9830-013P - TOKLAT RIVER BRIDGE NO. 1 - INSPECTION REPORT 2021.pdf
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- AK NPS DENA 10(49), Polychrome Area Improvements
- Solicitation number
- 69056722R000015
About this file
This is a bridge inspection report for the Toklat River Bridge No. 1 located in Denali National Park and Preserve. The report provides details on the structure inventory, appraisal, condition ratings, load ratings, inspection photos and findings. Key details include the bridge number 9830013P0000000, four span concrete box girder design, 430 foot long structure carrying Denali Park Road over the Toklat River, last inspected on June 21, 2021, and recommendations for continued sheetpile installation along the downstream side of the west abutment and addressing erosion at abutment corners. Scour is noted as a critical feature requiring protection of exposed foundations.
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BRIDGE INSPECTION REPORT
TOKLAT RIVER BRIDGE NO. 1
DENALI PARK ROAD OVER TOKLAT RIVER
DENALI NATIONAL PARK & PRESERVE
LOOKING EAST TOWARD DENALI VISITOR CENTER
STRUCTURE NO. 9830-013P
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. 9830-013P
TOKLAT RIVER BRIDGE NO. 1 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 45 41 76 69
TYPE 3 59 54 98 89
TYPE 3S2 62 56 105 95
TYPE 3-3 66 60 110 100
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: 05/23/2016
LOAD RATING CONTROLLED BY: MOMENT CAPACITY OF CONCRETE DECK
REMARKS: SEE BRIDGE FILE FOR LOAD RATING CALCULATIONS.
STRUCTURE INVENTORY AND APPRAISAL STRUCTURE NO. 9830-013P
STRUCTURE IDENTIFICATION
(201) PARK: DENALI NATIONAL PARK & PRESERVE
(202) STRUCTURE NAME:..............TOKLAT RIVER BRIDGE NO. 1
(203) STRUCTURE KIND:............... 1 - BRIDGE
(204) STRUCTURE NUMBER:.........9830-013 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
9830013P0000000
53.33 MILES WEST OF AK ROUTE 3
(MP 237.3) ON DENALI PARK ROAD.
99.99 FT ( 99.99 M)
53.33 (KM PT: 16.25)
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. 9830-013P
GEOMETRY, TRAFFIC, AND NAVIGATIONAL DATA
(16) LATITUDE:................................ 63° 31'07.40" (51) CURB TO CURB WIDTH:............ 28.0 FT ( 8.5 M)
(17) LONGITUDE:............................150°01 '54.60" (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:....................................... 7 (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:...................... 7 (113) SCOUR CRITICAL:.................... 4 - ACTION IS REQUIRED TO
PROTECT EXPOSED FOUNDATIONS
(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 93', 119', 119', & 94 5'; Type 206 (Conc Box Girder)
Inspector: Jordan Hensley Structure Number: 9830013P0000000
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 TYPICAL VIEW OF BRIDGE CURB AND RAIL, UPSTREAM SIDE SHOWN (PHOTO FROM 2019
INSPECTION)
Bridge Inspection Report
Pictures
PHOTO 7
Description TYPICAL LIGHT TRANSVERSE CRACKING OF THE DECK
PHOTO 8
Description TYPICAL TRANSVERSE CRACKING OF CURB, DOWNSTREAM CURB SHOWN
Bridge Inspection Report
Pictures
PHOTO 9
Description GENERAL UNDERSIDE VIEW OF SUPERSTRUCTURE, SPAN #1 LOOKING WEST
PHOTO 10
Description GENERAL UNDERSIDE VIEW OF SUPERSTRUCTURE, SPAN #2 LOOKING WEST
Bridge Inspection Report
Pictures
PHOTO 11
Description GENERAL UNDERSIDE VIEW OF SUPERSTRUCTURE, SPAN #3 LOOKING WEST
PHOTO 12
Description GENERAL UNDERSIDE VIEW OF SUPERSTRUCTURE, SPAN #4 LOOKING EAST
Bridge Inspection Report
Pictures
PHOTO 13
Description GENERAL VIEW OF EAST ABUTMENT
PHOTO 14
Description GENERAL VIEW OF EAST PIER, LOOKING EAST
Bridge Inspection Report
Pictures
PHOTO 15
Description GENERAL VIEW OF EAST PIER, LOOKING WEST
PHOTO 16
Description GENERAL VIEW OF CENTER PIER, LOOKING WEST (PHOTO FROM 2019 INSPECTION)
Bridge Inspection Report
Pictures
PHOTO 17
Description GENERAL VIEW OF CENTER PIER, LOOKING EAST (PHOTO FROM 2019 INSPECTION)
PHOTO 18
Description GENERAL VIEW OF WEST PIER, LOOKING WEST
Bridge Inspection Report
Pictures
PHOTO 19
Description GENERAL VIEW OF THE WEST PIER LOOKING EAST
PHOTO 20
Description GENERAL VIEW OF WEST ABUTMENT
Bridge Inspection Report
Pictures
PHOTO 21
Description GENERAL VIEW OF SHEETPILING ON THE UPSTREAM SIDE BY THE EAST ABUTMENT
PHOTO 22
Description CLOSE-UP VIEW OF SHEETPILING UPSTREAM OF THE EAST ABUTMENT; NOTE, OVERTOPPING OF SHEETPILING
Bridge Inspection Report
Pictures
PHOTO 23
Description ANOTHER VIEW OF OVERTOPPING OF SHEETPILING UPSTREAM OF THE EAST
ABUTMENT
PHOTO 24
Description GENERAL VIEW OF SHEETPILING AT UPSTREAM CORNER OF WEST ABUTMENT
Bridge Inspection Report
Pictures
PHOTO 25
Description GENERAL VIEW OF SHEETPILING AT WEST ABUTMENT; NOTE, SHEETPILING ENDS AT THE
DOWNSTREAM CORNER
PHOTO 26
Description GENERAL VIEW OF END OF SHEETPILING AT DOWNSTREAM CORNER OF WEST
ABUTMENT
Bridge Inspection Report
Pictures
PHOTO 27
Description GENERAL VIEW OF RECOMMENDED LOCATION FOR CONTINUED SHEETPILING ALONG
DOWNSTREAM SIDE OF WEST ABUTMENT
PHOTO 28
Description ERODED EMBANKMENT PAST DOWNSTREAM CORNER OF WEST ABUTMENT, RECOMMENDED LOCATION FOR CONTINUED SHEETPILING
Bridge Inspection Report
Pictures
PHOTO 29
Description TYPICAL EROSION AT ABUTMENT CORNERS, UPSTREAM CORNER OF WEST ABUTMENT
SHOWN
PHOTO 30
Description EAST APPROACH
Bridge Inspection Report
Pictures
PHOTO 31
Description WEST APPROACH
PHOTO 32
Description SOUTH (UPSTREAM) CHANNEL
Bridge Inspection Report
Pictures
PHOTO 33
Description NORTH (DOWNSTREAM) CHANNEL
PHOTO 34
Description GENERAL VIEW OF EROSION OF BANK, DOWNSTREAM OF PIER #1
Bridge Inspection Report
Pictures
PHOTO 35
Description GENERAL VIEW OF EROSION OF BANK, DOWNSTREAM OF EAST PIER
PHOTO 36
Description EROSION OF BANK, CHANNEL SECTION DOWNSTREAM OF EAST PIER
File details come from the government source that posted it. Updated .