Worst Bridges in Alaska
Bridges with the lowest condition ratings in Alaska. Alaska has 133 bridges in poor condition (7.9% of 1,685 total bridges).
1,685
Total Bridges
7.9%
In Poor Condition
133
Poor Bridges
133
Rating 0-4
Understanding Bridge Conditions in Alaska
Alaska's bridge infrastructure reflects decades of construction, maintenance, and replacement decisions influenced by geography, climate, traffic patterns, and available funding. With 133 bridges currently rated in poor condition (7.9% of the total inventory), understanding what these ratings mean helps residents and policymakers make informed decisions about infrastructure investment.
Federal inspectors evaluate three key components on every highway bridge: the deck (the driving surface and its immediate supports), the superstructure (beams, girders, trusses, or other primary load-carrying members), and the substructure (piers, abutments, and foundations that transfer loads to the ground). Each component receives a rating from 0 to 9, with the lowest of these three ratings determining the overall condition category. A rating of 4 or below classifies a bridge as “poor,” indicating significant structural deterioration that warrants prioritized attention.
Poor-rated bridges remain safe for use at their posted limits because federal law requires that any bridge with load-carrying deficiencies be either repaired, posted with weight restrictions, or closed. Many poor-rated bridges receive more frequent inspections than the standard 24-month cycle, allowing engineers to monitor deterioration rates and ensure conditions have not worsened beyond safe operating limits. Weight restrictions protect the structure while allowing continued service until rehabilitation or replacement can be funded and constructed.
Infrastructure investment decisions involve difficult trade-offs between maintaining aging structures and building new capacity. Bridges listed below represent the most deteriorated structures in Alaska's inventory, where rehabilitation or replacement investment would have the greatest impact on improving overall infrastructure condition. Understanding where these bridges are located helps communities advocate for appropriate funding and plan alternative routes when load restrictions affect commercial traffic.
Condition Rating Scale
Failed to Critical
Closed or severely restricted. Major deterioration requiring immediate action.
Serious to Poor
Significant deterioration affecting capacity. Often weight-restricted.
Fair
Minor deterioration visible. Maintenance recommended but not urgent.
Good to Excellent
Components in sound condition with no significant deficiencies.
Lowest Rated Bridges in Alaska
133 bridges rated 0-4 on the federal condition scale, sorted by lowest rating first. Showing first 50 — click below to expand.
| Rank | Bridge | Rating | Year Built | Condition |
|---|---|---|---|---|
| #1 | NUC CIRCLE ROAD over CREEK On Blair Lake Range. Con | 0 | 1998 | Poor |
| #2 | IRR BIA RTE 8PGH over UNNAMED CREEK 15.4 Mi SE of Port Graha | 0 | 1997 | Poor |
| #3 | IRR BIA RTE 1048 over WINDY CREEK RIGHT 16.6 Mi SE of Port Graham | 0 | 1997 | Poor |
| #4 | IRR BIA RTE 002 over UNNAMED STREAM NUIQSUT | 0 | 1980 | Poor |
| #5 | COPPER RIVER HWY over COPPER DELTA MILE POINT 36.2 | 1 | 1977 | Poor |
| #6 | IRR BIA RTE 1026 over UNNAMED CREEK 0.5 MI. N OF WINDY BAY RD | 1 | 1997 | Poor |
| #7 | IRR BIA RTE 8PGH over UNNAMED CREEK 14.5 Mi SE of Port Graham | 1 | 1997 | Poor |
| #8 | STERLING L/OPHIR over TAKOTNA RIVER MILE POINT 21.8 | 2 | 1941 | Poor |
| #9 | CACHE CREEK ROAD over FORTUNE CREEK FAIRBANKS DNR | 2 | 1991 | Poor |
| #10 | GRUBSTAKE-HATCHERS over WILLOW CREEK MILE POINT 0.1 | 2 | 1945 | Poor |
| #11 | LOGGING ROAD over STREAM KUPREANOF ISLAND AT KAKE | 2 | 2003 | Poor |
| #12 | IRR BIA RTE 1045 over UNNAMED STREAM 0.2KM NW OF BARGE LANDING | 2 | 1980 | Poor |
| #13 | LOGGING ROAD over STREAM SALT LAKE BAY | 2 | 2002 | Poor |
| #14 | ROAD over STREAM -1990 EIGHT FATHOM BIGHT | 2 | 1990 | Poor |
| #15 | LOGGING ROAD over FIRST CREEK HOMESHORE | 2 | 1985 | Poor |
| #16 | ROAD over STREAM SALT LAKE BAY | 2 | 2002 | Poor |
| #17 | PARKS HIGHWAY over HARDAGE CREEK MILE POINT 148.3 | 3 | 1971 | Poor |
| #18 | FOURTH AVENUE over SEWARD LAGOON MILE POINT 0.5 | 3 | 1960 | Poor |
| #19 | IRR BIA RTE 26 over UNNAMED STREAM 10.7KM PAST TOTEM WAY | 3 | 1980 | Poor |
| #20 | IRR BIA RTE 1026 over UNNAMED CREED 0.8 MI N OF WINDY BAY RD. | 3 | 1997 | Poor |
| #21 | NO DATA ENTERED over PALMER CREEK PALMER CREEK ROAD | 3 | 1957 | Poor |
| #22 | TANANA BRIDGE ROAD over BOUNDRY SLOUGH 1.4 KM W-SW TANANA R BR | 3 | 2012 | Poor |
| #23 | IRR BIA RTE 461 over UNNAMED CREEK 3.0 MI E. OF HYDABURG HWY | 3 | 1982 | Poor |
| #24 | IRR BIA RTE 461 over UNNAMED CREEK 5.6 MILES EAST OF HYDABUR | 3 | 1980 | Poor |
| #25 | IRR BIA RTE 461 over UNNAMED CREEK 5.9 MILES EAST OF HYDABUR | 3 | 1980 | Poor |
| #26 | IRR BIA RTE 8PGH over UNNAMED CREEK 14.2 Mi SE of Port Graham | 3 | 1997 | Poor |
| #27 | IRR BIA RTE 27 over UNNAMED STREAM 2.8KM NORTH OF LANDFILL | 3 | 1980 | Poor |
| #28 | FDR 6540 over STREAM - HAMILTON 60R36 ETOLIN ISLAND | 3 | 1982 | Poor |
| #29 | ROAD over NO DATA ENTERED SALT LAKE BAY | 3 | 2002 | Poor |
| #30 | SOUTH TONGASS HWY over WATER ST VIADUCT MILE POINT 1.7 | 4 | 1955 | Poor |
| #31 | SOUTH TONGASS HWY over HOADLEY CREEK MILE POINT 0.2 | 4 | 1957 | Poor |
| #32 | NORTH TONGASS HWY over WARD CREEK MILE POINT 4.6 | 4 | 1975 | Poor |
| #33 | MINNIE STREET over NOYES SLOUGH (MINNIE ST) MILE POINT 0.4 | 4 | 1953 | Poor |
| #34 | STERLING HIGHWAY over SOUTH FORK ANCHOR RIVER MILE POINT 120.7 | 4 | 1959 | Poor |
| #35 | REZANOF DRIVE over SARGENT CREEK MILE POINT 13.5 | 4 | 1980 | Poor |
| #36 | AURORA DRIVE over NOYES SLOUGH (AURORA) MILE POINT 0.2 | 4 | 1960 | Poor |
| #37 | PARK/HARRIS ST over KETCHIKAN CREEK MILE POINT 0.1 | 4 | 1957 | Poor |
| #38 | FUNNY RIVER ROAD over FUNNY RIVER MILE POINT 11.1 | 4 | 1969 | Poor |
| #39 | REZANOF DRIVE over RUSSIAN RIVER MILE POINT 13.7 | 4 | 1980 | Poor |
| #40 | GLENN HIGHWAY over KINGS RIVER MILE POINT 59.1 | 4 | 1961 | Poor |
| #41 | CRAIG/KLAWOCK/HOLL over CRAB CREEK CULVERT MILE POINT 1.5 | 4 | 1985 | Poor |
| #42 | COPPER RIVER HWY over EYAK RIVER MILE POINT 5.7 | 4 | 1954 | Poor |
| #43 | GUSTAVUS AIRPORT R over SALMON RIVER MILE POINT 1.5 | 4 | 1976 | Poor |
| #44 | MARINE HWY ROUTE over SKAGWAY FERRY TERMINAL SKAGWAY | 4 | 1980 | Poor |
| #45 | PARKS HIGHWAY over NENANA RIVER AT REX MILE POINT 240.3 | 4 | 1963 | Poor |
| #46 | RICHARDSON HIGHWAY over GULKANA RIVER MILE POINT 129.8 | 4 | 1974 | Poor |
| #47 | IRR:OCEAN CAPE RD over ANKAU SLOUGH MILE POINT 4.6 | 4 | 1961 | Poor |
| #48 | POINT WHITSHED RD over HENEY CREEK MILE POINT 1.8 | 4 | 1936 | Poor |
| #49 | 91 MILE LOOP over LITTLE TOK RIVER OLD TOK ALIGNMENT MP0.0 | 4 | 1979 | Poor |
| #50 | RICHARDSON HIGHWAY over UPPER MILLER CREEK MILE POINT 217.9 | 4 | 1958 | Poor |
| #51 | RICHARDSON HIGHWAY over CASTNER CREEK MILE POINT 219.9 | 4 | 1958 | Poor |
| #52 | RICHARDSON HIGHWAY over BEAR CREEK MILE POINT 236.1 | 4 | 1952 | Poor |
| #53 | IRR:NORTHWAY ROAD over FISH CAMP CREEK MILE POINT 2.6 | 4 | 1987 | Poor |
| #54 | QUARTZ CREEK ROAD over QUARTZ CREEK MILE POINT 0.7 | 4 | 1958 | Poor |
| #55 | RICHARDSON HIGHWAY over GUNN CREEK MILE POINT 199.5 | 4 | 1954 | Poor |
| #56 | AMALGA STREET over JORDAN CREEK (AMALGA ST) MILE POINT 0.1 | 4 | 1982 | Poor |
| #57 | WILLOW/FISHHOOK RD over WILLOW CREEK MILE POINT 34.7 | 4 | 1975 | Poor |
| #58 | THORNE BAY ROAD over GRAVELLY CREEK MILE POINT 14.1 | 4 | 1989 | Poor |
| #59 | ALASKA HIGHWAY over JOHNSON RIVER MILE POINT 156.1 | 4 | 1944 | Poor |
| #60 | ALASKA HIGHWAY over GERSTLE RIVER MILE POINT 168.3 | 4 | 1944 | Poor |
| #61 | TAYLOR HIGHWAY over TAYLOR CREEK MILE POINT 50.3 | 4 | 1977 | Poor |
| #62 | PETERSVILLE ROAD over MOOSE CREEK MILE POINT 7.1 | 4 | 1974 | Poor |
| #63 | SHELTER COVE ROAD over HARRIET HUNT CREEK MILE POINT 2.7 | 4 | 1981 | Poor |
| #64 | IRR:STEESE HIGHWAY over CROOKED CREEK MILE POINT 122.3 | 4 | 1957 | Poor |
| #65 | IRR:JAKOLOF BAY RD over BARABARA CREEK MILE POINT 4.4 | 4 | 1968 | Poor |
| #66 | DALTON HIGHWAY over HAMMOND RIVER MILE POINT 190.0 | 4 | 1972 | Poor |
| #67 | NAUTICAL AVENUE over SALMON CREEK TRIBUTARY MILE POINT 0.1 | 4 | 1970 | Poor |
| #68 | IRR: AIRFIELD RD over GOLD CREEK MILE POINT 1.1 | 4 | 1972 | Poor |
| #69 | MINERAL CREEK ROAD over MINERAL CREEK MILE POINT 0.3 | 4 | 1970 | Poor |
| #70 | COPPER RIVER HWY over MILLION DOLLAR BRIDGE MILE POINT 48.8 | 4 | 1910 | Poor |
| #71 | DENALI HIGHWAY over SUSITNA RIVER MILE POINT 79.5 | 4 | 1956 | Poor |
| #72 | STARNER ROAD over PETERS CREEK BIRCHWOOD AREA | 4 | 1989 | Poor |
| #73 | IRR:AIRPORT ROAD over UNNAMED CREEK KOLIGANEK KOLIGANEK | 4 | 1980 | Poor |
| #74 | STERLING L/OPHIR over CALIFORNIA CREEK MILE POINT 37.1 | 4 | 1937 | Poor |
| #75 | STERLING L/OPHIR over SPRUCE CREEK MILE POINT 42.2 | 4 | 1964 | Poor |
| #76 | IRR:ANDERSON RD over INDIAN CREEK CHIGNIK | 4 | 1985 | Poor |
| #77 | SAYLES/GORGE ST over SAYLES/GORGE VIADUCT MILE POINT 0.1 | 4 | 1960 | Poor |
| #78 | STANDARD CREEK RD over GOLDSTREAM CREEK MILE POINT 8.0 | 4 | 1994 | Poor |
| #79 | STANDARD CREEK RD over STANDARD CREEK MILE POINT 13.8 | 4 | 2006 | Poor |
| #80 | HARDING STREET over HARDING STREET MILE POINT 0.1 | 4 | 1968 | Poor |
| #81 | PETERSON STREET over PETERSON STREET MILE POINT 0.1 | 4 | 1955 | Poor |
| #82 | IRR:NOME-TELLER RD over SINUK RIVER MILE POINT 26.0 | 4 | 1967 | Poor |
| #83 | IRR:NOME-TELLER RD over SNAKE RIVER MILE POINT 7.1 | 4 | 1959 | Poor |
| #84 | TAYLOR HIGHWAY over AMERICAN CREEK NO 1 MILE POINT 149.8 | 4 | 1988 | Poor |
| #85 | SECTION LINE RD over LITTLE CHENA RIVER MILE POINT 10.2 | 4 | 1980 | Poor |
| #86 | IRR BIA RTE 26 over UNNAMED STREAM 9.1KM FROM TOTEM WAY | 4 | 1980 | Poor |
| #87 | IRR:AIRPORT ROAD over SHAGELUK SLOUGH SHAGELUK | 4 | 1978 | Poor |
| #88 | HAPPY CREEK ROAD over OTTER CREEK MILE POINT 7.2 FLAT | 4 | 1947 | Poor |
| #89 | MAIN STREET over MAIN STREET PELICAN PELICAN | 4 | 1939 | Poor |
| #90 | MARINE HWY ROUTE over COLD BAY DOCK COLD BAY | 4 | 1980 | Poor |
| #91 | IRR:KOLGNK DUMP RD over UNNAMED CREEK KOLIGANEK | 4 | 1980 | Poor |
| #92 | OIL WELL ROAD over MOOSE CREEK MILE POINT 9.5 | 4 | 1998 | Poor |
| #93 | KAKE ACCESS - USFS over MUSKEG CREEK MILE POINT 0.0 | 4 | 1981 | Poor |
| #94 | IRR BIA RTE 8PGH over UNNAMED CREEK 9.5 MI SE OF PORT GRAHAM | 4 | 1997 | Poor |
| #95 | IRR BIA RTE 461 over UNNAMED CREEK 4.8 MILES EAST OF HYDABU | 4 | 1980 | Poor |
| #96 | FDR 6590 over STREAM - MOD ZAREMBO ISLAND | 4 | 1980 | Poor |
| #97 | 8400000 over TRAIL # 828400SHOAL SHOAL COVE | 4 | 1992 | Poor |
| #98 | 43500 over LOG TONKA | 4 | 2002 | Poor |
| #99 | 43500 over LOG TONKA | 4 | 2002 | Poor |
| #100 | 43506 over LOG TONKA | 4 | 2002 | Poor |
| #101 | 43506 over LOG TONKA | 4 | 2002 | Poor |
| #102 | 43506 over LOG TONKA | 4 | 2002 | Poor |
| #103 | NO DATA ENTERED over NO DATA ENTERED TONKA | 4 | 2004 | Poor |
| #104 | 3013000-1.06 over MOD CONTROL LAKE | 4 | 1977 | Poor |
| #105 | IRR BIA RTE 735 over SUKKWAN STRAIT 3.0 MILES EAST OF HYDABUR | 4 | 1970 | Poor |
| #106 | NO DATA ENTERED over PERM UPPER CARROLL | 4 | 1997 | Poor |
| #107 | IRR BIA ROUTE 008 over UNNAMED CREEK S OF KLAWOCK LAKE 4.3 MI | 4 | 2005 | Poor |
| #108 | LOGGING ROAD over STREAM KUPREANOF ISLAND PORTAGE | 4 | 1981 | Poor |
| #109 | LOGGING ROAD over STREAM KUPREANOF ISLAND PORTAGE | 4 | 1981 | Poor |
| #110 | LOGGING ROAD over NO DATA ENTERED ZAREMBO ISLAND | 4 | 1991 | Poor |
| #111 | FDR 6540 over STREAM - HAMILTON 50R36 ETOLIN ISLAND | 4 | 1983 | Poor |
| #112 | LOGGING ROAD over CORNER CREEK TRIB CORNER BAY | 4 | 1974 | Poor |
| #113 | LOGGING ROAD over STREAM SALT LAKE BAY | 4 | 1975 | Poor |
| #114 | LOGGING ROAD over STREAM SALT LAKE BAY | 4 | 2003 | Poor |
| #115 | NO DATA ENTERED over STREAM SALT LAKE BAY | 4 | 1980 | Poor |
| #116 | LOGGING ROAD over FRESHWATER CREEK FRESHWATER | 4 | 1982 | Poor |
| #117 | PUBLIC ROAD over W.F. SITUK W.F. SITUK ROAD | 4 | 1985 | Poor |
| #118 | 2160000 over MOD LANCASTER | 4 | 1990 | Poor |
| #119 | NO DATA ENTERED over MOD MARGARET | 4 | 1989 | Poor |
| #120 | NO DATA ENTERED over NO DATA ENTERED THOMAS BAY | 4 | 2006 | Poor |
| #121 | NO DATA ENTERED over STREAM SALT LAKE BAY | 4 | 2003 | Poor |
| #122 | ROAD over STREAM SALT LAKE BAY | 4 | 2002 | Poor |
| #123 | ROAD over STREAM SALT LAKE BAY | 4 | 2003 | Poor |
| #124 | ROAD over STREAM SALT LAKE BAY | 4 | 2002 | Poor |
| #125 | ROAD over STREAM SALT LAKE BAY | 4 | 2002 | Poor |
| #126 | ROAD over NO DATA ENTERED SALT LAKE BAY | 4 | 2002 | Poor |
| #127 | ROAD over STREAM SALT LAKE BAY | 4 | 2002 | Poor |
| #128 | ROAD over STREAM SALT LAKE BAY | 4 | 2002 | Poor |
| #129 | ROAD over STREAM SALT LAKE BAY | 4 | 2002 | Poor |
| #130 | 2050000 over MOD SHAHEEN | 4 | 1991 | Poor |
| #131 | 3065000-2.349 over MOD WHALE PASS | 4 | 1991 | Poor |
| #132 | 8330000 over MOD SHELTER | 4 | 1992 | Poor |
| #133 | 3015100-0.60 over LOG THORNE BAY | 4 | 1995 | Poor |
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Data Source: Federal Highway Administration (FHWA) National Bridge Inventory 2024
Bridge inspection data is typically updated every 24 months. Conditions may have changed since the last inspection.
“Structurally deficient” does not mean a bridge is unsafe or likely to collapse. It indicates that one or more key structural elements are in poor or worse condition. Bridges are inspected regularly and may have load restrictions in place.
This data is for informational purposes only and should not be used for route clearance or vehicle weight decisions.