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

Total Bridges

909

Public highway bridges in Alaska

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

Alaska42.4%47.3%10.2%GoodFairPoor
Bridge inventory deck-condition mix - Alaska (FHWA NBI)

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
Structure
Progressive
Burden @ $100K
$24,654

MI

Michigan

8.92% top marginal rate
Structure
Progressive
Burden @ $100K
$1,188
Selected

AK

Alaska

10.12% top marginal rate
Structure
Progressive
Burden @ $100K
$909

PA

Pennsylvania

10.50% top marginal rate
Structure
Progressive
Burden @ $100K
$14,867

ND

North Dakota

10.84% top marginal rate
Structure
Progressive
Burden @ $100K
$4,242

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

Poor

Over: LITTLE CHENA RIVER

MILE POINT 10.2, Fairbanks North Star, AK

Built 1980 Load: 1.6 t ADT: 20

NO DATA ENTERED

Poor

Over: PALMER CREEK

PALMER CREEK ROAD, Kenai Peninsula, AK

Built 1957 Load: 2.7 t ADT: 10

IRR BIA RTE 26

Poor

Over: UNNAMED STREAM

10.7KM PAST TOTEM WAY, Prince of Wales-Hyder, AK

Built 1980 Load: 2.7 t ADT: 20

FDR 6540

Poor

Over: STREAM - HAMILTON 60R36

ETOLIN ISLAND, Wrangell City and, AK

Built 1982 Load: 2.7 t

IRR BIA RTE 8PGH

Poor

Over: UNNAMED CREEK

14.2 Mi SE of Port Graham, Kenai Peninsula, AK

Built 1997 Load: 3.6 t ADT: 5

IRR BIA RTE 461

Poor

Over: 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

2100000-12.741

Fair

Over: MOD

POLK, Prince of Wales-Hyder, AK

Built 1989 Load: 17.2 t ADT: 10

2900000-15.69

Fair

Over: MOD 15.69

LAB BAY, Prince of Wales-Hyder, AK

Built 1989 Load: 17.2 t

TRAIL RIVER CG RD

Fair

Over: TRAIL RIVER

24 MI. N. OF SEWARD, Kenai Peninsula, AK

Built 1965 Load: 17.5 t ADT: 10

ROAD

Fair

Over: STREAM

SALT LAKE BAY, Hoonah-Angoon, AK

Built 2002 Load: 17.8 t

LOGGING ROAD

Fair

Over: STREAM

KUPREANOF ISLAND, PORTAGE, Petersburg, AK

Built 1980 Load: 17.8 t

IRR:NOME-TAYLOR RD

Fair

Over: KUZITRIN RIVER

MILE POINT 67.9, Nome, AK

Built 1961 Load: 18.1 t ADT: 50

DENALI PARK ROAD

Fair

Over: GHIGLIONE CREEK

40.19 MILES WEST OF AK RO, Yukon-Koyukuk, AK

Built 1960 Load: 18.1 t ADT: 300

DENALI PARK ROAD

Fair

Over: STONY CREEK

60.7 MILES WEST OF AK ROU, Yukon-Koyukuk, AK

Built 1957 Load: 18.1 t ADT: 300

LOGGING ROAD

Fair

Over: STREAM

SALT LAKE BAY, Hoonah-Angoon, AK

Built 2003 Load: 18.5 t

LOGGING ROAD

Fair

Over: STREAM

KUIU ISLAND, Petersburg, AK

Built 1978 Load: 18.8 t

91 MILE LOOP

Fair

Over: TRAIL CREEK

OLD TOK ALIGNMENT MP 0.9, Copper River, AK

Built 1951 Load: 18.9 t ADT: 15

COPPER RIVER ROAD

Fair

Over: NATIONAL CREEK

60.6 MILES EAST OF CHITIN, Wrangell City and, AK

Built 2009 Load: 19.0 t ADT: 1

ROAD

Fair

Over: STREAM

SALT LAKE BAY, Hoonah-Angoon, AK

Built 2002 Load: 19.1 t

DENALI HIGHWAY

Fair

Over: BRUSHKANA CREEK

MILE POINT 104.7, Matanuska-Susitna, AK

Built 1955 Load: 19.2 t ADT: 60

LOGGING ROAD

Fair

Over: STREAM

HOMESHORE, Haines, AK

Built 1980 Load: 19.8 t

LOGGING ROAD

Fair

Over: SPASSKI CREEK

HOONAH - LONG ISLAND, Hoonah-Angoon, AK

Built 1990 Load: 19.8 t ADT: 50

LOGGING ROAD

Fair

Over: CREEK

WUKUKLOOK GYPSUM, Hoonah-Angoon, AK

Built 1989 Load: 19.8 t ADT: 10

NO DATA ENTERED

Fair

Over: CREEK

IYOUKTUG, Hoonah-Angoon, AK

Built 1990 Load: 19.8 t

NO DATA ENTERED

Fair

Over: NO DATA ENTERED

IYOUKTUG, Hoonah-Angoon, AK

Built 1990 Load: 19.8 t

LOGGING ROAD

Fair

Over: STREAM

SALT LAKE BAY, Hoonah-Angoon, AK

Built 1975 Load: 19.8 t

LOGGING ROAD

Fair

Over: CREEK

FRESHWATER, Hoonah-Angoon, AK

Built 1982 Load: 19.8 t ADT: 10

LOGGING ROAD

Fair

Over: CREEK

FRESHWATER, Hoonah-Angoon, AK

Built 1982 Load: 19.8 t ADT: 10

LOGGING ROAD

Fair

Over: FRESHWATER CREEK

FRESHWATER, Hoonah-Angoon, AK

Built 1982 Load: 19.8 t ADT: 10

LOGGING ROAD

Fair

Over: CREEK

FRESHWATER, Hoonah-Angoon, AK

Built 1982 Load: 19.8 t ADT: 10

ROAD

Fair

Over: STREAM -1977

EIGHT FATHOM BIGHT, Hoonah-Angoon, AK

Built 1990 Load: 19.8 t

ROAD

Fair

Over: STREAM -1990

EIGHT FATHOM BIGHT, Hoonah-Angoon, AK

Built 1990 Load: 19.8 t

ROAD

Fair

Over: MUD BAY FORK

EIGHT FATHOM BIGHT, Hoonah-Angoon, AK

Built 1977 Load: 19.8 t

STRUCTURE

Fair

Over: NO ACCESS TO THIS

SALT LAKE BAY, Hoonah-Angoon, AK

Built 1982 Load: 19.8 t

ROAD

Fair

Over: NO DATA ENTERED

SALT LAKE BAY, Hoonah-Angoon, AK

Built 1982 Load: 19.8 t

NO DATA ENTERED

Fair

Over: STREAM

SALT LAKE BAY, Hoonah-Angoon, AK

Built 1980 Load: 19.8 t

ROAD

Fair

Over: STREAM

SALT LAKE BAY, Hoonah-Angoon, AK

Built 1980 Load: 19.8 t

ROAD

Fair

Over: STREAM

SALT LAKE BAY, Hoonah-Angoon, AK

Built 1980 Load: 19.8 t

NO DATA ENTERED

Fair

Over: NO DATA ENTERED

IYOUKTUG, Hoonah-Angoon, AK

Built 1995 Load: 19.8 t

LOGGING ROAD

Fair

Over: CREEK

FRESHWATER, Hoonah-Angoon, AK

Built 1982 Load: 19.8 t ADT: 10

LOGGING ROAD

Fair

Over: STREAM

FRESHWATER, Hoonah-Angoon, AK

Built 1982 Load: 19.8 t ADT: 10

LOGGING ROAD

Fair

Over: NO DATA ENTERED

GAME CREEK, Hoonah-Angoon, AK

Built 1981 Load: 19.8 t ADT: 10

LOGGING ROAD

Fair

Over: CREEK

GAME CREEK, Hoonah-Angoon, AK

Built 1994 Load: 19.8 t ADT: 50

ROAD

Fair

Over: GARTINA CREEK

HOONAH - LONG ISLAND, Hoonah-Angoon, AK

Built 1990 Load: 19.8 t ADT: 50

NO DATA ENTERED

Fair

Over: NO DATA ENTERED

FRESHWATER, Hoonah-Angoon, AK

Built 1995 Load: 19.8 t ADT: 10

NO DATA ENTERED

Fair

Over: NO DATA ENTERED

IYOUKTUG, Hoonah-Angoon, AK

Built 1982 Load: 19.8 t

NO DATA ENTERED

Fair

Over: NO DATA ENTERED

SHELTER, Ketchikan Gateway, AK

Built 1980 Load: 19.8 t

LOGGING ROAD

Fair

Over: STREAM

TONKA, Petersburg, AK

Built 1979 Load: 19.8 t ADT: 10

LOGGING ROAD

Fair

Over: STREAM

KUPREANOF ISLAND AT KAKE, Petersburg, AK

Built 1979 Load: 19.8 t ADT: 10

LOGGING ROAD

Fair

Over: STREAM

KUPREANOF ISLAND, PORTAGE, Petersburg, AK

Built 1990 Load: 19.8 t

LOGGING ROAD

Fair

Over: STREAM

KUIU ISLAND, Petersburg, AK

Built 1987 Load: 19.8 t ADT: 5

LOGGING ROAD

Fair

Over: STREAM

KUIU ISLAND, Petersburg, AK

Built 1982 Load: 19.8 t

LOGGING ROAD

Fair

Over: STREAM

KUPREANOF ISLAND, PORTAGE, Petersburg, AK

Built 1990 Load: 19.8 t

LOGGING ROAD

Fair

Over: STREAM

KUIU ISLAND, Petersburg, AK

Built 1982 Load: 19.8 t

LOGGING ROAD

Fair

Over: STREAM

KUIU ISLAND, Petersburg, AK

Built 1991 Load: 19.8 t

ROAD

Fair

Over: STREAM

KUPREANOF ISLAND, PORTAGE, Petersburg, AK

Built 1981 Load: 19.8 t

Showing 51-100 of 909 bridges

Related

All states → | National rankings → | Understanding conditions → | Retired SD term explained →
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.