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: STREAM

KUPREANOF ISLAND, PORTAGE, Petersburg, AK

Built 1997 Load: 32.7 t

LOGGING ROAD

Good

Over: STREAM

KUPREANOF ISLAND AT KAKE, Petersburg, AK

Built 1996 Load: 32.7 t

LOGGING ROAD

Good

Over: STREAM

KUIU ISLAND, Petersburg, AK

Built 1977 Load: 32.7 t ADT: 5

6415

Good

Over: NO DATA ENTERED

KUIU ISLAND, Petersburg, AK

Built 2002 Load: 32.7 t ADT: 5

LOGGING ROAD

Good

Over: STREAM

KUPREANOF ISLAND AT KAKE, Petersburg, AK

Built 1998 Load: 32.7 t ADT: 10

LOGGING ROAD

Good

Over: STREAM

KUPREANOF ISLAND AT KAKE, Petersburg, AK

Built 1998 Load: 32.7 t ADT: 10

LOGGING ROAD

Good

Over: STREAM

KUPREANOF ISLAND AT KAKE, Petersburg, AK

Built 1998 Load: 32.7 t ADT: 10

LOGGING ROAD

Good

Over: STREAM

KUPREANOF ISLAND AT KAKE, Petersburg, AK

Built 1998 Load: 32.7 t

LOGGING ROAD

Good

Over: NO DATA ENTERED

TONKA, Petersburg, AK

Built 2003 Load: 32.7 t ADT: 10

NO DATA ENTERED

Good

Over: NO DATA ENTERED

KUPREANOF ISLAND AT KAKE, Petersburg, AK

Built 2003 Load: 32.7 t ADT: 10

NO DATA ENTERED

Good

Over: STREAM

MITKOF ISLAND, Petersburg, AK

Built 2000 Load: 32.7 t ADT: 10

ROAD

Good

Over: STREAM

KUPREANOF ISLAND, PORTAGE, Petersburg, AK

Built 1996 Load: 32.7 t

LOGGING ROAD

Good

Over: STREAM

KUIU ISLAND, Petersburg, AK

Built 1998 Load: 32.7 t

LOGGING ROAD

Good

Over: NO DATA ENTERED

KUIU ISLAND, Petersburg, AK

Built 2003 Load: 32.7 t

NO DATA ENTERED

Good

Over: NO DATA ENTERED

TONKA, Petersburg, AK

Built 2004 Load: 32.7 t ADT: 5

LOGGING ROAD

Good

Over: STREAM

KUPREANOF ISLAND AT KAKE, Petersburg, AK

Built 2003 Load: 32.7 t ADT: 10

NO DATA ENTERED

Good

Over: NO DATA ENTERED

MITKOF ISLAND, Petersburg, AK

Built 2010 Load: 32.7 t ADT: 50

2050000-23.878

Good

Over: NO DATA ENTERED

SHAHEEN, Prince of Wales-Hyder, AK

Built 1995 Load: 32.7 t

3013150-0.63

Good

Over: MOD

CONTROL LAKE, Prince of Wales-Hyder, AK

Built 1978 Load: 32.7 t ADT: 5

2050

Good

Over: PERM

SHAHEEN, Prince of Wales-Hyder, AK

Built 1998 Load: 32.7 t

NO DATA ENTERED

Good

Over: NO DATA ENTERED

LANCASTER, Prince of Wales-Hyder, AK

Built 2006 Load: 32.7 t

2100000-14.38

Good

Over: NO DATA ENTERED

POLK, Prince of Wales-Hyder, AK

Built 2005 Load: 32.7 t ADT: 10

2024300-1.067

Good

Over: NO DATA ENTERED

HOLLIS, Prince of Wales-Hyder, AK

Built 2007 Load: 32.7 t ADT: 5

2000300-1.352

Good

Over: NO DATA ENTERED

CONTROL LAKE, Prince of Wales-Hyder, AK

Built 2003 Load: 32.7 t ADT: 10

3015600-1.15

Good

Over: NO DATA ENTERED

THORNE BAY, Prince of Wales-Hyder, AK

Built 2003 Load: 32.7 t ADT: 5

NO DATA ENTERED

Good

Over: NO DATA ENTERED

WHALE PASS, Prince of Wales-Hyder, AK

Built 2011 Load: 32.7 t ADT: 50

NO DATA ENTERED

Good

Over: NO DATA ENTERED

WHALE PASS, Prince of Wales-Hyder, AK

Built 2011 Load: 32.7 t ADT: 50

NO DATA ENTERED

Good

Over: NO DATA ENTERED

WHALE PASS, Prince of Wales-Hyder, AK

Built 2011 Load: 32.7 t ADT: 10

NO DATA ENTERED

Good

Over: NO DATA ENTERED

WHALE PASS, Prince of Wales-Hyder, AK

Built 2011 Load: 32.7 t ADT: 10

LOGGING ROAD

Good

Over: N FORK WHITE ROCK CREEK

FALSE ISLAND, Sitka City and, AK

Built 1975 Load: 32.7 t

NO DATA ENTERED

Good

Over: NO DATA ENTERED

WRANGELL ISLAND, Wrangell City and, AK

Built 2004 Load: 32.7 t ADT: 10

NO DATA ENTERED

Good

Over: NO DATA ENTERED

ZAREMBO ISLAND, Wrangell City and, AK

Built 2004 Load: 32.7 t ADT: 5

NO DATA ENTERED

Good

Over: NO DATA ENTERED

ZAREMBO ISLAND, Wrangell City and, AK

Built 2004 Load: 32.7 t ADT: 5

LOGGING ROAD

Good

Over: SUNTAHEEN CREEK

SUNTAHEEN, Hoonah-Angoon, AK

Built 2018 Load: 33.0 t ADT: 10

3000000-80.894

Good

Over: PERM

WHALE PASS, Prince of Wales-Hyder, AK

Built 1986 Load: 33.4 t ADT: 50

SEWARD HIGHWAY

Good

Over: BEAR CREEK

MILE POINT 6.6, Kenai Peninsula, AK

Built 1979 Load: 33.5 t ADT: 3,510

DELTA-NISTLER ROAD

Good

Over: JARVIS CREEK OVERFLOW #2

MILE POINT 1.1, Southeast Fairbanks, AK

Built 1996 Load: 33.7 t ADT: 1,250

ARKANSAS RANGE RD

Good

Over: BRANCH DELTA RIVER

1.8 KM NE OF XBRIE2, Fairbanks North Star, AK

Built 2022 Load: 34.0 t ADT: 25

ARKANSAS RANGE RD

Good

Over: BRANCH OF DELTA RIVER

1.8 KM SW OF XBRIE, Fairbanks North Star, AK

Built 2022 Load: 34.0 t ADT: 25

FDR 6590

Good

Over: STREAM - PERM

ZAREMBO ISLAND, Wrangell City and, AK

Built 1988 Load: 34.0 t ADT: 5

COPPER RIVER HWY

Good

Over: COPPER DELTA

MILE POINT 35.6, Chugach, AK

Built 1977 Load: 34.3 t ADT: 40

2100000-5.07

Good

Over: PERM

12 MILE, Prince of Wales-Hyder, AK

Built 1985 Load: 34.3 t ADT: 10

IRR:NKNK-KNG SALMN

Good

Over: PAULS CREEK

MILE POINT 9.4, Bristol Bay, AK

Built 1960 Load: 34.9 t ADT: 520

3000000-79.776

Good

Over: PERM

WHALE PASS, Prince of Wales-Hyder, AK

Built 1986 Load: 35.0 t ADT: 50

BIA RT 0007

Good

Over: TAIN CREEK

WALDEN POINT RD, Prince of Wales-Hyder, AK

Built 2007 Load: 35.1 t ADT: 75

OLD GLACIER HWY

Good

Over: LEMON CREEK

MILE POINT 2.3, Juneau City and, AK

Built 1982 Load: 35.3 t ADT: 6,520

BRODY LANE

Good

Over: NINILCHIK RIV BRODY LN

MILE POINT 0.5, Kenai Peninsula, AK

Built 2003 Load: 35.7 t ADT: 50

STEESE HIGHWAY

Good

Over: SOURDOUGH CREEK

MILE POINT 62.8, Fairbanks North Star, AK

Built 1983 Load: 35.8 t ADT: 120

BIA RT 0007

Good

Over: CHESTER CREEK

WALDEN PT RD, Prince of Wales-Hyder, AK

Built 2006 Load: 36.0 t ADT: 75

RIVER ROAD

Good

Over: CHENA RIVER

INT OF GAFFNEY RD, Fairbanks North Star, AK

Built 1988 Load: 36.2 t ADT: 1,500

Showing 551-600 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.