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

NORTH TONGASS HWY

Good

Over: FIRST WATERFALL CREEK

MILE POINT 13.9, Ketchikan Gateway, AK

Built 2019 Load: 55.1 t ADT: 330

NORTH TONGASS HWY

Good

Over: SECOND WATERFALL CREEK

MILE POINT 14.5, Ketchikan Gateway, AK

Built 2019 Load: 55.1 t ADT: 330

NO DATA ENTERED

Good

Over: NO DATA ENTERED

THORNE BAY, Prince of Wales-Hyder, AK

Built 2010 Load: 55.1 t ADT: 10

2050400-0.56

Good

Over: NO DATA ENTERED

STANEY, Prince of Wales-Hyder, AK

Built 2013 Load: 55.1 t ADT: 10

NO DATA ENTERED

Good

Over: NO DATA ENTERED

THORNE BAY, Prince of Wales-Hyder, AK

Built 2017 Load: 55.1 t ADT: 5

NO DATA ENTERED

Good

Over: NO DATA ENTERED

COFFMAN, Prince of Wales-Hyder, AK

Built 2016 Load: 55.1 t ADT: 50

PARKS HIGHWAY

Good

Over: LITTLE GOLDSTREAM CK

MILE POINT 279.1, Yukon-Koyukuk, AK

Built 2021 Load: 55.2 t ADT: 1,570

2000000-11.609

Good

Over: PERM

NAUKATI, Prince of Wales-Hyder, AK

Built 1986 Load: 55.4 t ADT: 50

3000000-84.181

Good

Over: STREAM

WHALE PASS, Prince of Wales-Hyder, AK

Built 2010 Load: 55.7 t ADT: 10

FDR 3270

Good

Over: STREAM - PERM

WRANGELL ISLAND, Wrangell City and, AK

Built 1982 Load: 55.7 t ADT: 10

SEWARD HIGHWAY

Good

Over: PTARMIGAN CREEK

MILE POINT 22.9, Kenai Peninsula, AK

Built 2012 Load: 55.8 t ADT: 1,700

SEWARD HIGHWAY

Good

Over: FALLS CREEK

MILE POINT 24.8, Kenai Peninsula, AK

Built 2012 Load: 55.8 t ADT: 1,700

DENALI HIGHWAY

Good

Over: ROCK CREEK

MILE POINT 24.8, Chugach, AK

Built 2021 Load: 55.9 t ADT: 40

RIVER ROAD

Good

Over: CHENA RIVER

B/T KENNEY RD & NAUTILUS, Fairbanks North Star, AK

Built 2020 Load: 56.1 t ADT: 50

FDR 6265

Good

Over: STREAM

WRANGELL ISLAND, Wrangell City and, AK

Built 1982 Load: 56.4 t ADT: 50

SHOTGUN COVE ROAD

Good

Over: SECOND SALMON RUN E FORK

MILE POINT 7.1, Chugach, AK

Built 2016 Load: 58.2 t ADT: 50

CHENA HOT SPR RD

Good

Over: JENNY M CREEK

MILE POINT 20.0, Fairbanks North Star, AK

Built 2019 Load: 58.7 t ADT: 1,850

SEWARD HIGHWAY

Good

Over: VIRGIN CREEK

MILE POINT 88.5, Anchorage, AK

Built 2019 Load: 58.8 t ADT: 4,276

3000000-60.02

Good

Over: PERM

COFFMAN, Prince of Wales-Hyder, AK

Built 1983 Load: 59.0 t ADT: 50

PARKS HIGHWAY

Good

Over: MIDDLE FORK CHULITNA RIV

MILE POINT 160.3, Matanuska-Susitna, AK

Built 2016 Load: 59.1 t ADT: 900

3000000-28.30

Good

Over: PERM

THORNE BAY, Prince of Wales-Hyder, AK

Built 1991 Load: 59.6 t ADT: 50

MISSION AVENUE

Good

Over: NINILCHIK RIVER

MILE POINT 0.2, Kenai Peninsula, AK

Built 2014 Load: 59.7 t ADT: 180

NO DATA ENTERED

Good

Over: SLIDE

SITKA, Sitka City and, AK

Built 2002 Load: 59.9 t ADT: 30

TERN LAKE ROAD

Good

Over: DAVE'S CREEK

NO DATA ENTERED, Kenai Peninsula, AK

Built 2009 Load: 60.9 t ADT: 10

NO DATA ENTERED

Good

Over: NO DATA ENTERED

MITKOF ISLAND, Petersburg, AK

Built 2005 Load: 60.9 t ADT: 50

ROAD

Good

Over: NO DATA ENTERED

SITKA, Sitka City and, AK

Built 2002 Load: 61.2 t ADT: 99

FDR 6542

Good

Over: STREAM - GLUELAM SLAB

ETOLIN ISLAND, Wrangell City and, AK

Built 2000 Load: 61.2 t

NO DATA ENTERED

Good

Over: NO DATA ENTERED

THOMAS BAY, Petersburg, AK

Built 2006 Load: 64.5 t

LOGGING ROAD

Good

Over: BEAVER POND

CORNER BAY, Sitka City and, AK

Built 2004 Load: 64.5 t

LOGGING ROAD

Good

Over: STREAM

CORNER BAY, Sitka City and, AK

Built 2004 Load: 64.5 t

LOGGING ROAD

Good

Over: STREAM

CORNER BAY, Sitka City and, AK

Built 2004 Load: 64.5 t

ELLIOTT HIGHWAY

Good

Over: HUTLINANA CREEK

MILE POINT 122.0, Yukon-Koyukuk, AK

Built 2004 Load: 65.2 t ADT: 56

NO DATA ENTERED

Good

Over: NO DATA ENTERED

HOONAH - LONG ISLAND, Hoonah-Angoon, AK

Built 2005 Load: 65.8 t ADT: 50

2100000-4.6

Good

Over: NO DATA ENTERED

12 MILE, Prince of Wales-Hyder, AK

Built 2005 Load: 65.8 t ADT: 10

2100000-0.21

Good

Over: TRIBUTARY TO 12-MILE CK

12 MILE, Prince of Wales-Hyder, AK

Built 2015 Load: 66.4 t ADT: 10

3000020-0.51

Good

Over: PERM

CONTROL LAKE, Prince of Wales-Hyder, AK

Built 1984 Load: 68.7 t ADT: 50

2100000-6.5

Good

Over: TRIBUTARY TO 12-MILE CK

12 MILE, Prince of Wales-Hyder, AK

Built 2015 Load: 69.0 t ADT: 10

3000000-24.82

Good

Over: NO DATA ENTERED

THORNE BAY, Prince of Wales-Hyder, AK

Built 2008 Load: 69.7 t ADT: 50

NORTH THORNE

Good

Over: MOD

THORNE BAY, Prince of Wales-Hyder, AK

Built 2010 Load: 69.7 t ADT: 5

8060000-3.286

Good

Over: NO DATA ENTERED

FIRE COVE, Ketchikan Gateway, AK

Built 2005 Load: 70.0 t

8430000

Good

Over: ELDERBERRY CREEK

SHOAL COVE, Ketchikan Gateway, AK

Built 2011 Load: 70.0 t ADT: 5

8430000

Good

Over: MONTY PYTHON CREEK

SHOAL COVE, Ketchikan Gateway, AK

Built 2011 Load: 70.0 t ADT: 5

8440000

Good

Over: RED BULL SLOUGH

SHOAL COVE, Ketchikan Gateway, AK

Built 2011 Load: 70.0 t ADT: 5

MARGARET

Good

Over: NO DATA ENTERED

MARGARET, Ketchikan Gateway, AK

Built 2010 Load: 70.0 t

NO DATA ENTERED

Good

Over: PERM

ZAREMBO ISLAND, Wrangell City and, AK

Built 2002 Load: 70.0 t ADT: 5

NO DATA ENTERED

Good

Over: NO DATA ENTERED

ETOLIN ISLAND, Wrangell City and, AK

Built 2010 Load: 70.0 t

NO DATA ENTERED

Good

Over: GAME CREEK TRIBUTARY

GAME CREEK, Hoonah-Angoon, AK

Built 2012 Load: 70.3 t ADT: 50

NO DATA ENTERED

Good

Over: NO DATA ENTERED

RATZ, Prince of Wales-Hyder, AK

Built 2012 Load: 70.3 t ADT: 50

NO DATA ENTERED

Good

Over: NO DATA ENTERED

RATZ, Prince of Wales-Hyder, AK

Built 2012 Load: 70.3 t ADT: 50

NO DATA ENTERED

Good

Over: NO DATA ENTERED

WHALE PASS, Prince of Wales-Hyder, AK

Built 2012 Load: 70.3 t ADT: 10

Showing 751-800 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.