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: LITTLE CREEK

LAB BAY, Prince of Wales-Hyder, AK

Built 2014 Load: 36.3 t ADT: 10

DENALI PARK ROAD

Good

Over: MOOSE CREEK

89.2 MILES WEST OF AK ROU, Yukon-Koyukuk, AK

Built 1986 Load: 36.3 t ADT: 100

TOK CUTOFF

Good

Over: PORCUPINE CREEK

MILE POINT 63.0, Copper River, AK

Built 1982 Load: 36.4 t ADT: 220

IRR BIA RTE 28

Good

Over: UNNAMED STREAM

1.8KM DOWN FS6328 FM 6014, Prince of Wales-Hyder, AK

Built 1990 Load: 36.4 t ADT: 1

8000030

Good

Over: PERM

WARD LAKE, Ketchikan Gateway, AK

Built 1991 Load: 36.6 t ADT: 50

ALASKA HIGHWAY

Good

Over: CATHEDRAL RAPIDS NO 1

MILE POINT 114.1, Southeast Fairbanks, AK

Built 1985 Load: 36.8 t ADT: 230

PARKS HIGHWAY

Good

Over: MONDEROSA OVERHEAD

MILE POINT 273.1, Yukon-Koyukuk, AK

Built 2003 Load: 36.9 t ADT: 1,570

FROSTY ROAD

Good

Over: FROSTY CREEK

FROSTY ROAD SW COLD BAY, Aleutians East, AK

Built 1999 Load: 37.2 t ADT: 10

ALASKA HIGHWAY

Good

Over: CATHEDRAL RAPIDS NO 2

MILE POINT 114.6, Southeast Fairbanks, AK

Built 1985 Load: 37.3 t ADT: 230

IRR BIA RTE 28

Good

Over: UNNAMED STREAM

11.8KM DOWN FS 6328, Prince of Wales-Hyder, AK

Built 1990 Load: 37.4 t ADT: 5

ROAD

Good

Over: N FORK FRESHWARTER CREEK

FRESHWATER, Hoonah-Angoon, AK

Built 2018 Load: 37.9 t ADT: 10

SEWARD HIGHWAY

Good

Over: TIDEWATER SLOUGH

MILE POINT 89.6, Anchorage, AK

Built 1995 Load: 38.0 t ADT: 6,660

SUMMERS BAY ROAD

Good

Over: SUMMERS BAY CREEK

6.4 KM NORTH OF UNALASKA, Aleutians West, AK

Built 2014 Load: 38.1 t ADT: 20

NO DATA ENTERED

Good

Over: STREAM

JUNEAU, Juneau City and, AK

Built 2019 Load: 38.2 t ADT: 50

LOGGING ROAD

Good

Over: STREAM

KUPREANOF ISLAND AT KAKE, Petersburg, AK

Built 1983 Load: 38.2 t ADT: 10

FISHHOOK/PALMER RD

Good

Over: LITTLE SUSITNA RIVER

MILE POINT 8.5, Matanuska-Susitna, AK

Built 1991 Load: 38.5 t ADT: 1,030

LOGGING ROAD

Good

Over: STREAM

FRESHWATER WACHUSETT COVE, Hoonah-Angoon, AK

Built 1993 Load: 38.9 t

LOGGING ROAD

Good

Over: STREAM

TONKA, Petersburg, AK

Built 1990 Load: 38.9 t ADT: 5

BIA RT 0007

Good

Over: BENNET CREEK

2.4 MILES NE METLAKATLA, Prince of Wales-Hyder, AK

Built 2007 Load: 39.2 t ADT: 75

2000000-6.162

Good

Over: PERM

NAUKATI, Prince of Wales-Hyder, AK

Built 1990 Load: 39.2 t ADT: 50

25-0.296

Good

Over: PERM

WHALE PASS, Prince of Wales-Hyder, AK

Built 1996 Load: 39.2 t ADT: 50

IRR:BETHEL HIGHWAY

Good

Over: BROWNS SLOUGH

MILE POINT 0.0, Bethel, AK

Built 1996 Load: 39.6 t ADT: 2,380

TWIN LAKES DRIVE

Good

Over: SALMON CREEK

MILE POINT 1.6, Juneau City and, AK

Built 1989 Load: 39.6 t ADT: 2,450

LOGGING ROAD

Good

Over: STREAM

MITKOF ISLAND, Petersburg, AK

Built 2017 Load: 39.9 t ADT: 50

LOGGING ROAD

Good

Over: STREAM

KUIU ISLAND, Petersburg, AK

Built 1991 Load: 40.2 t

SEWARD HIGHWAY

Good

Over: PETERSON CREEK

MILE POINT 83.4, Anchorage, AK

Built 2019 Load: 40.4 t ADT: 4,276

SEWARD HIGHWAY

Good

Over: GLACIER CREEK

MILEPOINT 89.1, Anchorage, AK

Built 2019 Load: 40.4 t ADT: 4,276

C STREET

Good

Over: CAMPBELL CREEK, C STREET

MILE POINT 6.1, Anchorage, AK

Built 2003 Load: 40.4 t ADT: 12,600

RICHARDSON HIGHWAY

Good

Over: LOWE RIVER UPPER CROSS

MILE POINT 20.3, Chugach, AK

Built 1985 Load: 40.4 t ADT: 810

RICHARDSON HIGHWAY

Good

Over: PHELAN CREEK

MILE POINT 204.3, Copper River, AK

Built 2014 Load: 40.4 t ADT: 280

TOK CUTOFF

Good

Over: GAKONA RIVER

MILE POINT 1.8, Copper River, AK

Built 2010 Load: 40.4 t ADT: 410

TOK CUTOFF

Good

Over: TULSONA CREEK

MILE POINT 17.6, Copper River, AK

Built 2016 Load: 40.4 t ADT: 330

PARKS HIGHWAY

Good

Over: RILEY CREEK

MILE POINT 201.6, Denali, AK

Built 2015 Load: 40.4 t ADT: 1,680

HAINES HIGHWAY

Good

Over: MUNCASTER CREEK

MILE POINT 28.3, Haines, AK

Built 1999 Load: 40.4 t ADT: 160

GLACIER HIGHWAY

Good

Over: MENDENHALL RIVER

MILE POINT 9.3, Juneau City and, AK

Built 2015 Load: 40.4 t ADT: 15,923

SEWARD HIGHWAY

Good

Over: RESURRECTION RIVER NO 3

MILE POINT 3.1, Kenai Peninsula, AK

Built 2003 Load: 40.4 t ADT: 6,840

MITKOF HIGHWAY

Good

Over: OHMER CREEK

MILE POINT 20.2, Petersburg, AK

Built 2007 Load: 40.4 t ADT: 80

MITKOF HIGHWAY

Good

Over: TWIN CREEK

MILE POINT 6.6, Petersburg, AK

Built 1996 Load: 40.4 t ADT: 760

HYDABURG HIGHWAY

Good

Over: UNNAMED CREEK @ STA 287

MILE POINT 3.6, Prince of Wales-Hyder, AK

Built 1985 Load: 40.4 t ADT: 80

HYDABURG HIGHWAY

Good

Over: UNNAMED CREEK @ STA 374

MILE POINT 5.2, Prince of Wales-Hyder, AK

Built 1985 Load: 40.4 t ADT: 80

SAWMILL CR ROAD

Good

Over: INDIAN RIVER

MILE POINT 0.6, Sitka City and, AK

Built 2007 Load: 40.4 t ADT: 7,870

RICHARDSON HIGHWAY

Good

Over: JARVIS CREEK

MILE POINT 267.6, Southeast Fairbanks, AK

Built 2015 Load: 40.4 t ADT: 1,880

LOGGING ROAD

Good

Over: CREEK

GAME CREEK, Hoonah-Angoon, AK

Built 2020 Load: 40.5 t ADT: 50

OLD STERLING HWY

Good

Over: ANCHOR RIVER

MILE POINT 8.4, Kenai Peninsula, AK

Built 2021 Load: 40.5 t ADT: 1,380

8400000

Good

Over: PERM

SHOAL COVE, Ketchikan Gateway, AK

Built 1987 Load: 40.5 t ADT: 5

BACK LOOP RD

Good

Over: MONTANA CREEK

MILE POINT 4.5, Juneau City and, AK

Built 1985 Load: 40.6 t ADT: 2,770

IRR:CHICKALOON FRK

Good

Over: CHICKALOON RIVER NO. 2

MILE POINT 1.1, Matanuska-Susitna, AK

Built 1982 Load: 40.7 t ADT: 40

IRR:AIRPORT ROAD

Good

Over: HOONAH FERRY TERMINAL

HOONAH, Hoonah-Angoon, AK

Built 2011 Load: 40.8 t ADT: 45

NO DATA ENTERED

Good

Over: SUNTAHEEN CREEK

SUNTAHEEN, Hoonah-Angoon, AK

Built 1987 Load: 40.8 t

BIA RT 0007

Good

Over: JAPAN II CREEK

3.2 MILES N OF METLAKATLA, Prince of Wales-Hyder, AK

Built 2007 Load: 40.8 t ADT: 75

Showing 601-650 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.