDITION - no problems noted.

7 GOOD CONDITION - some minor problems.

6 SATISFACTORY CONDITION - structural elements show some minor deterioration.

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

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

3 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.

2 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.

1 “IMMINENT” FAILURE CONDITION - major deterioration or sec ion 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.

0 FAILED CONDITION - out of service; beyond corrective action.

CONDITION RATING CODE EQUIVALENTS FOR SUB-ELEMENTS

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

58. DECK 6

1. DECK SLAB F

2. EXPANSION JOINTS F

3. WEARING SURFACE G

4. RIDEABILITY G

5. CURBS, SIDEWALKS, AND MEDIAN F

6. PARAPETS AND/OR RAILINGS F

7. DRAINS AND DRAINAGE G

8. UTILITIES N

9. DEFLECTION AND/OR VIBRATION G

10. OTHER N

59. SUPERSTRUCTURE 6

1. BEARING DEVICES

2. GIRDERS OR BEAMS

3. ARCH(ES) OR SLAB(S)

4. FLOOR BEAMS AND STRINGERS

5. TRUSSES

6. DIAPHRAGMS AND BRACING

7. PAINT

8. FASCIA(E)

9. DEFLECTION AND/OR VIBRATION

10. ALIGNMENT

11. OTHER

60. SUBSTRUCTURE

ABUTMENTS

1. BREASTWALLS OR COLUMNS

2. PILE BENTS

3. CAPS AND/OR BEARING SEATS

4. BACKWALLS AND/OR BULKHEADS

5. FOUNDATIONS

6. WINGWALLS

7. WEEP HOLES

8. EXPANSION JOINTS

9. EROSION AND/OR SCOUR

10. SETTLEMENT OR DEFLECTION

11. SLOPE PROTECTION

12. OTHER

PIER(S)

13. WALLS AND/OR COLUMNS

14. PILE BENTS

15. CAPS AND/OR BEARING SEATS

16. FOUNDATIONS

17. EROSION AND/OR SCOUR

18. SETTLEMENT OR DEFLECTION

19. OTHER (VEGETATION)

N N F N N N N N G G N

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

G N G N F G F

58.1, 59.3

58.2

58.5

58.5,6

58.6

58.7

60.1

60.6

60.9

ITEM REFERENCE AND REMARKS

MINOR CRACKING WITH HEAVY EFFLORESCENCE ON DECK

UNDERSIDE IN SOUTH AND CENTER SPANS. MINOR SPALLS ON

DECK EDGES AT SOUTH ABUTMENT. MINOR TRANSVERSE

CRACKING SPACED AT 1' ON CENTER ON WEST EDGE OF DECK

UNDERSIDE, CENTER SPAN. MINOR MAP CRACKING THROUGHOUT

CENTER AND NORTH SPANS. MINOR PATCHING OF

HONEYCOMBING, NORTH SPAN.

MINOR CRACKING WITH EFFLORESCENCE ALONG WEST SIDE OF

DECK IN CENTER SPAN.

DETERIORATION OF EXPANSION JOINT MATERIAL IN CURBS AND

RAILINGS.

MINOR CRACKING WITH EFFLORESCENCE ON WEST CURB NEAR

NORTH PIER. MINOR MOSS GROWTH ON TOP OF CURB UNDER

EAST RAIL.

MINOR TRANSVERSE AND LONGITUDINAL CRACKING OF CURBS

AND RAILINGS.

SEVERE SPALL WITH EXPOSED REBAR ON EAST RAILING AT NORTH

ABUTMENT, (1' L X 7" W X 3" D).

DEBRIS ACCUMULATION AND VEGETATION GROWTH ALONG

CURBLINES.

STAINING AT BOTH ENDS OF SOUTH ABUTMENT.

MINOR POPOUTS AT ISOLATED LOCATIONS ON ALL WINGWALLS;

MOWER SCRAPES AT BASE OF WINGWALLS. MINOR VERTICAL

CRACKING WITH EFFLORESCENCE ON NORTHWEST, SOUTHEAST,

AND SOUTHWEST WINGWALLS.

MODERATE EROSION FROM WEEP HOLES AND SCUPPERS AT BOTH

ABUTMENTS. MINOR EROSION ALONG WINGWALLS; MODERATE

ALONG NORTHWEST.

FIELD INSPECTION REPORT STRUCTURE NO. 5570-101P

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 PROTECTION 3.

EROSION AND/OR SCOUR 2.

ALIGNMENT 1.

61. CHANNEL 6

F G N F N

LOW

SUFF

10 FT.

CLAY, SAND

222. APPROACHES 7

1. APPROACH SLABS

2. RELIEF JOINTS

3. APPROACH GUARDRAIL

4. SURFACING

5. EROSION

6. SETTLEMENT

7. SIGNS

8. ALIGNMENT

9. OTHER

N N N G G G G G N

223. RETAINING WALL N

1. WALL

2. WEEP HOLES

3. FOUNDATION

4. EROSION AND/OR SCOUR

5. SETTLEMENT OR DEFLECTION

6. OTHER

36. TRAFFIC AND SAFETY FEATURES

A. BRIDGE RAILINGS

B. TRANSITIONS

C. APPROACH GUARDRAILS

D. APPROACH GUARDRAIL ENDS

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.

60.13 MINOR VERTICAL CRACKING AND POPOUTS ON PIER WALLS.

MINOR SPALL WITH EXPOSED REBAR ON WEST END OF NORTH

PIER AT BOTTOM, 5" LONG. MINOR VINE GROWTH ON EAST END OF

NORTH PIER.

60.17 MODERATE EROSION AT BOTH PIERS. ANIMAL BURROW ON NORTH

SIDE OF NORTH PIER, WEST END.

60.19 SMALL TREE ON WEST SIDE OF NORTH PIER.

61.1 SHARP CURVE IN CHANNEL UPSTREAM OF STRUCTURE.

61.2 MINOR EROSION OF CHANNEL BANKS.

61.2 SEE BRIDGE FILE FOR SCOUR EVALUATION.

61.4 BEAVER DAM ON UPSTREAM SIDE OF BRIDGE; SEVERAL FALLEN

TREES IN CHANNEL UPSTREAM OF DAM. MODERATE TO HEAVY

VEGETATION GROWTH AND FALLEN TREES IN DOWNSTREAM

CHANNEL.

222.6 36" DEEP EROSION HOLE AT NORTH END OF EAST PARAPET.

222.7 TYPE 3 OBJECT MARKERS IN PLACE AT ALL FOUR CORNERS.

STRUCTURE LOAD RATING STRUCTURE NO. 5570-101P

TRUCK TYPE

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

TONS METRIC TONS TONS METRIC TONS

H 17 15 28 25

HS 29 26 48 44

TYPE 3 25 23 42 38

TYPE 3S2 30 27 50 45

TYPE 3-3 38 34 63 57

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: 6/15

LOAD RATING CONTROLLED BY:

REMARKS: SEE BRIDGE FILE FOR LOAD RATING CALCULATIONS.

STRUCTURE INVENTORY AND APPRAISAL STRUCTURE NO. 5570-101P

STRUCTURE IDENTIFICATION

(201) PARK: NATCHEZ TRACE PARKWAY (1) STATE: ....................................... 284 - MISSISSIPPI (MS)

(202) STRUCTURE NAME: .......... MIDDLE BYWAY CREEK BRIDGE #2 (2) STATE HWY. AGENCY DIST:

(203) STRUCTURE KIND: ............1 - BRIDGE (3) COUNTY CODE: ........................ 019 - CHOCTAW

(204) STRUCTURE NUMBER: ..... 5570-101P (4) CITY/PLACE CODE:

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

(206) ROUTE CODE NUMBER: ... 1 (6) FEATURES INTERSECTED:....... MIDDLE BYWAY CREEK

(207) ROAD SECTION NO: ..........101P (7) FACILITY CARRIED: .................. NATCHEZ TRACE PARKWAY

(208) NPS ROAD CLASS: ............ 1 - PRINCIPAL PARK ROAD (8) STATE STRUCTURE NO: .......... 5570101P0000000

(209) WITHIN NPS BNDRY?: .......YES (9) LOCATION: ................................ 1.7 MILES SOUTH OF MS RO

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

(211) PROJECT NO(S): ................3H8 (11) MILE POINT: .............................193.80 (KM PT 311.88)

(212) DRAWING NUMBERS: ....... 2354A (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:

2 - CONCRETE CONTINUOUS

01 - SLAB

32.0 FT (9.8 M)

87.0 FT (26.5 M)

3 - SPREAD FOOTING ON PILES

3 - SPREAD FOOTING ON PILES

3 - SPREAD FOOTING ON PILES

3 - SPREAD FOOTING ON PILES

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: ................. 2 - H15 (M13.5) (41) LOAD RESTRICTION: ......... R - POSTED (OTHER)

(66) INVENTORY RATING: ...... 29.0 TONS (26.3 METRIC TONS) (70) BRIDGE POSTING: .............. 5 - NO POSTING REQUIRED

(64) OPERATING RATING: ...... 48.0 TONS (43.5 METRIC TONS)

INSPECTION DATES

(90) INSPECTION DATE: 12/18 (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: 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. 5570-101P

GEOMETRY, TRAFFIC, AND NAVIGATIONAL DATA

(16) LATITUDE: ............................. 33°25'26.20"

(17) LONGITUDE: ......................... 89°15'46.30"

(19) DETOUR LENGTH: ............... 25 MI (40 KM)

(28A) LANES ON STRUCT:

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

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

(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:

(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:

28.0 FT (8.5 M)

32.3 FT (9.8 M)

32.0 FT (9.8 M)

22.0 FT (6.7 M)

5.0 FT (1.5 M)

5.0 FT (1.5 M)

0 - NO MEDIAN

0 °

NO

28.0 FT (8.5 M)

0.0 FT (0.0 M)

0.0 FT (0.0 M)

1 - FULL HEIGHT (NO PARAPE

1 - CONCRETE

1 - CONTINUOUS RAIL

2.50 FT (0.76 M)

99.99 FT (99.99 M)

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: ... 1NNN

(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

5 - Stable; scour within limits of

2 - REHAB/RECONSTRUCTION

D - MINOR

$5,000

$50,000

$0

ADDITIONAL INFORMATION

(230) STRUCTURE HISTORY:

1982-JOINT REPAIR. 2007-NEW PAVEMENT. 2012 - ROADWAY CURRENTLY BEING RESURFACED.

(231) ADDITIONAL CONSIDERATIONS:

(330) ADDITIONAL CONFIG. INFO.:

APPENDIX STRUCTURE NO. 5570-101P

PHOTOGRAPHS STRUCTURE NO. 5570-101P

PHOTO #1 - LOOKING SOUTHBOUND TOWARD JACKSON

FLOW

PHOTO #2 - WEST (DOWNSTREAM) SIDE

PHOTO #3 - GENERAL TOPSIDE VIEW OF STRUCTURE LOOKING SOUTH

PHOTO #4 - GENERAL UNDERSIDE VIEW OF STRUCTURE IN CENTER

SPAN LOOKING NORTH

PHOTO #5 - CRACKING WITH

EFFLORESCENCE ALONG WEST SIDE OF

DECK IN CENTER SPAN

PHOTO #6 - CRACKING WITH

EFFLORESCENCE ON DECK UNDERSIDE IN

SOUTH SPAN NEAR WEST SIDE

PHOTO #7 - TYPICAL SCALING AND WATER

STAINING ON DECK UNDERSIDE AT DECK

DRAINS

PHOTO #8 - TYPICAL ADHESION FAILURE OF

SAWCUT JOINT SEALANT OVER DECK JOINTS,

JOINT OVER NORTH ABUTMENT SHOWN

PHOTO #9 - TYPICAL MISSING FILLER

MATERIAL IN CURB AND RAILING EXPANSION

JOINTS; WEST CURB AND RAIL OVER SOUTH

ABUTMENT SHOWN

PHOTO #10 - TYPICAL VERTICAL AND

TRANSVERSE CRACKS IN RAILING, WEST

RAILING SHOWN

PHOTO #11 - CRACKING WITH EFFLORESCENCE ON WEST CURB NEAR

NORTH PIER

PHOTO #12 - CRACKING WITH EFFLORESCENCE ON WEST CURB OVER

SOUTH PIER

PHOTO #13 - SPALL WITH EXPOSED REBAR ON

EAST RAIL AT NORTH ABUTMENT

PHOTO #14 - TYPICAL ACCUMULATION OF

DEBRIS ALONG CURBLINES, WEST CURBLINE

SHOWN

PHOTO #15 - GENERAL VIEW OF NORTH ABUTMENT; NOTE EROSION

FROM WEEP HOLES

PHOTO #16 - EROSION ALONG NORTHWEST WINGWALL

PHOTO #17 - TYPICAL TREES GROWING AT

ENDS OF PIERS, EAST END OF SOUTH PIER

SHOWN

PHOTO #18 - GENERAL VIEW OF SOUTH FACE

OF SOUTH PIER

PHOTO #19 - EROSION ALONG SOUTH FACE

OF SOUTH PIER (PHOTO FROM 1/14/2016

INSPECTION REPORT)

PHOTO #20 - SPALL WITH EXPOSED REBAR AT

WEST END OF NORTH PIER

PHOTO #21 - GENERAL VIEW OF SOUTH ABUTMENT; NOTE EROSION

TROUGHS

PHOTO #22 - VIEW FROM BRIDGE LOOKING UPSTREAM

PHOTO #23 - VIEW FROM BRIDGE LOOKING DOWNSTREAM