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

IRR BIA RTE 461

Fair

Over: UNNAMED CREEK

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

Built 1982 Load: 31.7 t ADT: 10

IRR BIA RTE 461

Fair

Over: UNNAMED CREEK

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

Built 1982 Load: 31.7 t ADT: 10

IRR BIA RTE 461

Fair

Over: UNNAMED CREEK

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

Built 1997 Load: 31.7 t ADT: 10

DIMOND BLVD

Fair

Over: CAMPBELL CREEK, DIMOND

MILE POINT 2.4, Anchorage, AK

Built 1988 Load: 31.8 t ADT: 22,100

EDGERTON/MCCARTHY

Fair

Over: COPPER RIVER (CHITINA)

MILE POINT 34.7, Copper River, AK

Built 1971 Load: 31.8 t ADT: 180

SOUTH TONGASS HWY

Fair

Over: KETCHIKAN CREEK

MILE POINT 2.4, Ketchikan Gateway, AK

Built 1944 Load: 31.8 t ADT: 6,850

LOGGING ROAD

Fair

Over: STREAM

KUIU ISLAND, Petersburg, AK

Built 1993 Load: 31.8 t

LOGGING ROAD

Fair

Over: NO DATA ENTERED

KUIU ISLAND, Petersburg, AK

Built 1993 Load: 31.8 t

STEESE HIGHWAY

Fair

Over: NORTH FORK 12 MILE CREEK

MILE POINT 80.1, Yukon-Koyukuk, AK

Built 1961 Load: 31.8 t ADT: 100

FERRY TERMINAL RD

Fair

Over: CORDOVA FERRY TERMINAL

CORDOVA, Chugach, AK

Built 2004 Load: 32.0 t ADT: 100

PARKS HIGHWAY

Fair

Over: BEAR CREEK

MILE POINT 233.8, Denali, AK

Built 1965 Load: 32.0 t ADT: 910

BACK ACRES ROAD

Fair

Over: BODENBURG CREEK

MILE POINT 0.1, Matanuska-Susitna, AK

Built 2002 Load: 32.0 t ADT: 30

COPPER RIVER HWY

Fair

Over: COPPER DELTA

MILE POINT 34.6, Chugach, AK

Built 1977 Load: 32.1 t ADT: 40

COPPER RIVER HWY

Fair

Over: COPPER DELTA

MILE POINT 37.0, Chugach, AK

Built 1977 Load: 32.1 t ADT: 94

NO DATA ENTERED

Fair

Over: PERM

UPPER CARROLL, Ketchikan Gateway, AK

Built 2002 Load: 32.4 t ADT: 2

IRR BIA RTE 22

Fair

Over: SMALL POINT CREEK

1.8 KM N.W. OF TOTEM WAY, Prince of Wales-Hyder, AK

Built 1980 Load: 32.4 t ADT: 15

IRR BIA RTE 22

Fair

Over: UNNAMED STREAM

2.6KM PAST TOTEM WAY, Prince of Wales-Hyder, AK

Built 1980 Load: 32.4 t ADT: 20

IRR BIA RTE 24

Fair

Over: UNNAMED STREAM

12.3KM FROM TOTEM WAY, Prince of Wales-Hyder, AK

Built 1980 Load: 32.4 t ADT: 5

PARKS HIGHWAY

Fair

Over: CHULITNA RIVER

MILE POINT 98.3, Matanuska-Susitna, AK

Built 1970 Load: 32.5 t ADT: 1,120

OLD GLENN, PALMER

Fair

Over: GOAT CREEK

MILE POINT 6.2, Matanuska-Susitna, AK

Built 1977 Load: 32.6 t ADT: 1,710

VFW ROAD

Fair

Over: EAGLE RIVER E FRONTAGE

MILE POINT 0.5, Anchorage, AK

Built 1981 Load: 32.7 t ADT: 200

BRAVO ROUTE

Fair

Over: EAGLE RIVER

2.2 miles North of inters, Anchorage, AK

Built 1998 Load: 32.7 t ADT: 1,000

LAMPKIN RANGE RD

Fair

Over: BRANCH DELTA RIVER

3.1 KM SW OF XBRIE2, Fairbanks North Star, AK

Built 1962 Load: 32.7 t ADT: 25

ROAD

Fair

Over: TRIB OF KENNEL CR

FRESHWATER KENNEL CREEK, Hoonah-Angoon, AK

Built 1997 Load: 32.7 t

NO DATA ENTERED

Fair

Over: NO DATA ENTERED

FRESHWATER PAVLOV, Hoonah-Angoon, AK

Built 2010 Load: 32.7 t

THANE ROAD

Fair

Over: SHEEP CREEK

MILE POINT 4.1, Juneau City and, AK

Built 1981 Load: 32.7 t ADT: 430

FERRY SHUTTLE RTE

Fair

Over: GRAVINA AIRPORT F.T. I

KETCHIKAN AIRPORT, Ketchikan Gateway, AK

Built 1998 Load: 32.7 t ADT: 348

8400000

Fair

Over: PERM

UPPER CARROLL, Ketchikan Gateway, AK

Built 1997 Load: 32.7 t ADT: 2

8400000

Fair

Over: PERM

UPPER CARROLL, Ketchikan Gateway, AK

Built 1997 Load: 32.7 t ADT: 2

NO DATA ENTERED

Fair

Over: NO DATA ENTERED

FIRE COVE, Ketchikan Gateway, AK

Built 1992 Load: 32.7 t

NO DATA ENTERED

Fair

Over: NO DATA ENTERED

SHELTER, Ketchikan Gateway, AK

Built 1995 Load: 32.7 t

NO DATA ENTERED

Fair

Over: PERM

UPPER CARROLL, Ketchikan Gateway, AK

Built 2002 Load: 32.7 t ADT: 2

LOGGING ROAD

Fair

Over: STREAM

KUPREANOF ISLAND AT KAKE, Petersburg, AK

Built 1997 Load: 32.7 t ADT: 10

LOGGING ROAD

Fair

Over: STREAM

KUPREANOF ISLAND, PORTAGE, Petersburg, AK

Built 1996 Load: 32.7 t

LOGGING ROAD

Fair

Over: STREAM

KUIU ISLAND, Petersburg, AK

Built 1977 Load: 32.7 t ADT: 5

LOGGING ROAD

Fair

Over: STREAM

KUIU ISLAND, Petersburg, AK

Built 1977 Load: 32.7 t ADT: 5

LOGGING ROAD

Fair

Over: STREAM

KUPREANOF ISLAND AT KAKE, Petersburg, AK

Built 1998 Load: 32.7 t ADT: 10

NO DATA ENTERED

Fair

Over: NO DATA ENTERED

THOMAS BAY, Petersburg, AK

Built 2003 Load: 32.7 t ADT: 10

NO DATA ENTERED

Fair

Over: NO DATA ENTERED

SUEMEZ, Prince of Wales-Hyder, AK

Built 1993 Load: 32.7 t

2160000

Fair

Over: MOD

LANCASTER, Prince of Wales-Hyder, AK

Built 1978 Load: 32.7 t

2054305-0.13

Fair

Over: PERM

STANEY, Prince of Wales-Hyder, AK

Built 2001 Load: 32.7 t ADT: 10

2058000-0.71

Fair

Over: MOD

NAUKATI, Prince of Wales-Hyder, AK

Built 1978 Load: 32.7 t ADT: 20

2720000-0.145

Fair

Over: MOD

WHALE PASS, Prince of Wales-Hyder, AK

Built 1978 Load: 32.7 t ADT: 50

2083-4.033

Fair

Over: NO DATA ENTERED

LAB BAY, Prince of Wales-Hyder, AK

Built 2007 Load: 32.7 t

NO DATA ENTERED

Fair

Over: NO DATA ENTERED

KOSCIUSKO, Prince of Wales-Hyder, AK

Built 2003 Load: 32.7 t ADT: 10

NO DATA ENTERED

Fair

Over: NO DATA ENTERED

SHAHEEN, Prince of Wales-Hyder, AK

Built 2004 Load: 32.7 t

LOGGING ROAD

Fair

Over: N FORK WHITE ROCK CREEK

FALSE ISLAND, Sitka City and, AK

Built 1975 Load: 32.7 t

LOGGING ROAD

Fair

Over: CAMP WATER CREEK

FALSE ISLAND, Sitka City and, AK

Built 1992 Load: 32.7 t

NO DATA ENTERED

Fair

Over: NO DATA ENTERED

FALSE ISLAND, Sitka City and, AK

Built 1990 Load: 32.7 t

NO DATA ENTERED

Fair

Over: NO DATA ENTERED

FALSE ISLAND, Sitka City and, AK

Built 1995 Load: 32.7 t

Showing 251-300 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.