State profile · Below median Poor share

Washington bridge safety

Condition ratings, load ratings, and Poor-condition data for every public highway bridge in Washington, based on the FHWA National Bridge Inventory.

8,808
Public bridges
42.4%
Good condition
4.8%
Poor condition

Data updated May 2026

Total Bridges

8,808

Public highway bridges in Washington

Good Condition

42.4%

3,734 bridges rated 7-9

-7.6pp vs 50% benchmark

Poor Condition

4.8%

424 bridges whose lowest applicable component is rated 0-4

-2.2pp vs national avg 7.0%

Washington vs national bridge condition

Washington - Good condition share 42.4%
National avg

Share of bridges rated 7-9 on the FHWA 0-9 scale (deck, superstructure, substructure all good).

Washington - Poor-condition share 16.0%
National avg

Lower is better. Bar maxes at 30% (worst-state ceiling). National average sits at 7.0%.

Washington 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 Washington on the same metric.

CA

California

4.60% top marginal rate
Structure
Progressive
Burden @ $100K
$27,040

AR

Arkansas

4.71% top marginal rate
Structure
Progressive
Burden @ $100K
$5,544
Selected

WA

Washington

4.81% top marginal rate
Structure
Progressive
Burden @ $100K
$8,808

IN

Indiana

4.94% top marginal rate
Structure
Progressive
Burden @ $100K
$18,630

KS

Kansas

5.25% top marginal rate
Structure
Progressive
Burden @ $100K
$23,867

Bridges Needing Most Attention in Washington

Six lowest-condition bridges in Washington, ranked by the portal's composite display score. Inspection intervals are risk-based under current NBIS rules.

All Bridges in Washington

15 STREET NW

Fair

Over: MILL CREEK WETLAND

0.2 MI W OF SR 169, King, WA

Built 2014 Load: 46.3 t ADT: 20,648

CANNON RD.

Fair

Over: BUTTER CREEK

2.83 N JCT US 12, Lewis, WA

Built 1976 Load: 46.3 t ADT: 757

SR 167

Fair

Over: WEST VALLEY HWY

0.5 N JCT SR 410, Pierce, WA

Built 1972 Load: 46.3 t ADT: 45,555

FERRY LANDING

Fair

Over: CORMORANT PASSAGE

KETRON ISLAND, Pierce, WA

Built 1998 Load: 46.3 t ADT: 10

WHITTON AV.

Fair

Over: S.F.STILLAGUAMISH RIVER

21.6 E JCT SR 92, Snohomish, WA

Built 1989 Load: 46.3 t ADT: 18

183RD SW

Fair

Over: OVERFLOW CHANNEL

0.65 m E of Moon Rd, Thurston, WA

Built 1924 Load: 46.3 t ADT: 301

SARGENT ROAD

Fair

Over: SCATTER CREEK

.63 m N of 183rd, Thurston, WA

Built 1984 Load: 46.3 t ADT: 2,812

13TH AVE

Fair

Over: MILL CREEK

0.070 S CHERRY ST, Walla Walla, WA

Built 1980 Load: 46.3 t ADT: 2,690

I-5

Fair

Over: WHATCOM CREEK

2.9 N JCT SR 11, Whatcom, WA

Built 1957 Load: 46.3 t ADT: 30,905

ROAD

Fair

Over: BAGLEY CREEK

NO DATA ENTERED, Whatcom, WA

Built 2007 Load: 46.3 t ADT: 50

DUPONT,PROSPECT ST

Fair

Over: WHATCOM CREEK

AT POST OFFICE, Whatcom, WA

Built 1920 Load: 46.3 t ADT: 8,700

DIVISION STREET

Fair

Over: PAHA DRAINAGE DITCH

0.01 SE ELM AVE, Adams, WA

Built 1930 Load: 46.7 t ADT: 846

PINE BLUFF ROAD

Fair

Over: COULEE CREEK

0.2 N SEVEN MI RD, Spokane, WA

Built 1990 Load: 46.7 t ADT: 123

364th Ave SE

Fair

Over: RAGING RIVER

6.8 MI E OF ISSA-HO, King, WA

Built 1996 Load: 47.0 t ADT: 160

NO DATA ENTERED

Fair

Over: BOX CANYON CREEK #1

NO DATA ENTERED, Kittitas, WA

Built 1983 Load: 47.0 t ADT: 5

TINKHAM ROAD

Fair

Over: S.FK. SNOQUALMIE RIVER

I90 EAST EXIT 47, King, WA

Built 1972 Load: 47.1 t ADT: 120

QUINAULT S SHORE

Fair

Over: STORM BRANCH

7.7 NE JCT US 101, Grays Harbor, WA

Built 1982 Load: 47.2 t ADT: 199

DIABLO ST

Fair

Over: STETATTLE CREEK

Diable Bunkhouse Entrance, King, WA

Built 1941 Load: 47.2 t ADT: 300

DIABLO ACCESS RD

Fair

Over: DIABLO GORGE

Diablo Access Road, King, WA

Built 1962 Load: 47.2 t ADT: 220

TEANAWAY ROAD

Fair

Over: TEANAWAY RIVER

07.09 N US 970, Kittitas, WA

Built 1960 Load: 47.2 t ADT: 592

LEONARD ROAD

Fair

Over: S. FORK NEWAUKUM RIVER

0.3 S. ONALASKA, Lewis, WA

Built 1992 Load: 47.2 t ADT: 1,929

CLINE ROAD

Fair

Over: KILBORN CR

8.0 E RANDAL, Lewis, WA

Built 2000 Load: 47.2 t ADT: 45

SR 16

Fair

Over: UNION AVE

1.1 N JCT I-5, Pierce, WA

Built 1972 Load: 47.2 t ADT: 68,072

SR 290

Fair

Over: 2ND AVE

0.2 E JCT I-90, Spokane, WA

Built 1974 Load: 47.2 t ADT: 7,408

EVERGREEN PARKWAY

Fair

Over: MUD BAY ROAD

0.2 N JCT US 101, Thurston, WA

Built 1975 Load: 47.2 t ADT: 6,090

CORNELL CREEK RD

Fair

Over: HENDRICKS CREEK

00.7 SE MTBAKER HWY, Whatcom, WA

Built 1967 Load: 47.2 t ADT: 62

COTTAGE AVENUE

Fair

Over: WENATCHEE RIVER

0.14W JCT US2 & 97, Chelan, WA

Built 1983 Load: 48.0 t ADT: 8,366

I-82

Fair

Over: COFFIN ROAD

9.9 E JCT US 395, Benton, WA

Built 1983 Load: 48.1 t ADT: 10,827

ROAD

Fair

Over: DOCTOR CREEK

NO DATA ENTERED, Chelan, WA

Built 2006 Load: 48.1 t ADT: 5

HUNTINGTON AVE

Fair

Over: BNRR

0.13 W OF I-5 EXIT 48, Cowlitz, WA

Built 1994 Load: 48.1 t ADT: 3,650

NO DATA ENTERED

Fair

Over: SHERMAN CREEK

NO DATA ENTERED, Ferry, WA

Built 1954 Load: 48.1 t ADT: 10

US 12

Fair

Over: PATAHA CR

2.0 E COLUMBIA CO, Garfield, WA

Built 1920 Load: 48.1 t ADT: 1,846

I-5

Fair

Over: MILITARY RD

4.4 N JCT SR 18, King, WA

Built 1960 Load: 48.1 t ADT: 94,670

SR 522

Fair

Over: 195TH STREET

0.8 E JCT SR 202, King, WA

Built 1986 Load: 48.1 t ADT: 52,080

SB AIRPORT EXPY

Fair

Over: S 170TH ST

1 MI S OF SR 518, King, WA

Built 1972 Load: 48.1 t ADT: 45,000

I-90

Fair

Over: COAL CR

1.5 E KING CO, Kittitas, WA

Built 1972 Load: 48.1 t ADT: 34,909

10 AV S

Fair

Over: CLOVER CREEK

.61 W JCT SR7, Pierce, WA

Built 1967 Load: 48.1 t ADT: 2,370

I-5

Fair

Over: HILL DITCH

2.1 N SNOHOMISH CO, Skagit, WA

Built 1970 Load: 48.1 t ADT: 31,960

OLD SR9

Fair

Over: PILCHUCK CR

0.2 NE JCT SR9, Snohomish, WA

Built 1916 Load: 48.1 t ADT: 63

DRYDEN MAIN STREET

Fair

Over: WENATCHEE RIVER

00.0 DRYDEN MAIN ST, Chelan, WA

Built 1980 Load: 48.3 t ADT: 833

SR 261

Fair

Over: UP RR

12.5 N JCT US 12, Columbia, WA

Built 1967 Load: 48.3 t ADT: 474

WAHATIS PEAK ROAD

Fair

Over: WAHLUKE BRANCH CANAL

(White Bluffs Wasteway -, Grant, WA

Built 1967 Load: 48.3 t ADT: 1

PATIT ROAD

Fair

Over: PATIT CREEK

1.5 MILES WEST OF SR12, Columbia, WA

Built 2002 Load: 48.6 t ADT: 600

184TH AVE SE

Fair

Over: UNNAMED CREEK

1.1 MI W OF SR-18, King, WA

Built 2007 Load: 48.6 t ADT: 75

Marine Drive

Fair

Over: Log Channel

0.4 mi N of W Hill St., Clallam, WA

Built 1961 Load: 49.0 t ADT: 3,608

SR 262

Fair

Over: GENERATOR BYPASS CHUTE

17.5 N JCT SR 26, Grant, WA

Built 1989 Load: 49.0 t ADT: 1,559

I-5

Fair

Over: SBCD VIADUCT STA 2195

0.8 N JCT I-90, King, WA

Built 1964 Load: 49.0 t ADT: 49,417

DIABLO DAM ACCESS

Fair

Over: SKAGIT RIVER

Diablo Dam, King, WA

Built 1930 Load: 49.0 t ADT: 250

Shelton Matlock Rd

Fair

Over: NO. FORK GOLDSBOROUGH CK

0.23 E Dayton Airport rd, Mason, WA

Built 1988 Load: 49.0 t ADT: 1,777

I-5

Fair

Over: NISQUALLY OVERFLOW

0.6 N THURSTON CO, Pierce, WA

Built 1968 Load: 49.0 t ADT: 61,580

Showing 4,401-4,450 of 8,808 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.