5140-188P1594.pdf
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- Attached to
- Blue Ridge Parkway Federal contract opportunity
- Solicitation number
- 693C73-22-B-000004
About this file
This document contains details for a federal contract solicitation for construction services on the Blue Ridge Parkway in North Carolina. The solicitation seeks sealed bids for reconstruction and rehabilitation work on segments of the parkway from milepost 229.6 to 305.1, including overlooks, parking areas, ramps, drainage assessments and improvements, signage, pavement markings, guardrail, and slope stabilization. The project will be split into multiple work schedules with an expected total cost between $75-100 million. Bids are due on a date specified in Block 13a of the SF1442 solicitation form to be issued on or around December 16, 2021. All interested vendors must register at www.sam.gov to receive email notifications of solicitation document availability and updates. Annual representations and certifications must be completed at www.sam.gov and www.dol.gov/vets/vets4212.htm.
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STRUCTURE SUMMARY STRUCTURE NO. 5140-188P
LAXON ROAD BRIDGE INSPECTION DATE: 10/2/19
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
FRAME
NOT APPLICABLE
BITUMINOUS
UNKNOWN
N/A
CONCRETE
000000000000 / NONE
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:
13.5 FT (4.1 M)
13.5 FT (4.1 M)
35.8 FT (10.9 M)
25.5 FT (7.8 M)
1950 (EST.)
N/A
27 °
NO
LOCATION
BLUE RIDGE PARKWAY MILE POINT: ..................... 280.28 (KM PT 451.09)
STATE: ................................. NORTH CAROLINA LOCATION: 0.90 MILES FROM TRIPLITT ROAD
FACILITY CARRIED: ............ BLUE RIDGE PARKWAY
FEATURE INTERSECTED: .. LAXON ROAD
STRUCTURE EVALUATION SUMMARY
This concrete frame bridge is in good condition overall. The main problems are displaced capstones at the southwest wingwall; and randomly located deteriorated wingwall mortar joints. Additionally, there is vegetation encroaching the southeast wingwall and growing from the wingwall mortar joints.
It should be noted that there is a lack of reflective object markers and vertical clearance signs at the underpass approaches.
Corrective action should be taken as outlined in this report to prevent the possible development of more serious or costly problems in the future. Consideration should be given to installing a railing system capable of meeting current safety and minimum height guidelines for traffic barriers.
INSPECTION TEAM: S. DOSSETT, T. POWELL (VOLKERT, INC.)
CONDITION ASSESSMENT:
STEPHEN DOSSETT, P.E., FIELD TEAM LEADER
REPORT REVIEW:
MARCUS MILLER, P.E., BRIDGE INSPECTION ENGINEER 703-404-6252
REPORT APPROVAL: DATE: 1/7/20
JORGOMAI CEESAY, PH.D., P.E., BIP SUPERVISORY ENGINEER 703-404-6244
RECOMMENDATIONS AND ESTIMATED COSTS STRUCTURE NO. 5140-188P
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.
ROUTINE MAINTENANCE QTY. UNIT UNIT
COST
PRELIM.
COST
ESTIMATE
60.6,12 RESET DISPLACED CAPSTONES ON SOUTHWEST WINGWALL. CLEAN AND
REPOINT WINGWALL MORTAR JOINTS AS NECESSARY. REMOVE VEGETATION
FROM SOUTHEAST WINGWALL AND WINGWALL MORTAR JOINTS.
222.7 INSTALL VERTICAL CLEARANCE SIGNS AND REFLECTIVE OBJECT MARKERS AT
UNDERPASS APPROACHES.
PRELIM. MAINTENANCE TOTAL :
ITEM
NO.
REHABILITATION/RECONSTRUCTION
(TYPICALLY NEEDED WITHIN 5 YEARS)
QTY. UNIT
UNIT
COST
PRELIM. COST
ESTIMATES
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. 5140-188P
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 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.
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 G N N N N G G
N G
G G N G G N
N
N
G
G
58.3 MINOR TO MODERATE CRACKING OF PAVEMENT OVER STRUCTURE.
58.6 MINOR TO MODERATE CHECKING AND SPLITTING OF TIMBER
RAILING.
59.8 MINOR EFFLORESCENCE ON RING STONES.
60.1 MINOR SPALLING WITH EXPOSED REBAR DUE TO INSUFFICIENT
CONCRETE COVER ON BOTH ABUTMENT BREASTWALLS. MINOR
VERTICAL CRACKING WITH EFFLORESCENCE ON BOTH ABUTMENT
BREASTWALLS.
60.6 SEPARATION, UP TO 1/2", AT SOUTHEAST CORNER AND, UP TO 1/4",
AT OTHER CORNERS OF MASONRY WINGWALLS FROM
BREASTWALLS. MINOR TO MODERATE DETERIORATION OF
WINGWALL MASONRY MORTAR JOINTS. CAPSTONES OF
SOUTHWEST WINGWALL HAVE SHIFTED OUTWARD SLIGHTLY.
60.6,12 MODERATE VEGETATION GROWTH ALONG SOUTHEAST WINGWALL.
MINOR VEGETATION GROWTH FROM WINGWALL MORTAR JOINTS. 1. BREASTWALLS OR COLUMNS G
2. PILE BENTS N
3. CAPS AND/OR BEARING SEATS N
4. BACKWALLS AND/OR BULKHEADS N
5. FOUNDATIONS N
6. WINGWALLS F
7. WEEP HOLES G
8. EXPANSION JOINTS N
9. EROSION AND/OR SCOUR G
10. SETTLEMENT OR DEFLECTION G
11. SLOPE PROTECTION N
12. OTHER (VEGETATION) F
PIER(S)
13. WALLS AND/OR COLUMNS N
14. PILE BENTS N
15. CAPS AND/OR BEARING SEATS N
16. FOUNDATIONS N
17. EROSION AND/OR SCOUR N
18. SETTLEMENT OR DEFLECTION N
19. OTHER N
FIELD INSPECTION REPORT STRUCTURE NO. 5140-188P
ITEM REFERENCE AND REMARKS
STREAM BED COMPOSITION :9.
AVERAGE CLEAR OPENING 8.
NORMAL VELOCITY 7.
ADEQUACY OF OPENING 6.
OTHER5.
WATERWAY OBSTRUCTIONS 4.
CHANNEL PROTECTION 3.
EROSION AND/OR SCOUR 2.
ALIGNMENT 1.
61. CHANNEL N
222. APPROACHES 7
1. APPROACH SLABS
2. RELIEF JOINTS
3. APPROACH GUARDRAIL
4. SURFACING
5. EROSION
6. SETTLEMENT
7. SIGNS
8. ALIGNMENT
9. OTHER (UNDERPASS ROADWAY)
N N G G G G N G G
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
222.3 MINOR RUSTING AND PITTING OF STEEL RAILING ATTACHMENT
PLATES.
222.4 MINOR TO MODERATE CRACKING OF APPROACH PAVEMENT.
222.6 AREA OF MINOR SETTLEMENT IN NORTHBOUND LANE OVER SOUTH
ABUTMENT.
222.7 VERTICAL CLEARANCE SIGNS AND REFLECTIVE OBJECT MARKERS
NOT PROVIDED AT UNDERPASS APPROACHES.
222.9 MINOR TO MODERATE SOIL AND DEBRIS ACCUMULATION ALONG
CURBLINES OF UNDERPASS ROADWAY THROUGH STRUCTURE.
MODERATE ABRASION AND MINOR SPALLING OF UNDERPASS
ROADWAY.
UNDERPASS APPROACHES HAVE BEEN RESURFACED AT JUNCTION
WITH ROADWAY SLAB SINCE PREVIOUS INSPECTION.
36.A,C,D RAILING HEIGHT OF 2'-2" DOES NOT MEET CURRENT MINIMUM
HEIGHT GUIDELINES FOR TRAFFIC BARRIERS. RAILING END
TREATMENTS DO NOT MEET CURRENT SAFETY GUIDELINES 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. 5140-188P
TRUCK TYPE
INVENTORY RATING (NORMAL TRAFFIC) OPERATING RATING (MAXIMUM LOAD)
TONS METRIC TONS TONS METRIC TONS
H 15 14 25 23
HS 27 24 45 41
TYPE 3 24 22 40 36
TYPE 3S2 38 34 63 57
TYPE 3-3 47 42 78 71
DESIGN LOADING: UNKNOWN (H15 ASSUMED - SEE REMARKS)
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: DESIGN LOADING IS UNKNOWN; ASSUMPTION IS BASED ON STRUCTURE TYPE, LOCATION, AGE AND
CONDITION.
STRUCTURE INVENTORY AND APPRAISAL STRUCTURE NO. 5140-188P
STRUCTURE IDENTIFICATION
(201) PARK: BLUE RIDGE PARKWAY (1) STATE: ....................................... 374 - NORTH CAROLINA (NC)
(202) STRUCTURE NAME: .......... LAXON ROAD BRIDGE (2) STATE HWY. AGENCY DIST:
(203) STRUCTURE KIND: ............1 - BRIDGE (3) COUNTY CODE: ........................ 189 - WATAUGA
(204) STRUCTURE NUMBER: ..... 5140-188P (4) CITY/PLACE CODE:
(205) NPS REGION: .................... 4 - SOUTHEAST (5) INVENTORY ROUTE:
(206) ROUTE CODE NUMBER: ... 1 (6) FEATURES INTERSECTED:....... LAXON ROAD
(207) ROAD SECTION NO: ..........188P (7) FACILITY CARRIED: .................. BLUE RIDGE PARKWAY
(208) NPS ROAD CLASS: ............ 1 - PRINCIPAL PARK ROAD (8) STATE STRUCTURE NO: .......... 5140188P0000000
(209) WITHIN NPS BNDRY?: .......YES (9) LOCATION: ................................ 0.90 MILES FROM TRIPLITT
(210) OPERATING UNIT: ............. PARK (10) INV. RTE. - MIN. VERT. CLR: .. 99.99 FT (99.99 M)
(211) PROJECT NO(S): ................000000000000 (11) MILE POINT: .............................280.28 (KM PT 451.09)
(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
13.5 FT (4.1 M)
13.5 FT (4.1 M)
0 - UNKNOWN
0 - UNKNOWN
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: .. 6 - BITUMINOUS
B) TYPE MEMBRANE: ................. 0 - NONE
C) TYPE PROTECTION: .............. 0 - NONE
(218) IS SALT USED?: ..................... NO
LOAD RATING AND POSTING
(31) DESIGN LOAD: ................. 0 - UNKNOWN (41) LOAD RESTRICTION: ......... A - OPEN, NO RESTRICTION
(66) INVENTORY RATING: ...... 27.0 TONS (24.5 METRIC TONS) (70) BRIDGE POSTING: .............. 5 - NO POSTING REQUIRED
(64) OPERATING RATING: ...... 45.1 TONS (40.9 METRIC TONS)
INSPECTION DATES
(90) INSPECTION DATE: 10/19 (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. 5140-188P
GEOMETRY, TRAFFIC, AND NAVIGATIONAL DATA
(16) LATITUDE: ............................. 36°13'48.78"
(17) LONGITUDE: ......................... 81°32'55.98"
(19) DETOUR LENGTH: ............... 20 MI (32 KM)
(28A) LANES ON STRUCT:
(28B) LANES UNDER STRUCT: ... 01
(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:
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:
25.5 FT (7.8 M)
35.8 FT (10.9 M)
30.0 FT (9.1 M)
20.0 FT (6.1 M)
5.0 FT (1.5 M)
5.0 FT (1.5 M)
0 - NO MEDIAN
27 °
NO
26.5 FT (8.1 M)
0.0 FT (0.0 M)
0.0 FT (0.0 M)
1 - FULL HEIGHT (NO PARAPE
8 - TIMBER/OTHER
3 - SIMPLE RAIL (joints at each
2.17 FT (0.66 M)
99.99 FT (99.99 M)
11.17 FT (3.40 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: ... 0101
(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
N - Not over waterway.
1 - MAINTENANCE
D - MINOR
ADDITIONAL INFORMATION
(230) STRUCTURE HISTORY:
(231) ADDITIONAL CONSIDERATIONS:
(330) ADDITIONAL CONFIG. INFO.:
https://81�32'55.98 https://36�13'48.78
PHOTOGRAPHS STRUCTURE NO. 5140-188P
PHOTO #1 - LOOKING SOUTH TOWARD ASHEVILLE
PHOTO #2 - WEST SIDE; NOTE TYPICAL LACK OF REFLECTIVE OBJECT
MARKERS AND VERTICAL CLEARANCE SIGNS
PHOTO #3 - GENERAL TOP SIDE VIEW LOOKING SOUTH
PHOTO #4 - GENERAL UNDERSIDE VIEW LOOKING WEST
PHOTO #5 - TYPICAL CHECKING AND SPLITTING OF STEEL-BACKED
TIMBER RAILING, WEST RAILING SHOWN
PHOTO #6 - AREA OF SETTLEMENT IN NORTHBOUND LANE OVER
SOUTH ABUTMENT
PHOTO #7 - TYPICAL CRACKING OF PAVEMENT OVER STRUCTURE,
NORTHBOUND LANE SHOWN
PHOTO #8 - TYPICAL CRACKING OF APPROACH PAVEMENT,
NORTHBOUND LANE OF NORTH APPROACH SHOWN
PHOTO #9 - GENERAL VIEW OF RAILING END TREATMENTS,
NORTHEAST END TREATMENT SHOWN
PHOTO #10 - DISPLACED CAPSTONES AT SOUTHWEST WINGWALL
PHOTO #11 - GENERAL VIEW OF SOUTH
ABUTMENT
PHOTO #12 - TYPICAL EFFLORESCENCE ON
RING STONES, WEST SIDE SHOWN
PHOTO #13 - SPALLING WITH EXPOSED REBAR DUE TO INSUFFICIENT
CONCRETE COVER ON NORTH ABUTMENT BREASTWALL NEAR EAST
SIDE
PHOTO #14 - TYPICAL EXPOSED REBAR DUE TO INSUFFICIENT
CONCRETE COVER ON ABUTMENT BREASTWALLS, SOUTH ABUTMENT
BREASTWALL NEAR EAST SIDE SHOWN
PHOTO #15 - TYPICAL SEPARATION OF
WINGWALL FROM ABUTMENT BREASTWALLS,
SOUTHEAST CORNER SHOWN
PHOTO #16 - TYPICAL VERTICAL CRACKING
WITH EFFLORESCENCE ON ABUTMENT
BREASTWALLS, NORTH ABUTMENT
BREASTWALL NEAR ROADWAY CENTERLINE
SHOWN
PHOTO #17 - GENERAL VIEW OF SOUTHEAST WINGWALL; NOTE
VEGETATION GROWTH
PHOTO #18 - TYPICAL DETERIORATION OF WINGWALL MORTAR
JOINTS, NORTHEAST WINGWALL SHOWN; NOTE VEGETATION
GROWTH FROM MORTAR JOINTS
PHOTO #19 - UNDERPASS APPROACHES HAVE BEEN RESURFACED AT
JUNCTION WITH UNDERPASS ROADWAY SLAB, WEST UNDERPASS
SHOWN
PHOTO #20 - GENERAL VIEW OF UNDERPASS ROADWAY; NOTE SOIL
AND DEBRIS ACCUMULATION ALONG CURBLINES
PHOTO #21 - TYPICAL ABRASION AND SPALLING OF UNDERPASS
ROADWAY, NEAR ROADWAY CENTERLINE SHOWN
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