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

I-182

Fair

Over: ARGENT ROAD

4.8 E BENTON CO, Franklin, WA

Built 1984 Load: 39.9 t ADT: 29,238

O'NEILL ROAD

Fair

Over: NEWMAN CREEK

0.7 N JCT CR 9710, Grays Harbor, WA

Built 1972 Load: 39.9 t ADT: 126

NORTH SHORE ROAD

Fair

Over: QUINAULT RIVER

12.7 MI. NE OF JCT. HWY., Jefferson, WA

Built 1974 Load: 39.9 t ADT: 200

MARINE VIEW DR

Fair

Over: SALTWATER STATE PARK

2.6 MI NW OF JCT SR99, King, WA

Built 1934 Load: 39.9 t ADT: 3,507

I-5

Fair

Over: DUWAMISH R RR CITY ST

0.4 N JCT SR 599, King, WA

Built 1964 Load: 39.9 t ADT: 94,284

I-5

Fair

Over: DUWAMISH R RR CITY ST

0.4 N JCT SR 599, King, WA

Built 1964 Load: 39.9 t ADT: 94,284

I-405

Fair

Over: GREEN RIVER

0.9 N JCT I-5, King, WA

Built 1964 Load: 39.9 t ADT: 153,756

I-5

Fair

Over: TERRAIN

5.6 N JCT SR 900, King, WA

Built 1967 Load: 39.9 t ADT: 22,370

I-90

Fair

Over: CLE ELUM RIVER

26.0 E JCT SR 906, Kittitas, WA

Built 1949 Load: 39.9 t ADT: 16,386

I-90

Fair

Over: CASCADE CANAL OVERFLOW

17.3 E JCT SR 970, Kittitas, WA

Built 1967 Load: 39.9 t ADT: 15,317

I-90

Fair

Over: CASCADE CANAL OVERFLOW

17.3 E JCT SR 970, Kittitas, WA

Built 1967 Load: 39.9 t ADT: 15,317

I-90

Fair

Over: DRY RELIEF

10.1 E JCT I-82, Kittitas, WA

Built 1968 Load: 39.9 t ADT: 8,460

I-90

Fair

Over: STEVENS RD

10.3 E JCT I-82, Kittitas, WA

Built 1968 Load: 39.9 t ADT: 8,460

I-90

Fair

Over: STEVENS RD

10.3 E JCT I-82, Kittitas, WA

Built 1968 Load: 39.9 t ADT: 8,460

AIRPORT ROAD

Fair

Over: CASCADE CANAL

0.20 NORTH BENDER ROAD, Kittitas, WA

Built 2006 Load: 39.9 t ADT: 4,772

UNIVERSITY WAY

Fair

Over: WHISKEY CREEK

0.0N EW CENS341818, Kittitas, WA

Built 2006 Load: 39.9 t ADT: 11,706

HARMS ROAD

Fair

Over: SWALE CREEK

0.5 MI NORTH OF CR 22000, Klickitat, WA

Built 2009 Load: 39.9 t ADT: 76

ELK CREEK RD.

Fair

Over: ELK CREEK

0.02 W JCT 26890, Lewis, WA

Built 1952 Load: 39.9 t ADT: 95

JACKSON HWY

Fair

Over: NEWAUKUM OVERFLOW

2.56 N JCT SR 508, Lewis, WA

Built 1926 Load: 39.9 t ADT: 3,427

JACKSON HWY.

Fair

Over: NEWAUKUM OVERFLOW

2.49 N JCT SR 508, Lewis, WA

Built 1926 Load: 39.9 t ADT: 3,427

JACKSON HWY.

Fair

Over: NEWAUKUM OVERFLOW

2.45 N JCT SR 508, Lewis, WA

Built 1926 Load: 39.9 t ADT: 3,427

US 101

Fair

Over: JORSTED CREEK

6.8 S JEFFERSON CO, Mason, WA

Built 1985 Load: 39.9 t ADT: 2,489

SR 20

Fair

Over: S FK LOST CREEK

5.4 E JCT SR 31, Pend Oreille, WA

Built 1986 Load: 39.9 t ADT: 1,052

WASHINGTON ROUTE 4

Fair

Over: DEADWOOD CREEK

2.8 MILES NORTH OF JCT. W, Pierce, WA

Built 1994 Load: 39.9 t ADT: 2,564

SR 11

Fair

Over: OYSTER CREEK

10.8 N JCT I-5, Skagit, WA

Built 1924 Load: 39.9 t ADT: 2,412

PRAIRIE ROAD

Fair

Over: FRIDAY CREEK

0.17 Mi E of OLD HWY 99, Skagit, WA

Built 1975 Load: 39.9 t ADT: 2,757

PRAIRIE ROAD

Fair

Over: SAMISH RIVER

3.8 E JCT OLD HWY 99, Skagit, WA

Built 1975 Load: 39.9 t ADT: 1,539

CASCADE RIVER ROAD

Fair

Over: LOWER NORTH FORK CASCADE

20.5 Miles East of Marble, Skagit, WA

Built 2008 Load: 39.9 t ADT: 50

SR 530

Fair

Over: N FK STILLAGUAMISH R

7.6 E JCT SR 9, Snohomish, WA

Built 1966 Load: 39.9 t ADT: 5,322

I-405

Fair

Over: DAMSON RD

2.2 N JCT SR 527, Snohomish, WA

Built 1968 Load: 39.9 t ADT: 60,143

228TH ST SE

Fair

Over: BEAR CREEK

0.1 W JCT SR 9, Snohomish, WA

Built 1989 Load: 39.9 t ADT: 7,573

US 395

Fair

Over: WHITWORTH DRIVE

1.3 N JCT US 2, Spokane, WA

Built 1985 Load: 39.9 t ADT: 27,644

BOSTON STREET

Fair

Over: DESCHUTES RIVER

00.10 S. CUSTER WAY, Thurston, WA

Built 1915 Load: 39.9 t ADT: 7,400

NORTHWEST AVENUE

Fair

Over: SQUALLICUM WY,CRK,CMSTP&

1.5 NW. CITY HALL, Whatcom, WA

Built 1971 Load: 39.9 t ADT: 10,700

I-82

Fair

Over: SUNNYSIDE CANAL

5.5 E JCT SR 241, Yakima, WA

Built 1979 Load: 39.9 t ADT: 12,175

I-82

Fair

Over: MIDVALE ROAD

8.6 E JCT SR 223, Yakima, WA

Built 1982 Load: 39.9 t ADT: 9,325

NO DATA ENTERED

Fair

Over: MATHENY CREEK

NO DATA ENTERED, Jefferson, WA

Built 1966 Load: 40.0 t ADT: 50

NO DATA ENTERED

Fair

Over: LITTLE NISQUALLY RIVER

12.9 MILES WEST OF HWY 7, Lewis, WA

Built 1974 Load: 40.0 t ADT: 30

NO DATA ENTERED

Fair

Over: QUARTZ CREEK

16.9 MILES EAST OF JCT. R, Skamania, WA

Built 1969 Load: 40.0 t ADT: 99

NO DATA ENTERED

Fair

Over: TWIN FALLS CREEK

1.4 MILE NORTH OF TROUT L, Skamania, WA

Built 1964 Load: 40.0 t ADT: 179

NO DATA ENTERED

Fair

Over: GREEN RIVER

1 MILE SOUTH OF HWY 112 J, Skamania, WA

Built 1971 Load: 40.0 t ADT: 20

NO DATA ENTERED

Fair

Over: SOUTH FORK DEADMAN CREEK

NO DATA ENTERED, Ferry, WA

Built 1975 Load: 40.2 t ADT: 1

FERRY TRAFFIC

Fair

Over: PUGET SOUND @ SEATTLE

W END YESLER WAY, King, WA

Built 2019 Load: 40.2 t ADT: 10,212

NO DATA ENTERED

Fair

Over: COMPASS CREEK

TAKE HWY. 30 OFF HWY 14;, Skamania, WA

Built 2010 Load: 40.2 t ADT: 50

NE MONEY CREEK RD

Fair

Over: MONEY CREEK

2.0 MI SOUTH OF SR 2, King, WA

Built 1958 Load: 40.5 t ADT: 30

ILLAHEE ROAD

Fair

Over: STEELE CREEK

0.05 S JCT BROWNSVILLE HW, Kitsap, WA

Built 1986 Load: 40.5 t ADT: 4,305

FRANK ALBERT RD E

Fair

Over: UNION PACIFIC RAILROAD

0.3 S JCT 20 ST E, Pierce, WA

Built 1993 Load: 40.5 t ADT: 5,500

VIETNAM VILLAGE RD

Fair

Over: MUCK CREEK

GRID COORD ET395088, Pierce, WA

Built 1966 Load: 40.5 t ADT: 200

S LAVENTURE RD

Fair

Over: MADDOX CR

0.5 E JCT I-5, Skagit, WA

Built 2013 Load: 40.5 t ADT: 8,284

VALLEY CHAPEL RD

Fair

Over: LATAH CREEK

1.5 S ELDER RD., Spokane, WA

Built 1996 Load: 40.5 t ADT: 192

Showing 4,151-4,200 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.