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%.

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.

All Bridges in Alaska

NO DATA ENTERED

Good

Over: NO DATA ENTERED

THORNE BAY, Prince of Wales-Hyder, AK

Built 2013 Load: 70.3 t ADT: 10

LOGGING ROAD

Good

Over: STREAM

GAME CREEK, Hoonah-Angoon, AK

Built 2013 Load: 70.6 t ADT: 10

NO DATA ENTERED

Good

Over: END OF THE LINE CREEK

SHOAL COVE, Ketchikan Gateway, AK

Built 2011 Load: 70.6 t ADT: 3

NO DATA ENTERED

Good

Over: LICKING CREEK

SHOAL COVE, Ketchikan Gateway, AK

Built 2011 Load: 70.6 t ADT: 5

8400000

Good

Over: NO DATA ENTERED

SHOAL COVE, Ketchikan Gateway, AK

Built 2010 Load: 70.6 t ADT: 5

840000

Good

Over: NO DATA ENTERED

SHOAL COVE, Ketchikan Gateway, AK

Built 2010 Load: 70.6 t ADT: 5

2024300-1.984

Good

Over: NO DATA ENTERED

HOLLIS, Prince of Wales-Hyder, AK

Built 2004 Load: 70.6 t ADT: 5

NO DATA ENTERED

Good

Over: CREEK

FALSE ISLAND, Sitka City and, AK

Built 2014 Load: 70.6 t

NO DATA ENTERED

Good

Over: NO DATA ENTERED

KUIU ISLAND, Wrangell City and, AK

Built 2014 Load: 70.6 t ADT: 5

NO DATA ENTERED

Good

Over: NO DATA ENTERED

STANEY, Prince of Wales-Hyder, AK

Built 2012 Load: 72.6 t ADT: 10

RICHARDSON HIGHWAY

Good

Over: BOULDER CREEK

MILE POINT 55.5, Copper River, AK

Built 1974 Load: 80.6 t ADT: 440

DALTON HIGHWAY

Good

Over: FISH CREEK

MILE POINT 113.8, Yukon-Koyukuk, AK

Built 1972 Load: 87.8 t ADT: 140

BIA RT 0007

Good

Over: NICHOLS CREEK

7.6 MI N OF METLAKATLA, Prince of Wales-Hyder, AK

Built 2005 Load: 89.8 t ADT: 75

BIA RT 0007

Good

Over: COWBOY CREEK

8.3 MI N OF METLAKATLA, Prince of Wales-Hyder, AK

Built 2006 Load: 89.8 t ADT: 75

SEWARD HIGHWAY

Good

Over: QUARTZ CREEK

MILE POINT 41.9, Kenai Peninsula, AK

Built 1983 Load: 99.9 t ADT: 3,430

DALTON HIGHWAY

Good

Over: HAPPY VALLEY CREEK

MILE POINT 334.7, North Slope, AK

Built 1995 Load: 99.9 t ADT: 90

DANGEROUS RIVER RD

Good

Over: MILLER CREEK EAST

MILE POINT 26.7, Yakutat City and, AK

Built 1976 Load: 99.9 t ADT: 40

IRR BIA RTE 1045

Poor

Over: UNNAMED STREAM

0.2KM NW OF BARGE LANDING, Bethel, AK

Built 1980

NUC CIRCLE ROAD

Poor

Over: CREEK

On Blair Lake Range. Con, Fairbanks North Star, AK

Built 1998 ADT: 10

TANANA BRIDGE ROAD

Poor

Over: BOUNDRY SLOUGH

1.4 KM W-SW TANANA R BR, Fairbanks North Star, AK

Built 2012 ADT: 10

IRR BIA RTE 1026

Poor

Over: UNNAMED CREEK

0.5 MI. N OF WINDY BAY RD, Kenai Peninsula, AK

Built 1997 ADT: 10

IRR BIA RTE 1026

Poor

Over: UNNAMED CREED

0.8 MI N OF WINDY BAY RD., Kenai Peninsula, AK

Built 1997 ADT: 10

IRR BIA RTE 8PGH

Poor

Over: UNNAMED CREEK

14.5 Mi SE of Port Graham, Kenai Peninsula, AK

Built 1997 ADT: 5

IRR BIA RTE 8PGH

Poor

Over: UNNAMED CREEK

15.4 Mi SE of Port Graha, Kenai Peninsula, AK

Built 1997 ADT: 5

IRR BIA RTE 002

Poor

Over: UNNAMED STREAM

NUIQSUT, North Slope, AK

Built 1980

IRR BIA RTE 735

Poor

Over: SUKKWAN STRAIT

3.0 MILES EAST OF HYDABUR, Prince of Wales-Hyder, AK

Built 1970 ADT: 5

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

IRR BIA RTE 461

Poor

Over: UNNAMED CREEK

4.8 MILES EAST OF HYDABU, Prince of Wales-Hyder, AK

Built 1980 Load: 5.4 t ADT: 10

MINERAL CREEK ROAD

Poor

Over: MINERAL CREEK

MILE POINT 0.3, Chugach, AK

Built 1970 Load: 5.7 t ADT: 75

IRR BIA RTE 1048

Poor

Over: WINDY CREEK RIGHT

16.6 Mi SE of Port Graham, Kenai Peninsula, AK

Built 1997 Load: 7.3 t ADT: 2

ROAD

Poor

Over: STREAM

SALT LAKE BAY, Hoonah-Angoon, AK

Built 2002 Load: 7.5 t

NO DATA ENTERED

Poor

Over: MOD

MARGARET, Ketchikan Gateway, AK

Built 1989 Load: 8.1 t

HAPPY CREEK ROAD

Poor

Over: OTTER CREEK

MILE POINT 7.2, FLAT, Yukon-Koyukuk, AK

Built 1947 Load: 9.0 t ADT: 10

IRR: AIRFIELD RD

Poor

Over: GOLD CREEK

MILE POINT 1.1, Yukon-Koyukuk, AK

Built 1972 Load: 9.4 t ADT: 86

STERLING L/OPHIR

Poor

Over: TAKOTNA RIVER

MILE POINT 21.8, Yukon-Koyukuk, AK

Built 1941 Load: 11.5 t ADT: 45

STERLING L/OPHIR

Poor

Over: CALIFORNIA CREEK

MILE POINT 37.1, Yukon-Koyukuk, AK

Built 1937 Load: 11.6 t ADT: 45

IRR BIA ROUTE 008

Poor

Over: UNNAMED CREEK

S OF KLAWOCK LAKE, 4.3 MI, Prince of Wales-Hyder, AK

Built 2005 Load: 12.7 t ADT: 1

ROAD

Poor

Over: STREAM

SALT LAKE BAY, Hoonah-Angoon, AK

Built 2002 Load: 13.9 t

LOGGING ROAD

Poor

Over: FIRST CREEK

HOMESHORE, Haines, AK

Built 1985 Load: 16.2 t

ROAD

Poor

Over: STREAM

SALT LAKE BAY, Hoonah-Angoon, AK

Built 2003 Load: 17.2 t

2050000

Poor

Over: MOD

SHAHEEN, Prince of Wales-Hyder, AK

Built 1991 Load: 17.8 t

LOGGING ROAD

Poor

Over: STREAM

SALT LAKE BAY, Hoonah-Angoon, AK

Built 2002 Load: 19.1 t

ROAD

Poor

Over: STREAM

SALT LAKE BAY, Hoonah-Angoon, AK

Built 2002 Load: 19.4 t

LOGGING ROAD

Poor

Over: STREAM

SALT LAKE BAY, Hoonah-Angoon, AK

Built 1975 Load: 19.8 t

NO DATA ENTERED

Poor

Over: STREAM

SALT LAKE BAY, Hoonah-Angoon, AK

Built 1980 Load: 19.8 t

Showing 801-850 of 909 bridges

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.

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.