9830-012P - EAST FORK TOKLAT RIVER BRIDGE - INSPECTION REPORT 2021.pdf
PDF 3 MB Posted
- Attached to
- AK NPS DENA 10(49), Polychrome Area Improvements
- Solicitation number
- 69056722R000015
About this file
This bridge inspection report details the condition of the East Fork Toklat River Bridge located in Denali National Park and Preserve in Alaska. The three-span steel bridge was built in 1955 and last inspected on June 21, 2021. It carries the Denali Park Road over the East Fork Toklat River. The inspection found the bridge's superstructure, substructure and deck to be in fair condition overall with some minor cracking and spalling present. The inventory and operating ratings meet or exceed expected loads. Routine maintenance is recommended.
The related federal contract opportunity is a solicitation issued by the Department of Transportation Federal Highway Administration to improve areas in the Polychrome Historic District of Denali National Park and Preserve in Alaska. Details provided in the solicitation and attachments include the required scope of work, response date, and award terms.
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Text version
BRIDGE INSPECTION REPORT
EAST FORK TOKLAT RIVER BRIDGE
DENALI PARK ROAD OVER EAST FORK TOKLAT RIVER
DENALI NATIONAL PARK & PRESERVE
LOOKING EAST TOWARD DENALI VISITOR CENTER
STRUCTURE NO. 9830-012P
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
58.6 FLOW METER MOUNTED TO DOWNSTREAM RAIL OVER WEST SPAN.
STRUCTURE LOAD RATING STRUCTURE NO. 9830-012P
EAST FORK TOKLAT RIVER BRIDGE INSPECTION DATE: 06/20/2021
TRUCK TYPE
INVENTORY RATING (NORMAL TRAFFIC) OPERATING RATING (MAXIMUM LOAD)
TONS METRIC TONS TONS METRIC TONS
H 25 23 42 38
HS 32 29 54 49
TYPE 3 33 30 55 50
TYPE 3S2 46 42 78 71
TYPE 3-3 58 53 97 88
DESIGN LOADING: 3 - HS 15
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: 05/17/2016
LOAD RATING CONTROLLED BY: POSITIVE MOMENT, END SPAN
REMARKS: NEGATIVE MOMENT (H); POSITIVE MOMENT IN END SPANS (HS, TYPE 3, TYPE 3-3).
SEE BRIDGE FILE FOR LOAD RATING CALCULATIONS.
STRUCTURE INVENTORY AND APPRAISAL STRUCTURE NO. 9830-012P
EAST FORK TOKLAT RIVER BR DGE INSPECTION DATE: 06/20/2021
STRUCTURE IDENTIFICATION
(201) PARK: DENALI NATIONAL PARK & PRESERVE
(202) STRUCTURE NAME:..............EAST FORK TOKLAT RIVER BRIDGE
(203) STRUCTURE KIND:............... 1 - BRIDGE
(204) STRUCTURE NUMBER:.........9830-012 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:.................PARK
(211) PROJECT NO(S):
(212) DRAWING NUMBERS:
(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
EAST FORK TOKLAT RIVER
DENALI PARK ROAD
9830012P0000000
43.52 MILES WEST OF AK ROUTE (MP
237.3) ON DENALI PARK ROAD.
99.99 FT ( 99.99 M)
43.52 (KM PT: 13.26)
3 - ON FREE ROAD
5 - NOT ELIGIBLE
STRUCTURE DESCRIPTION, FOUNDATION, AND DECK TYPE
(43A) MAIN STR. MATERIAL:..........4 - STEEL CONTINUOUS
(43B) MAIN STR. TYPE:.................. 02 - STRINGER/MULTI-BEAM OR
GIRDER
(45) NO. OF MAIN SPANS:
(48) MAX. SPAN LENGTH:..............88 FT ( 26.8 M)
(49) STRUCTURE LENGTH:........... 283. FT ( 86.3 M)
(216A) ABUTMENT #1 FDN:........... 2 - SPREAD FTG ON BEARING MAT'L
(216B) ABUTMENT #2 FDN:........... 2 - SPREAD FTG ON BEARING MAT'L
(217A) PREDOM. PIER FDN:.......... 3 - SPREAD FOOTING ON PILES
(217B) SECOND. PIER FDN:.......... 3 - SPREAD FOOTING ON PILES
(107) DECK TYPE:.......................... 1 - CONCRETE CAST-IN-PLACE
(44A) APPR. STR. MATERIAL:............ 1 - Concrete
(44B) APPR. STR. TYPE:.................... 04 - TEE BEAM
(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:.........................3 - HS 15 (41) LOAD RESTRICTION:.................. A - OPEN
(66) INVENTORY RATING:..............22 METRIC TONS) (70) BRIDGE POSTING:...................... 5 - EQUAL TO OR ABOVE LEGALTONS ( 20
LOADS
(64) OPERATING RATING:..............32 TONS ( 29 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: 5 - SCOUR INSP. EVERY MONTHS - LAST INSP:
(221) SPECIAL STUDY DATE: 09/01/1998 (B) UNDERWATER:..................... N
INSP. EVERY MONTHS - LAST INSP:
(C) SPECIAL INSPECTION:........ N
INSP. EVERY MONTHS - LAST INSP:
Inspector: Jordan Hensley Structure Number: 9830012P0000000
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
Bridge Inspection Report
Pictures
PHOTO 5
Description GENERAL TOPSIDE VIEW, LOOKING WEST
PHOTO 6
Description GENERAL VIEW OF EXPANSION JOINT OVER WEST ABUTMENT
Bridge Inspection Report
Pictures
PHOTO 7
Description GENERAL VIEW OF EXPANSION JOINT OVER EAST ABUTMENT
PHOTO 8
Description TYPICAL VIEW OF BRIDGE CURB AND RAIL, UPSTREAM SIDE SHOWN
Bridge Inspection Report
Pictures
PHOTO 9
Description GENERAL UNDERSIDE VIEW OF SUPERSTRUCTURE, EAST SPAN LOOKING WEST
PHOTO 10
Description GENERAL UNDERSIDE VIEW OF SUPERSTRUCTURE, MIDDLE SPAN LOOKING EAST
Bridge Inspection Report
Pictures
PHOTO 11
Description GENERAL UNDERSIDE VIEW OF SUPERSTRUCTURE, WEST SPAN LOOKING EAST
PHOTO 12
Description TYPICAL MINOR TRANSVERSE CRACKING ON UNDERSIDE OF DECK, MIDDLE SPAN
SHOWN
Bridge Inspection Report
Pictures
PHOTO 13
Description SPALL AND DELAMINATION OF BACKWALL, UPSTREAM END AT EAST ABUTMENT
PHOTO 14
Description GENERAL VIEW OF EAST ABUTMENT
Bridge Inspection Report
Pictures
PHOTO 15
Description GENERAL VIEW OF EAST PIER, LOOKING EAST
PHOTO 16
Description GENERAL VIEW OF WEST PIER, LOOKING WEST
Bridge Inspection Report
Pictures
PHOTO 17
Description GENERAL VIEW WEST PIER, LOOKING EAST
PHOTO 18
Description GENERAL VIEW OF WEST ABUTMENT
Bridge Inspection Report
Pictures
PHOTO 19
Description GENERAL VIEW OF WEST ABUTMENT, LOOKING UPSTREAM
PHOTO 20
Description GENERAL VIEW OF SHEETPILING AT THE UPSTREAM SIDE OF THE WEST ABUTMENT
Bridge Inspection Report
Pictures
PHOTO 21
Description GENERAL VIEW OF SHEET PILING ON THE UPSTREAM SIDE OF THE WEST ABUTMENT
PHOTO 22
Description EAST APPROACH
Bridge Inspection Report
Pictures
PHOTO 23
Description WEST APPROACH
PHOTO 24
Description SOUTH (UPSTREAM) CHANNEL
Bridge Inspection Report
Pictures
PHOTO 25
Description NORTH (DOWNSTREAM) CHANNEL
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