Total Bridges
909
Public highway bridges in Alaska
State profile · Above median Poor share
Alaska bridge safety
Condition ratings, load ratings, and Poor-condition data for every public highway bridge in Alaska, based on the FHWA National Bridge Inventory.
- 909
- Public bridges
- 42.0%
- Good condition
- 10.1%
- Poor condition
Data updated May 2026
Good Condition
42.0%
382 bridges rated 7-9
-8.0pp vs 50% benchmark
Poor Condition
10.1%
92 bridges whose lowest applicable component is rated 0-4
3.1pp vs national avg 7.0%
Alaska vs national bridge condition
Alaska - Good condition share 42.0%
National avg
Share of bridges rated 7-9 on the FHWA 0-9 scale (deck, superstructure, substructure all good).
Alaska - Poor-condition share 33.7%
National avg
Lower is better. Bar maxes at 30% (worst-state ceiling). National average sits at 7.0%.
Condition Distribution
Counties (30)
Aleutians East 3 Aleutians West 1 Anchorage 35 Bethel 9 Bristol Bay 1 Chugach 18 Copper River 23 Denali 11 Dillingham 0 Fairbanks North Star 42 Haines 13 Hoonah-Angoon 115 Juneau City and 17 Kenai Peninsula 45 Ketchikan Gateway 56 Kodiak Island 8 Kusilvak 0 Lake and Peninsula 1 Matanuska-Susitna 26 Nome 18 North Slope 2 Northwest Arctic 3 Petersburg 115 Prince of Wales-Hyder 185 Sitka City and 32 Skagway 3 Southeast Fairbanks 32 Wrangell City and 55 Yakutat City and 6 Yukon-Koyukuk 34
Alaska vs nearby ranks
Adjacent states by Poor-condition share (lower share = better)
States are ranked by the share of bridges whose lowest applicable component rating is 4 or below. This describes recorded condition; it does not measure funding effectiveness or live crossing safety. States here sit immediately above and below Alaska on the same metric.
MO
Missouri
8.53% top marginal rate
MI
Michigan
8.92% top marginal rate
AK
Alaska
10.12% top marginal rate
PA
Pennsylvania
10.50% top marginal rate
ND
North Dakota
10.84% top marginal rate
Bridges Needing Most Attention in Alaska
Six lowest-condition bridges in Alaska, ranked by the portal's composite display score. Inspection intervals are risk-based under current NBIS rules.
SECTION LINE RD
PoorOver: LITTLE CHENA RIVER
MILE POINT 10.2, Fairbanks North Star, AK
Built 1980 Load: 1.6 t ADT: 20
NO DATA ENTERED
PoorOver: PALMER CREEK
PALMER CREEK ROAD, Kenai Peninsula, AK
Built 1957 Load: 2.7 t ADT: 10
IRR BIA RTE 26
PoorOver: UNNAMED STREAM
10.7KM PAST TOTEM WAY, Prince of Wales-Hyder, AK
Built 1980 Load: 2.7 t ADT: 20
FDR 6540
PoorOver: STREAM - HAMILTON 60R36
ETOLIN ISLAND, Wrangell City and, AK
Built 1982 Load: 2.7 t
IRR BIA RTE 8PGH
PoorOver: UNNAMED CREEK
14.2 Mi SE of Port Graham, Kenai Peninsula, AK
Built 1997 Load: 3.6 t ADT: 5
IRR BIA RTE 461
PoorOver: UNNAMED CREEK
5.6 MILES EAST OF HYDABUR, Prince of Wales-Hyder, AK
Built 1980 Load: 3.6 t ADT: 10
All Bridges in Alaska
IRR BIA RTE 1026
FairOver: UNNAMED CREEK
6.5 MI SE OF PORT GRAHAM, Kenai Peninsula, AK
Built 1996 Load: 21.8 t ADT: 10
GRANT STREET
FairOver: GRANT STREET VIADUCT
MILE POINT 0.1, Ketchikan Gateway, AK
Built 1970 Load: 21.8 t ADT: 1,016
UNNAMED ROAD
FairOver: UNNAMED CREEK
19.6 MI E OF HYDABURG HWY, Prince of Wales-Hyder, AK
Built 1992 Load: 21.8 t ADT: 10
RICHARDSON HIGHWAY
FairOver: TRIMS CREEK
MILE POINT 221.6, Southeast Fairbanks, AK
Built 1954 Load: 21.8 t ADT: 280
NO DATA ENTERED
FairOver: NO DATA ENTERED
TONKA, Petersburg, AK
Built 2006 Load: 22.0 t ADT: 5
NO DATA ENTERED
FairOver: NO DATA ENTERED
SHAHEEN, Prince of Wales-Hyder, AK
Built 2004 Load: 22.0 t
HAINES HIGHWAY
FairOver: CHILKAT RIVER
MILE POINT 23.2, Haines, AK
Built 1958 Load: 22.4 t ADT: 340
RICHARDSON HIGHWAY
FairOver: MCCALLUM CREEK
MILE POINT 205.2, Southeast Fairbanks, AK
Built 1954 Load: 22.4 t ADT: 280
IRR BIA RTE 27
FairOver: GUNNUK CREEK TRIBUTARY
10KM FROM START OF FS6040, Prince of Wales-Hyder, AK
Built 1980 Load: 22.6 t ADT: 5
IRR BIA RTE 1082
FairOver: WINDY CREEK LEFT
9.5 Mi SE OF PORT GRAHAM, Kenai Peninsula, AK
Built 1997 Load: 22.7 t ADT: 10
IRR BIA RTE 461
FairOver: UNNAMED CREEK
17.8 MILES EAST OF HYDABU, Prince of Wales-Hyder, AK
Built 1995 Load: 22.7 t ADT: 10
LUTAK SPUR
FairOver: CHILKOOT RIVER
MILE POINT 4.8, Haines, AK
Built 1979 Load: 22.9 t ADT: 90
RICHARDSON HIGHWAY
FairOver: GUNNY SACK CREEK
MILE POINT 229.7, Southeast Fairbanks, AK
Built 1954 Load: 23.0 t ADT: 240
NO DATA ENTERED
FairOver: MOD
GRAVINA, Ketchikan Gateway, AK
Built 1990 Load: 23.7 t ADT: 10
LOGGING ROAD
FairOver: STREAM
KUPREANOF ISLAND AT KAKE, Petersburg, AK
Built 1978 Load: 23.7 t ADT: 10
LOGGING ROAD
FairOver: NO DATA ENTERED
KUIU ISLAND, Petersburg, AK
Built 1979 Load: 23.7 t
RICHARDSON HIGHWAY
FairOver: LOWER MILLER CREEK
MILE POINT 219.5, Southeast Fairbanks, AK
Built 1958 Load: 23.8 t ADT: 280
IRR:STEESE HIGHWAY
FairOver: BIRCH CREEK
MILE POINT 141.3, Yukon-Koyukuk, AK
Built 1957 Load: 24.1 t ADT: 110
GLENN HWY SPUR
FairOver: LITTLE NELCHINA RIVER
MP 137.6 AK STATE DIV PKS, Copper River, AK
Built 1952 Load: 24.4 t ADT: 765
FROSTY ROAD
FairOver: THIRD CREEK
FROSTY ROAD SW COLD BAY, Aleutians East, AK
Built 1991 Load: 24.5 t ADT: 1
CALHOUN AVENUE
FairOver: CALHOUN VIADUCT
MILE POINT 0.2, Juneau City and, AK
Built 1934 Load: 24.5 t ADT: 2,816
DENALI HIGHWAY
FairOver: CLEARWATER CREEK
MILE POINT 55.9, Matanuska-Susitna, AK
Built 1957 Load: 24.5 t ADT: 50
IRR:LOST RIVER RD
FairOver: LOST RIVER
MILE POINT 5.9, Yakutat City and, AK
Built 1985 Load: 24.5 t ADT: 100
DENALI PARK ROAD
FairOver: SANCTUARY RIVER
22.96 MILES WEST OF AK RO, Yukon-Koyukuk, AK
Built 1956 Load: 24.5 t ADT: 1,300
DENALI PARK ROAD
FairOver: IGLOO CREEK
34.26 MILES WEST OF AK RO, Yukon-Koyukuk, AK
Built 1966 Load: 24.5 t ADT: 1,300
DENALI PARK ROAD
FairOver: IGLOO CREEK
37.18 MILES WEST OF AK R, Yukon-Koyukuk, AK
Built 1956 Load: 24.5 t ADT: 1,300
BACK LOOP RD
FairOver: LAKE CREEK
MILE POINT 3.3, Juneau City and, AK
Built 1968 Load: 24.9 t ADT: 2,770
STERLING HIGHWAY
FairOver: COOPER CREEK
MILE POINT 13.7, Kenai Peninsula, AK
Built 1955 Load: 24.9 t ADT: 3,150
BIG LAKE ROAD
FairOver: FISH CREEK
MILE POINT 5.0, Matanuska-Susitna, AK
Built 1973 Load: 24.9 t ADT: 1,610
NORTH DOUGLAS HWY
FairOver: FISH CREEK
MILE POINT 7.3, Juneau City and, AK
Built 1950 Load: 25.1 t ADT: 740
IRR:NOME-TAYLOR RD
FairOver: NOME RIVER
MILE POINT13.2, Nome, AK
Built 1973 Load: 25.1 t ADT: 160
IRR BIA RTE 461
FairOver: UNNAMED CREEK
18.6 MILES EAST OF HYDABU, Prince of Wales-Hyder, AK
Built 1997 Load: 25.4 t ADT: 10
PARKS HIGHWAY
FairOver: KASHWITNA RIVER
MILE POINT 48.3, Matanuska-Susitna, AK
Built 1962 Load: 25.5 t ADT: 2,640
PARKS HIGHWAY
FairOver: HURRICANE GULCH
MILE POINT 139.7, Matanuska-Susitna, AK
Built 1971 Load: 25.5 t ADT: 940
DENALI HIGHWAY
FairOver: TANGLE RIVER
MILE POINT 21.4, Copper River, AK
Built 1954 Load: 26.1 t ADT: 140
IRR BIA RTE 27
FairOver: JENNY CREEK
2KM NORTH OF T IN FS6040, Prince of Wales-Hyder, AK
Built 1980 Load: 26.2 t ADT: 5
EIEL PIPELINE ROAD
FairOver: FRENCH CREEK
1 mile behind locked gate, Fairbanks North Star, AK
Built 1990 Load: 26.3 t ADT: 10
INTL AIRPORT RD
FairOver: INTL AIRPORT RD OVERHEAD
MILE POINT 1.9, Anchorage, AK
Built 1973 Load: 26.5 t ADT: 12,800
BASIN ROAD
FairOver: GOLD CREEK
MILE POINT 0.6, Juneau City and, AK
Built 1938 Load: 26.6 t ADT: 280
STERLING HIGHWAY
FairOver: KASILOF RIVER
MILE POINT 71.2, Kenai Peninsula, AK
Built 1966 Load: 26.6 t ADT: 5,770
PARKS HIGHWAY
FairOver: HONOLULU CREEK
MILE POINT 143.8, Matanuska-Susitna, AK
Built 1971 Load: 26.9 t ADT: 940
IRR:MARINE HWY RTE
FairOver: METLAKATLA FERRY TERM
METLAKATLA, Prince of Wales-Hyder, AK
Built 1973 Load: 27.1 t ADT: 100
IRR BIA RTE 1017
FairOver: UNNAMED CREEK
0.36 MI NORTH OF BIG SALT, Prince of Wales-Hyder, AK
Built 2020 Load: 27.2 t ADT: 30
IRR BIA ROUTE 008
FairOver: UNNAMED STREAM
S OF KLAWOCK LAKE, 4.2 MI, Prince of Wales-Hyder, AK
Built 1990 Load: 27.2 t ADT: 1
IRR BIA RTE 461
FairOver: UNNAMED CREEK
9.3 MILES EAST OF HYDABUR, Prince of Wales-Hyder, AK
Built 1982 Load: 27.2 t ADT: 10
DENALI PARK ROAD
FairOver: TEKLANIKA RIVER
31.43 MILES WEST OF AK RO, Yukon-Koyukuk, AK
Built 1955 Load: 27.2 t ADT: 1,300
IRR BIA RTE 15
FairOver: UNNAMED STREAM
26.0KM SOUTHEAST OF KAKE, Prince of Wales-Hyder, AK
Built 1980 Load: 27.8 t ADT: 1
NORTH TONGASS HWY
FairOver: CARLANNA CREEK
MILE POINT 0.3, Ketchikan Gateway, AK
Built 1973 Load: 27.9 t ADT: 9,210
MARINE HWY ROUTE
FairOver: KETCHIKAN BERTH I
MILE POINT 0.2, Ketchikan Gateway, AK
Built 1988 Load: 28.1 t ADT: 164
PARKS HIGHWAY
FairOver: JACK RIVER
MILE POINT 174.1, Denali, AK
Built 1965 Load: 28.2 t ADT: 900
Showing 151-200 of 909 bridges
Related
Data sourced from the FHWA National Bridge Inventory (NBI), latest released cycle. See our methodology for details. Retrieved and formatted by PlainBridges.
Disclaimer: This information is provided for informational purposes only and does not constitute professional advice. Data is sourced from the FHWA National Bridge Inventory (NBI). Poor condition is an inspection-record category, not a closure or unsafe-to-cross designation. Consult the bridge owner for current status.
Understanding Bridge Conditions
How FHWA rates bridge condition on a 0-9 scale.
Check Your Daily Bridges
How to look up bridge condition data for bridges on your route.
Read our methodology — how this data is sourced, computed, and verified.
Every figure on PlainBridge is rendered directly from federal source data, no number is typed in by an editor. This page draws directly on federal source data, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.