9830-014P - TOKLAT RIVER BRIDGE NO. 2 - INSPECTION REPORT 2021.pdf
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- Attached to
- AK NPS DENA 10(49), Polychrome Area Improvements
- Solicitation number
- 69056722R000015
About this file
This bridge inspection report documents the condition of the Toklat River Bridge No. 2 located in Denali National Park and Preserve in Alaska. The four-span concrete box beam bridge was built in 1987 and last inspected on June 21, 2021. The inspection found light cracking in the deck and curbs, with some spalling of the deck over the center pier. The superstructure and substructure were also rated a 6 on the National Bridge Inventory condition scale. The report includes 28 photos documenting these conditions and assessing other bridge elements.
The related federal contract opportunity is a solicitation from the Department of Transportation Federal Highway Administration seeking proposals for improvements to the Polychrome Area in Denali National Park and Preserve. The solicitation number is 69056722R000015 and proposals are due on an unspecified date. No further details are provided on the required scope of work, pricing terms, or other contractual requirements.
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BRIDGE INSPECTION REPORT
TOKLAT RIVER BRIDGE NO. 2
DENALI PARK ROAD OVER TOKLAT RIVER
DENALI NATIONAL PARK & PRESERVE
LOOKING EAST TOWARD DENALI VISITOR CENTER
STRUCTURE NO. 9830-014P
INSPECTION TYPE: ROUTINE
INSPECTION DATE: 6/21/2021
SOUTH (UPSTREAM) PROFILE
Report prepared by:
Federal Highway Administration Federal Lands Bridge Office Bridge Inspection and Management Program 21400 Ridgetop Circle Sterling, Virginia 20166 https://bridge.flhd.fhwa.dot.gov
STRUCTURE LOAD RATING STRUCTURE NO. 9830-014P
TOKLAT RIVER BRIDGE NO. 2 INSPECTION DATE: 06/20/2021
TRUCK TYPE
INVENTORY RATING (NORMAL TRAFFIC) OPERATING RATING (MAXIMUM LOAD)
TONS METRIC TONS TONS METRIC TONS
H 25 23 43 39
HS 46 42 77 70
TYPE 3 60 54 100 91
TYPE 3S2 63 57 106 96
TYPE 3-3 67 61 112 102
DESIGN LOADING: 5 - HS 20
X CAPACITY MEETS OR EXCEEDS DESIGN LOAD
CAPACITY IS LESS THAN DESIGN LOAD
ORIGINAL LOAD RATING CALCULATION APPLICABLE
X ORIGINAL LOAD RATING CALCULATION REVISED
DATE OF LOAD RATING CALCULATION: 07/18/2016
LOAD RATING CONTROLLED BY: POSITIVE MOMENT
REMARKS: SEE BRIDGE FILE FOR LOAD RATING CALCULATIONS.
STRUCTURE INVENTORY AND APPRAISAL STRUCTURE NO. 9830-014P
STRUCTURE IDENTIFICATION
(201) PARK: DENALI NATIONAL PARK & PRESERVE
(202) STRUCTURE NAME:..............TOKLAT RIVER BRIDGE NO. 2
(203) STRUCTURE KIND:............... 1 - BRIDGE
(204) STRUCTURE NUMBER:.........9830-014 P
7 - ALASKA(205) NPS REGION:
(206) ROUTE CODE NUMBER:
(207) ROAD SECTION NO:
(208) NPS ROAD CLASS:............... 1 - PRINCIPAL PARK ROAD
(209) WITHIN NPS BNDRY?:.......... Yes
(210) OPERATING UNIT:.................NONE
(211) PROJECT NO(S):................... DENA 10(1)
(212) DRAWING NUMBERS:...........RG2444
(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) HISTORIC DESIGNATION:
020 - ALASKA
02290 YUKON-KOYUKUK
00000
1 6 1 00000 0
TOKLAT RIVER
DENALI PARK ROAD
9830014P0000000
53.61 MILES WEST OF AK ROUTE 3
(MP 237.3) ON DENALI PARK ROAD.
99.99 FT ( 99.99 M)
53.61 (KM PT: 16.34)
3 - ON FREE ROAD
5 - NOT ELIGIBLE
STRUCTURE DESCRIPTION, FOUNDATION, AND DECK TYPE
(43A) MAIN STR. MATERIAL:..........2 - CONCRETE CONTINUOUS
(43B) MAIN STR. TYPE:.................. 06 - BOX BEAM OR GIRDERS -
SINGLE OR SPREAD
(45) NO. OF MAIN SPANS:
(48) MAX. SPAN LENGTH:..............119 FT ( 36.3 M)
(49) STRUCTURE LENGTH:........... 430. FT ( 131.1 M)
(216A) ABUTMENT #1 FDN:........... 4 - PILE BENT
(216B) ABUTMENT #2 FDN:........... 4 - PILE BENT
(217A) PREDOM. PIER FDN:.......... 4 - PILE BENT
(217B) SECOND. PIER FDN:.......... 4 - PILE BENT
(107) DECK TYPE:.......................... 1 - CONCRETE CAST-IN-PLACE
(44A) APPR. STR. MATERIAL:............ 0 - Other
(44B) APPR. STR. TYPE:.................... 00 - OTHER
(46) NO OF APPROACH SPANS:
(108) WEAR SURFACE/PROTECT SYSTEM:
A) TYPE WEARING SURFACE:.. 1 - MONOLITHIC CONCRETE
(CONCURRENTLY PLACED WITH
STRUCTURAL DECK)
B) TYPE MEMBRANE:................. 0 - NONE
C) TYPE PROTECTION:.............. 0 - NONE
(218) IS SALT USED?.......................... NO
LOAD RATING AND POSTING
(31) DESIGN LOAD:.........................5 - HS 20 (41) LOAD RESTRICTION:.................. A - OPEN
(66) INVENTORY RATING:..............43 METRIC TONS) (70) BRIDGE POSTING:...................... 5 - EQUAL TO OR ABOVE LEGALTONS ( 39
LOADS
(64) OPERATING RATING:..............66 TONS ( 59.9 METRIC TONS)
INSPECTION DATES
(90) INSPECTION DATE: 06/21/2021 (91) FREQ. OF INSP: 24 MONTHS (92 / 93) CRITICAL FEATURE INSPECTION (CFI):
(219) ADD. STUDIES NEEDED: N - 0 - NONE (A) FRACTURE CRITICAL:.......... N
(220) SPECIAL STUDY TYPE: 0 - NONE INSP. EVERY MONTHS - LAST INSP:
(221) SPECIAL STUDY DATE: (B) UNDERWATER:..................... N
INSP. EVERY MONTHS - LAST INSP:
(C) SPECIAL INSPECTION:........ N
INSP. EVERY MONTHS - LAST INSP:
STRUCTURE INVENTORY AND APPRAISAL STRUCTURE NO. 9830-014P
GEOMETRY, TRAFFIC, AND NAVIGATIONAL DATA
(16) LATITUDE:................................ 63° 31'08 90" (51) CURB TO CURB WIDTH:............ 28.0 FT ( 8.5 M)
(17) LONGITUDE:............................150°02 '39 20" (52) DECK WIDTH:.......................... 31.5 FT ( 9.6 M)
(19) DETOUR LENGTH:.................. 199 MI ( 199 KM) (32) APPR. ROADWAY WIDTH:...... 28.0 FT ( 8.5 M)
(28A) LANES ON STRUCT:.............02 (213) APPR. PAVEMENT WIDTH:... 28.0 FT ( 8.5 M)
(28B) LANES UNDER STRUCT:......00 LEFT SHOULDER:............... 0 0 FT ( 0 M)
(42A) SERVICE ON:.........................1 - HIGHWAY RIGHT SHOULDER:.......... 0 0 FT ( 0 M)
(42B) SERVICE UNDER:................. 5 - WATERWAY (33) BRIDGE MEDIAN:.................... 0 - NO MEDIAN
(29) AVG DAILY TRAFFIC:..............300 (34) SKEW ANGLE:......................... 0 °
(30) YEAR OF ADT:......................... 2013 (35) STRUCTURE FLARED:............ 0 - NO FLARE
(114) FUTURE ADT:.........................500 (47) TOTAL HORIZ. CLEARANCE:.. 24 FT ( 7.3 M)
(115) YEAR OF FUTURE ADT:........2033 (50) SIDEWALKS
(101) PARALLEL STRUCTURE:......N - NO PARALLEL STRUCTURE LEFT:.................................... 1 8 FT ( 0.5 M)
(38) NAVIGATION CONTROL:.........0 - NO NAVIGATION CONTROL ON RIGHT:.................................. 1 8 FT ( 0.5 M)
WATERWAY (BRIDGE PERMIT NOT
REQUIRED)
(39) VERTICAL CLEARANCE:.........0 FT ( 0 M) (214) BRIDGE RAIL TYPE
1 - FULL HEIGHT (NO PARAPET)(40) HORIZ. CLEARANCE:..............0 FT ( 0 M) RAIL CONFIGURATION:
(111) ABUT OR PIER PROT:........... MATERIAL:........................... 1 - CONCRETE
LATERAL UNDERCLEARANCE: DESIGN TYPE:..................... 1 - CONTINUOUS RAIL
(55) RIGHT:...............................00 FT ( 0 M) (215) BRIDGE RAIL HEIGHT:.......... 2 33 FT ( 0.71 M)
(56) LEFT:................................ 0 FT ( 0 M) (53) MIN. VRT. CLR. OVER DECK: 99.99 FT ( 99.99 M)
(54) MIN. VRT. UNDRCLRANCE:... .00 FT ( 0 M)
CONDITION AND APPRAISAL DATA, PROPOSED IMPROVEMENTS, AND COST
(58) DECK:....................................... 6 (67) STRUCTURAL EVALUATION:
(59) SUPERSTRUCTURE:...............6 (68) DECK GEOMETRY:
(60) SUBSTRUCTURE:.......... 6 (69) UNDERCLEARANCES:................ N
(61) CHANNEL:................................6 (71) WATERWAY ADEQUACY:
(62) CULVERT:.................................N (72) APPROACH ALIGNMENT:
(222) APPROACHES:...................... 6 (113) SCOUR CRITICAL:.................... 5 - SCOUR WITHIN LIMITS OF
FOOTING OR PILES
(223) RETAINING WALL:.................N (225) PROPOSE OF IMPROVEMENT: 2 - REHAB/RECONSTRUCTION
(36) TRAFFIC SAFETY FEAT: 1 N N N (226) PRIORITY OF IMPROVEMENT: D - MINOR
ADDITIONAL INFORMATION
(230) STRUCTURE HISTORY:
(231) ADDITIONAL CONSIDERATIONS:
CALCIUM CHLORIDE IS USED ON BRIDGE APPROACHES.
(330) ADDITIONAL CONFIGURATION INFORMATION:
SPAN #1 - #4 - LENGTH 94.6', 119', 119', & 94.6'
Inspector: Jordan Hensley Structure Number: 9830014P0000000
Inpsection Date: 06/21/2021 Facility Carried: DENALI PARK ROAD
Bridge Inspection Report
Pictures
PHOTO 3
Description LOOKING WEST
PHOTO 4
Description NORTH (DOWNSTREAM) PROFILE (PHOTO FROM 2019 INSPECTION)
Bridge Inspection Report
Pictures
PHOTO 5
Description GENERAL TOPSIDE VIEW, LOOKING WEST
PHOTO 6
Description TYPICAL VIEW OF BRIDGE CURB AND RAIL, DOWNSTREAM SIDE SHOWN
Bridge Inspection Report
Pictures
PHOTO 7
Description TYPICAL LIGHT TRANSVERSE CRACKING IN THE TOP OF THE DECK
PHOTO 8
Description TYPICAL LIGHT TRANSVERSE CRACKING OF CURB, DOWNSTREAM CURB SHOWN
Bridge Inspection Report
Pictures
PHOTO 9
Description SPALLING OF DECK OVER THE CENTER PIER
PHOTO 10
Description CLOSE-UP VIEW OF SPALLING OF DECK OVER CENTER PIER
Bridge Inspection Report
Pictures
PHOTO 11
Description GENERAL UNDERSIDE VIEW OF SUPERSTRUCTURE, SPAN #1 LOOKING WEST
PHOTO 12
Description GENERAL UNDERSIDE VIEW OF SUPERSTRUCTURE, SPAN #2 LOOKING EAST
Bridge Inspection Report
Pictures
PHOTO 13
Description GENERAL UNDERSIDE VIEW OF SUPERSTRUCTURE, SPAN #3 LOOKING EAST
PHOTO 14
Description GENERAL UNDERSIDE VIEW OF SUPERSTRUCTURE, SPAN #4 LOOKING EAST
Bridge Inspection Report
Pictures
PHOTO 15
Description TYPICAL LIGHT TRANSVERSE CRACKING ON SIDES OF BOX GIRDER, UPSTREAM SIDE OF
BEAM IN SPAN #3 SHOWN
PHOTO 16
Description GENERAL VIEW OF EAST ABUTMENT
Bridge Inspection Report
Pictures
PHOTO 17
Description GENERAL VIEW OF EAST PIER, LOOKING EAST
PHOTO 18
Description LIGHT HORIZONTAL CRACKING ON UPSTREAM END OF EAST PIER
Bridge Inspection Report
Pictures
PHOTO 19
Description GENERAL VIEW OF CENTER PIER, LOOKING WEST
PHOTO 20
Description GENERAL VIEW OF CENTER PIER, LOOKING EAST
Bridge Inspection Report
Pictures
PHOTO 21
Description GENERAL VIEW OF WEST PIER, LOOKING EAST
PHOTO 22
Description SPALLING WITH EXPOSED REBAR, DOWNSTREAM END OF THE WEST FACE OF THE
WEST PIER SHOWN
Bridge Inspection Report
Pictures
PHOTO 23
Description SPALLING AND EXPOSED REBAR, DOWNSTREAM END OF EAST FACE OF WEST PIER
SHOWN
PHOTO 24
Description GENERAL VIEW OF WEST ABUTMENT
Bridge Inspection Report
Pictures
PHOTO 25
Description GENERAL VIEW OF SHEETPILING UPSTREAM OF THE WEST ABUTMENT
PHOTO 26
Description EAST APPROACH
Bridge Inspection Report
Pictures
PHOTO 27
Description WEST APPROACH
PHOTO 28
Description SOUTH (UPSTREAM) CHANNEL
Bridge Inspection Report
Pictures
PHOTO 29
Description NORTH (DOWNSTREAM) CHANNEL
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