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

LOGGING ROAD

Good

Over: SITKOH RIVER

FALSE ISLAND, Sitka City and, AK

Built 1982 Load: 46.7 t

FDR 6270

Good

Over: STREAM -PERM

WRANGELL ISLAND, Wrangell City and, AK

Built 1982 Load: 46.7 t ADT: 10

SEWARD HIGHWAY

Good

Over: CANYON CREEK

MILE POINT 55.8, Kenai Peninsula, AK

Built 1997 Load: 47.0 t ADT: 4,268

3000000-55.37

Good

Over: PERM

COFFMAN, Prince of Wales-Hyder, AK

Built 1983 Load: 47.0 t ADT: 50

LOGGING ROAD

Good

Over: STREAM

MITKOF ISLAND, Petersburg, AK

Built 1984 Load: 47.3 t ADT: 10

LOGGING ROAD

Good

Over: STREAM

TONKA, Petersburg, AK

Built 1990 Load: 47.3 t ADT: 5

3030000-12.71

Good

Over: PERM

COFFMAN, Prince of Wales-Hyder, AK

Built 1986 Load: 47.3 t ADT: 50

PORCUPINE ROAD

Good

Over: GLACIER CREEK

MILE POINT 10.8, Haines, AK

Built 2023 Load: 47.4 t ADT: 10

LOGGING ROAD

Good

Over: STREAM

MITKOF ISLAND, Petersburg, AK

Built 1973 Load: 47.6 t ADT: 50

TOK CUTOFF

Good

Over: CARLSON CREEK

MILE POINT 66.7, Copper River, AK

Built 1991 Load: 47.9 t ADT: 220

LOGGING ROAD

Good

Over: PAVLOV RIVER

FRESHWATER PAVLOV, Hoonah-Angoon, AK

Built 1986 Load: 48.0 t

LOGGING ROAD

Good

Over: STREAM

MITKOF ISLAND, Petersburg, AK

Built 1982 Load: 48.0 t ADT: 50

3030000-11.8

Good

Over: PERM

COFFMAN, Prince of Wales-Hyder, AK

Built 1986 Load: 48.0 t ADT: 50

LOGGING ROAD

Good

Over: STREAM

WRANGELL ISLAND, Wrangell City and, AK

Built 1988 Load: 48.0 t ADT: 50

ALASKA HIGHWAY

Good

Over: BEAR CREEK

MILE POINT 133.2, Southeast Fairbanks, AK

Built 1985 Load: 48.2 t ADT: 230

LOGGING ROAD

Good

Over: CREEK

SUNTAHEEN, Hoonah-Angoon, AK

Built 1994 Load: 48.9 t ADT: 10

PARKS HIGHWAY

Good

Over: LITTLE SUSITNA RIVER

MILE POINT 21.8, Matanuska-Susitna, AK

Built 2004 Load: 49.1 t ADT: 4,700

LOGGING ROAD

Good

Over: STREAM

SUNTAHEEN, Hoonah-Angoon, AK

Built 1994 Load: 49.2 t ADT: 10

8400000

Good

Over: PERM

SHOAL COVE, Ketchikan Gateway, AK

Built 1985 Load: 49.2 t ADT: 5

RICHARDSON HIGHWAY

Good

Over: ONE MILE CREEK

MILE POINT 187.5, Copper River, AK

Built 2000 Load: 49.4 t ADT: 330

LOGGING ROAD

Good

Over: FEATHER DUSTER CREEK

SUNTAHEEN, Hoonah-Angoon, AK

Built 1994 Load: 49.6 t ADT: 50

FDR 6585

Good

Over: STREAM - PERM

ZAREMBO ISLAND, Wrangell City and, AK

Built 1986 Load: 49.6 t

ELLIOTT HIGHWAY

Good

Over: BAKER CREEK

MILE POINT 130.5, Yukon-Koyukuk, AK

Built 1998 Load: 49.6 t ADT: 40

LOGGING ROAD

Good

Over: CREEK

SUNTAHEEN, Hoonah-Angoon, AK

Built 1994 Load: 49.9 t ADT: 50

LOGGING ROAD

Good

Over: FALSE CREEK

FALSE ISLAND, Sitka City and, AK

Built 1982 Load: 49.9 t

2000000-114.664

Good

Over: PERM 114.6640

LAB BAY, Prince of Wales-Hyder, AK

Built 1989 Load: 50.2 t ADT: 10

2000000-115.539

Good

Over: PERM 115.539

LAB BAY, Prince of Wales-Hyder, AK

Built 1987 Load: 50.2 t ADT: 10

2700000-2.65

Good

Over: PERM

WHALE PASS, Prince of Wales-Hyder, AK

Built 1986 Load: 50.2 t ADT: 50

SEWARD HIGHWAY

Good

Over: TRAIL RIVER

MILE POINT 25.1, Kenai Peninsula, AK

Built 2013 Load: 50.9 t ADT: 1,700

LOGGING ROAD

Good

Over: KENNEL CREEK

FRESHWATER KENNEL CREEK, Hoonah-Angoon, AK

Built 1986 Load: 51.2 t

2100000-1.95

Good

Over: PERM

12 MILE, Prince of Wales-Hyder, AK

Built 1985 Load: 51.2 t ADT: 10

2000000-3.269

Good

Over: PERM

NAUKATI, Prince of Wales-Hyder, AK

Built 1986 Load: 51.8 t ADT: 50

LOGGING ROAD

Good

Over: CREEK

FRESHWATER PAVLOV, Hoonah-Angoon, AK

Built 1986 Load: 52.5 t

3000000-78.345

Good

Over: PERM

WHALE PASS, Prince of Wales-Hyder, AK

Built 1986 Load: 52.5 t ADT: 50

FDR 6270

Good

Over: STREAM - PERM

WRANGELL ISLAND, Wrangell City and, AK

Built 1982 Load: 52.5 t ADT: 10

FDR 6270

Good

Over: STREAM - PERM

WRANGELL ISLAND, Wrangell City and, AK

Built 1982 Load: 52.5 t ADT: 10

ELLIOTT HIGHWAY

Good

Over: WASHINGTON CREEK

MILE POINT 17.2, Fairbanks North Star, AK

Built 2007 Load: 52.7 t ADT: 390

OLD GLENN, EAGLE R

Good

Over: PETERS CREEK

MILE POINT 7.4, Anchorage, AK

Built 2011 Load: 52.8 t ADT: 2,300

LOGGING ROAD

Good

Over: CREEK

FRESHWATER PAVLOV, Hoonah-Angoon, AK

Built 1986 Load: 53.1 t

LOGGING ROAD

Good

Over: STREAM

KUPREANOF ISLAND AT KAKE, Petersburg, AK

Built 2003 Load: 53.1 t ADT: 10

2000000-124.153

Good

Over: PERM 124.153

LAB BAY, Prince of Wales-Hyder, AK

Built 1987 Load: 53.5 t ADT: 10

FDR 6590

Good

Over: STREAM - PERM

ZAREMBO ISLAND, Wrangell City and, AK

Built 1992 Load: 53.8 t ADT: 5

GOLDSTREAM ROAD

Good

Over: O'CONNOR CREEK

MILE POINT 9.2, Fairbanks North Star, AK

Built 2013 Load: 54.4 t ADT: 1,520

LOGGING ROAD

Good

Over: STREAM

FRESHWATER WACHUSETT COVE, Hoonah-Angoon, AK

Built 1993 Load: 54.4 t

2000000-11.076

Good

Over: PERM

NAUKATI, Prince of Wales-Hyder, AK

Built 1986 Load: 54.4 t ADT: 50

FDR 6590

Good

Over: STREAM - PERM

ZAREMBO ISLAND, Wrangell City and, AK

Built 1992 Load: 54.4 t ADT: 5

TOK CUTOFF

Good

Over: SLANA RIVER

MILE POINT 74.3, Copper River, AK

Built 2017 Load: 55.1 t ADT: 220

LOGGING ROAD

Good

Over: STREAM

FRESHWATER PAVLOV, Hoonah-Angoon, AK

Built 1986 Load: 55.1 t

LOGGING ROAD

Good

Over: BEAVER POND

FRESHWATER, Hoonah-Angoon, AK

Built 2013 Load: 55.1 t ADT: 10

NO DATA ENTERED

Good

Over: NO DATA ENTERED

FRESHWATER, Hoonah-Angoon, AK

Built 2013 Load: 55.1 t ADT: 10

Showing 701-750 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.