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

ROAD

Fair

Over: STREAM

KUIU ISLAND, Petersburg, AK

Built 1979 Load: 19.8 t

NO DATA ENTERED

Fair

Over: NO DATA ENTERED

MITKOF ISLAND, Petersburg, AK

Built 1979 Load: 19.8 t ADT: 10

2052000

Fair

Over: NO DATA ENTERED

STANEY, Prince of Wales-Hyder, AK

Built 1977 Load: 19.8 t ADT: 10

2030790-0.03

Fair

Over: MOD

THORNE BAY, Prince of Wales-Hyder, AK

Built 1979 Load: 19.8 t ADT: 10

2050000

Fair

Over: PERM

STANEY, Prince of Wales-Hyder, AK

Built 1980 Load: 19.8 t ADT: 10

2054000-1.08

Fair

Over: MOD

STANEY, Prince of Wales-Hyder, AK

Built 1980 Load: 19.8 t ADT: 10

3000000-45.30

Fair

Over: PERM

RATZ, Prince of Wales-Hyder, AK

Built 1987 Load: 19.8 t ADT: 50

3000330-0.60

Fair

Over: MOD

RATZ, Prince of Wales-Hyder, AK

Built 1985 Load: 19.8 t

3000346-0.70

Fair

Over: MOD

RATZ, Prince of Wales-Hyder, AK

Built 1980 Load: 19.8 t

3015000-6.44

Fair

Over: MOD

THORNE BAY, Prince of Wales-Hyder, AK

Built 1981 Load: 19.8 t ADT: 5

NO DATA ENTERED

Fair

Over: MOD

CONTROL LAKE, Prince of Wales-Hyder, AK

Built 1980 Load: 19.8 t ADT: 5

3030700-3.61

Fair

Over: MOD

COFFMAN, Prince of Wales-Hyder, AK

Built 1980 Load: 19.8 t ADT: 5

NO DATA ENTERED

Fair

Over: NO DATA ENTERED

LANCASTER, Prince of Wales-Hyder, AK

Built 1989 Load: 19.8 t

LOGGING ROAD

Fair

Over: STREAM 1991

CORNER BAY, Sitka City and, AK

Built 1991 Load: 19.8 t

FDR 6539

Fair

Over: STREAM

ETOLIN ISLAND, Wrangell City and, AK

Built 1982 Load: 19.8 t

FDR 6540

Fair

Over: STREAM - HAMILTON 40R31

ETOLIN ISLAND, Wrangell City and, AK

Built 1982 Load: 19.8 t

FDR 6540

Fair

Over: STREAM - HAMILTON 80R23

ETOLIN ISLAND, Wrangell City and, AK

Built 1982 Load: 19.8 t

FDR 6540

Fair

Over: STREAM - HAMILTON 40R37

ETOLIN ISLAND, Wrangell City and, AK

Built 1982 Load: 19.8 t

FDR 6540

Fair

Over: STREAM - HAMILTON 30R21

ETOLIN ISLAND, Wrangell City and, AK

Built 1982 Load: 19.8 t

FDR 6540

Fair

Over: STREAM- HAMILTON 40R38

ETOLIN ISLAND, Wrangell City and, AK

Built 1983 Load: 19.8 t

FDR 6540

Fair

Over: STREAM- HAMILTON 30R22

ETOLIN ISLAND, Wrangell City and, AK

Built 1983 Load: 19.8 t

FDR 6545

Fair

Over: STREAM - HAMILTON 50R37

ETOLIN ISLAND, Wrangell City and, AK

Built 1983 Load: 19.8 t

FDR 6546

Fair

Over: STREAM

ETOLIN ISLAND, Wrangell City and, AK

Built 1982 Load: 19.8 t

FDR 6546

Fair

Over: STREAM

ETOLIN ISLAND, Wrangell City and, AK

Built 1982 Load: 19.8 t

LOGGING ROAD

Fair

Over: NO DATA ENTERED

ZAREMBO ISLAND, Wrangell City and, AK

Built 1977 Load: 19.8 t

VANDENBERG AVENUE

Fair

Over: SHIP CREEK

Approximately 0.25 miles, Anchorage, AK

Built 1968 Load: 20.0 t ADT: 10,000

IRR BIA RTE 1026

Fair

Over: BIG CREEK

2.5 Mi. SE OF PORT GRAHAM, Kenai Peninsula, AK

Built 1995 Load: 20.0 t ADT: 10

IRR BIA RTE 8PGH

Fair

Over: DOG SALMON CREEK

13.3 MI EAST OF PORT GRAH, Kenai Peninsula, AK

Built 1997 Load: 20.0 t ADT: 10

DENALI PARK ROAD

Fair

Over: EAST FORK TOKLAT RIVER

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

Built 1955 Load: 20.0 t ADT: 300

ROAD

Fair

Over: STREAM -1990

EIGHT FATHOM BIGHT, Hoonah-Angoon, AK

Built 1990 Load: 20.1 t

8000000-21.711

Fair

Over: MOD

MARGARET, Ketchikan Gateway, AK

Built 1992 Load: 20.1 t

8040000

Fair

Over: MOD

MARGARET, Ketchikan Gateway, AK

Built 1989 Load: 20.1 t

8340000

Fair

Over: MOD

SHELTER, Ketchikan Gateway, AK

Built 1993 Load: 20.1 t

1080840-1.44

Fair

Over: NO DATA ENTERED

SUEMEZ, Prince of Wales-Hyder, AK

Built 1992 Load: 20.1 t

3018200

Fair

Over: MOD

THORNE BAY, Prince of Wales-Hyder, AK

Built 1991 Load: 20.1 t ADT: 10

2083-3.486

Fair

Over: MOD

LAB BAY, Prince of Wales-Hyder, AK

Built 1991 Load: 20.1 t

ROAD

Fair

Over: STREAM -1977

EIGHT FATHOM BIGHT, Hoonah-Angoon, AK

Built 1977 Load: 20.4 t

ROAD

Fair

Over: STREAM -1990

EIGHT FATHOM BIGHT, Hoonah-Angoon, AK

Built 1979 Load: 20.4 t

LOGGING ROAD

Fair

Over: MUD RIVER

EIGHT FATHOM BIGHT, Hoonah-Angoon, AK

Built 1992 Load: 20.4 t

2083000-1.13

Fair

Over: NO DATA ENTERED

LAB BAY, Prince of Wales-Hyder, AK

Built 1991 Load: 20.4 t

3017000

Fair

Over: MOD

THORNE BAY, Prince of Wales-Hyder, AK

Built 1991 Load: 20.4 t

IRR BIA RTE 8PGH

Fair

Over: BIG CREEK

6.5 MI SE OF PORT GRAHAM,, Kenai Peninsula, AK

Built 1996 Load: 20.9 t ADT: 10

IRR BIA ROUTE 008

Fair

Over: UNNAMED STREAM

S OF KLAWOCK LAKE, 3.7 MI, Prince of Wales-Hyder, AK

Built 1990 Load: 20.9 t ADT: 1

RICHARDSON HIGHWAY

Fair

Over: FLOOD CREEK

MILE POINT 223.9, Southeast Fairbanks, AK

Built 1954 Load: 21.2 t ADT: 280

RICHARDSON HIGHWAY

Fair

Over: BOULDER CREEK

MILE POINT 226.5, Southeast Fairbanks, AK

Built 1954 Load: 21.2 t ADT: 280

8040000

Fair

Over: MOD

MARGARET, Ketchikan Gateway, AK

Built 1989 Load: 21.4 t

IRR BIA RTE 1

Fair

Over: TENT CREEK

10.5 KM SE OF METLAKATLA, Prince of Wales-Hyder, AK

Built 1993 Load: 21.4 t ADT: 35

NABESNA ROAD

Fair

Over: SLANA RIVER

MILE POINT 1.5, Copper River, AK

Built 1968 Load: 21.7 t ADT: 130

8340000

Fair

Over: MOD

SHELTER, Ketchikan Gateway, AK

Built 1990 Load: 21.7 t

ILLINOIS/CUSHMAN

Fair

Over: CHENA RIVER (CUSHMAN)

MILE POINT 3.3, Fairbanks North Star, AK

Built 1960 Load: 21.8 t ADT: 7,390

Showing 101-150 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.