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

STERLING HIGHWAY

Good

Over: STARISKI CREEK

MILE POINT 111.0, Kenai Peninsula, AK

Built 2007 Load: 41.0 t ADT: 2,170

3000000-33.49

Good

Over: PERM

RATZ, Prince of Wales-Hyder, AK

Built 1993 Load: 41.1 t ADT: 50

LOGGING ROAD

Good

Over: STREAM

GAME CREEK, Hoonah-Angoon, AK

Built 1994 Load: 41.5 t ADT: 10

CHINIAK HIGHWAY

Good

Over: UNNAMED CREEK, SITE 5

MILE POINT 21.8, Kodiak Island, AK

Built 2019 Load: 41.5 t ADT: 210

2030000-0.81

Good

Over: PERM

CONTROL LAKE, Prince of Wales-Hyder, AK

Built 2000 Load: 41.5 t ADT: 10

2030000-0.31

Good

Over: PERM

CONTROL LAKE, Prince of Wales-Hyder, AK

Built 2000 Load: 41.8 t ADT: 10

3000000-37.88

Good

Over: PERM

RATZ, Prince of Wales-Hyder, AK

Built 1991 Load: 41.8 t ADT: 50

SEWARD HIGHWAY

Good

Over: SALMON CREEK

MILE POINT 6.0, Kenai Peninsula, AK

Built 1979 Load: 41.9 t ADT: 3,510

LOGGING ROAD

Good

Over: STREAM

MITKOF ISLAND, Petersburg, AK

Built 1980 Load: 42.1 t ADT: 50

FDR 6590

Good

Over: STREAM - PERM

ZAREMBO ISLAND, Wrangell City and, AK

Built 1985 Load: 42.1 t ADT: 5

2050000

Good

Over: PERM

STANEY, Prince of Wales-Hyder, AK

Built 1989 Load: 42.4 t ADT: 10

UNIVERSITY AVE

Good

Over: CHENA RIVER (UNIV AVE)

MILE POINT 0.4, Fairbanks North Star, AK

Built 2021 Load: 42.7 t ADT: 14,700

NOME CREEK ROAD-EA

Good

Over: Nome Creek

7 mi N of AK6N/Steese Hwy, Fairbanks North Star, AK

Built 1998 Load: 42.8 t ADT: 50

ROAD

Good

Over: NO DATA ENTERED

IYOUKTUG, Hoonah-Angoon, AK

Built 1993 Load: 42.8 t ADT: 10

8440000

Good

Over: PERM

SHOAL COVE, Ketchikan Gateway, AK

Built 1987 Load: 42.8 t ADT: 5

3000000-85.912

Good

Over: PERM

WHALE PASS, Prince of Wales-Hyder, AK

Built 1987 Load: 42.8 t ADT: 10

LOGGING ROAD

Good

Over: STREAM

KUIU ISLAND, Petersburg, AK

Built 1991 Load: 43.1 t

LOGGING ROAD

Good

Over: TRAIL #317544

FALSE ISLAND, Sitka City and, AK

Built 1995 Load: 43.1 t

TOK CUTOFF

Good

Over: SINONA CREEK

MILE POINT 34.0, Copper River, AK

Built 2005 Load: 43.3 t ADT: 330

LOGGING ROAD

Good

Over: STREAM

KUIU ISLAND, Petersburg, AK

Built 1990 Load: 43.4 t ADT: 5

2100000-17.53

Good

Over: PERM

POLK, Prince of Wales-Hyder, AK

Built 1985 Load: 43.4 t ADT: 10

2000000-12.651

Good

Over: PERM

NAUKATI, Prince of Wales-Hyder, AK

Built 1978 Load: 43.4 t ADT: 50

2000000-125.951

Good

Over: PERM 125.951

LAB BAY, Prince of Wales-Hyder, AK

Built 1987 Load: 43.4 t ADT: 10

FDR 6265

Good

Over: STREAM - PERM

WRANGELL ISLAND, Wrangell City and, AK

Built 1989 Load: 43.4 t ADT: 50

BULLDOG TRAIL

Good

Over: CHESTER CREEK

Approximately 0.3 miles s, Anchorage, AK

Built 2009 Load: 43.5 t ADT: 100

LOGGING ROAD

Good

Over: STREAM

FRESHWATER WACHUSETT COVE, Hoonah-Angoon, AK

Built 1993 Load: 43.7 t

2050300-0.44

Good

Over: PERM

STANEY, Prince of Wales-Hyder, AK

Built 1984 Load: 43.7 t ADT: 10

NO DATA ENTERED

Good

Over: BIG CREEK

WHALE PASS, Prince of Wales-Hyder, AK

Built 2014 Load: 43.7 t ADT: 50

NO DATA ENTERED

Good

Over: NO DATA ENTERED

RATZ, Prince of Wales-Hyder, AK

Built 2014 Load: 43.7 t ADT: 50

IRR:JAFET DRIVE

Good

Over: SNAKE RIVER

MILE POINT 0.1, Nome, AK

Built 2013 Load: 44.1 t ADT: 1,000

6402-20.96

Good

Over: STREAM

KUIU ISLAND, Petersburg, AK

Built 1991 Load: 44.1 t

LOGGING ROAD

Good

Over: CREEK

SUNTAHEEN, Hoonah-Angoon, AK

Built 1994 Load: 45.0 t ADT: 10

WATER STREET

Good

Over: WATER ST NO 2

MILE POINT 0.2, Ketchikan Gateway, AK

Built 2018 Load: 45.1 t ADT: 650

SEWARD HIGHWAY

Good

Over: INDIAN CREEK

MILE POINT 102.1, Anchorage, AK

Built 2021 Load: 45.4 t ADT: 6,860

LOGGING ROAD

Good

Over: STREAM

KUPREANOF ISLAND AT KAKE, Petersburg, AK

Built 1984 Load: 45.4 t ADT: 10

2058000-4.13

Good

Over: PERM

NAUKATI, Prince of Wales-Hyder, AK

Built 1984 Load: 45.4 t ADT: 20

IRR BIA RTE 15

Good

Over: UNNAMED STREAM

7.1KM DOWN FS6326 FR 6314, Prince of Wales-Hyder, AK

Built 2003 Load: 45.5 t ADT: 1

TOK CUTOFF

Good

Over: SLANA SLOUGH

MILE POINT 74.8, Copper River, AK

Built 2006 Load: 45.7 t ADT: 220

LOGGING ROAD

Good

Over: TENNIS SHOE CREEK

SUNTAHEEN, Hoonah-Angoon, AK

Built 1994 Load: 45.7 t ADT: 50

LOGGING ROAD

Good

Over: STREAM

KUPREANOF ISLAND AT KAKE, Petersburg, AK

Built 1983 Load: 45.7 t ADT: 10

2000000-121.505

Good

Over: PERM

LAB BAY, Prince of Wales-Hyder, AK

Built 1987 Load: 45.7 t ADT: 10

2000000-124.232

Good

Over: PERM 124.232

LAB BAY, Prince of Wales-Hyder, AK

Built 1987 Load: 45.7 t ADT: 10

LOGGING ROAD

Good

Over: CORNER CREEK

CORNER BAY, Sitka City and, AK

Built 1983 Load: 45.7 t

8400000

Good

Over: PERM

SHOAL COVE, Ketchikan Gateway, AK

Built 1985 Load: 46.0 t ADT: 5

LOGGING ROAD

Good

Over: STREAM

MITKOF ISLAND, Petersburg, AK

Built 1987 Load: 46.0 t ADT: 10

LOGGING ROAD

Good

Over: STREAM

KUIU ISLAND, Petersburg, AK

Built 1984 Load: 46.0 t ADT: 5

2100000-15.18

Good

Over: PERM

POLK, Prince of Wales-Hyder, AK

Built 1985 Load: 46.0 t ADT: 10

2050000

Good

Over: PERM

STANEY, Prince of Wales-Hyder, AK

Built 1984 Load: 46.3 t ADT: 10

FDR 6273

Good

Over: STREAM - PERM

WRANGELL ISLAND, Wrangell City and, AK

Built 1986 Load: 46.3 t ADT: 10

2150000-3.74

Good

Over: PERM

POLK, Prince of Wales-Hyder, AK

Built 1988 Load: 46.7 t

Showing 651-700 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.