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%.

Condition Distribution

Washington49.9%44.4%GoodFairPoor
Bridge inventory deck-condition mix - Washington (FHWA NBI)

Counties (39)

Adams 190 Asotin 29 Benton 173 Chelan 154 Clallam 152 Clark 228 Columbia 86 Cowlitz 167 Douglas 40 Ferry 54 Franklin 138 Garfield 54 Grant 314 Grays Harbor 365 Island 8 Jefferson 100 King 1364 Kitsap 119 Kittitas 311 Klickitat 91 Lewis 422 Lincoln 181 Mason 139 Okanogan 163 Pacific 120 Pend Oreille 72 Pierce 502 San Juan 13 Skagit 256 Skamania 120 Snohomish 516 Spokane 360 Stevens 81 Thurston 216 Wahkiakum 36 Walla Walla 200 Whatcom 358 Whitman 351 Yakima 565

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.

SILVER CK RD 00670

Poor

Over: NINE MILE CREEK

19.05 E SR 21, Ferry, WA

Built 1958 Load: 2.7 t ADT: 47

4TH ST

Poor

Over: MILL CREEK

4TH AND MILL CR, Walla Walla, WA

Built 1908 Load: 2.7 t ADT: 2,624

NO DATA ENTERED

Poor

Over: WEST BRANCH LECLERC CREE

NO DATA ENTERED, Pend Oreille, WA

Built 1954 Load: 3.5 t ADT: 5

STEVENS RD. -IRRIG

Poor

Over: DRAIN

00.26 NO CHAMBERS, Yakima, WA

Built 1965 Load: 3.6 t ADT: 68

PEARL HILL RD

Poor

Over: JORDAN CREEK

1.44 E JCT HILAND ORCH RD, Douglas, WA

Built 1953 Load: 4.2 t ADT: 72

FARM ACCESS

Poor

Over: ROZA ID WASTEWAY NO 3

NR PARKER HEIGHTS, WA, Yakima, WA

Built 1955 Load: 4.4 t ADT: 10

All Bridges in Washington

REGIONAL TRAIL

Unknown

Over: I-90 S-E RAMP

JCT SR 900, King, WA

Built 2011 ADT: 12,101

RAILROAD

Unknown

Over: SR 167

0.6 N JCT I-405, King, WA

Built 2007 ADT: 37,124

INTERURBAN TRAIL

Unknown

Over: SR 524 SPUR/I-5 ON-RAMP

0.4 E JCT SR 524, King, WA

Built 2011 ADT: 26,181

PEDESTRIANS

Unknown

Over: SR 513

0.4 N JCT SR 520, King, WA

Built 2013 ADT: 38,276

SOUND TRANSIT RAIL

Unknown

Over: I-405, RAMPS

2.6 N JCT I-90, King, WA

Built 2023 ADT: 144,832

SOUND TRANSIT RAIL

Unknown

Over: I-90 WB, RAMPS, STREET

6.4 E JCT I-5, King, WA

Built 2021 ADT: 68,450

PEDESTRIANS

Unknown

Over: SR 520, RAMPS, RAILROAD

2.5 E JCT I-405, King, WA

Built 2021 ADT: 86,292

PEDESTRIANS

Unknown

Over: SR 520, RAMPS

3.0 E JCT I-405, King, WA

Built 2021 ADT: 61,404

RAILROAD

Unknown

Over: SR 520 RAMPS

2.1 E JCT I-405, King, WA

Built 2023 ADT: 46,948

RAILROAD

Unknown

Over: W LK SAMMAMISH, RAMPS

4.7 E JCT I-405, King, WA

Built 2023 ADT: 36,948

PEDESTRIAN OX

Unknown

Over: 1ST AVE S

1ST AVE S & SW 126, King, WA

Built 1959 ADT: 16,500

PEDESTRIAN WALKWAY

Unknown

Over: 148TH AVENUE

148TH AV SE & SE 16TH ST, King, WA

Built 1975 ADT: 35,325

PEDESTRIAN

Unknown

Over: RAINIER AVE, MLK JR WAY

Rainier Ave & MLK JR Way, King, WA

Built 1976 ADT: 35,000

PEDESTRIAN

Unknown

Over: NE 45TH PL

NE 45th Pl & NE Blakeley, King, WA

Built 1900 ADT: 14,500

PEDESTRIAN

Unknown

Over: DELRIDGE WAY

4500 Delridge Way SW, King, WA

Built 1960 ADT: 21,000

PEDESTRIAN

Unknown

Over: FAUNTLEROY SW EXPRESSWAY

0.25 MI NORTH 35TH AVE SW, King, WA

Built 1961 ADT: 43,000

PEDESTRIAN

Unknown

Over: NE PACIFIC ST

Pacific St WO Pacific Pl, King, WA

Built 1970 ADT: 50,400

PEDESTRIAN

Unknown

Over: 15TH AVE NE

15th Ave NO Campus Pkwy, King, WA

Built 1971 ADT: 16,135

PEDESTRIAN

Unknown

Over: LAKE WASHINGTON BLVD E

Lake WA Blvd E & Lynn St, King, WA

Built 1910 ADT: 16,000

PEDESTRIAN

Unknown

Over: MERCER ST

Mercer St w/o 4th Ave N, King, WA

Built 1961 ADT: 10,000

PIKE PLACE MARKET

Unknown

Over: WESTERN AVE

Stewart St Ped /Western, King, WA

Built 1930 ADT: 10,500

PEDESTRIAN

Unknown

Over: VIRGINIA ST

Westin Hotel Skybridge, King, WA

Built 1982 ADT: 11,500

PEDESTRIAN

Unknown

Over: POST AVE, WESTERN AVE

Marion St Ped /Western, King, WA

Built 1976 ADT: 9,000

PEDESTRIAN

Unknown

Over: ALASKAN WAY

Marion St Ped /Alaskan, King, WA

Built 1908 ADT: 14,300

PEDESTRIAN

Unknown

Over: 4TH & 5TH AVES

Btwn Jail And Admin blg, King, WA

Built 1984 ADT: 10,760

PEDESTRIAN

Unknown

Over: HOLMAN ROAD NW

9200 Holman Rd NW, King, WA

Built 1964 ADT: 33,000

PEDESTRIAN

Unknown

Over: MONTLAKE BLVD (SR 513)

0.6 N JCT SR 520, King, WA

Built 1938 ADT: 41,913

PEDESTRIAN

Unknown

Over: WESTERN AVE

Pine St Ped /Western Ave, King, WA

Built 1989 ADT: 9,500

PEDESTRIAN

Unknown

Over: AURORA AVE N (SR 99)

11.8 N JCT SR 509, King, WA

Built 1961 ADT: 29,610

PEDESTRIAN

Unknown

Over: AURORA AVE N (SR 99)

13.2 N JCT SR 509, King, WA

Built 1966 ADT: 30,420

PEDESTRIAN

Unknown

Over: AURORA AVE N (SR 99)

8.6 N JCT SR 509, King, WA

Built 1935 ADT: 39,438

PEDESTRIAN

Unknown

Over: SAND POINT WAY NE

9400 Sand Point Way NE, King, WA

Built 1927 ADT: 12,600

PEDESTRIAN

Unknown

Over: WESTLAKE AVE N

1505 Westlake Ave N, King, WA

Built 1995 ADT: 4,151

TOLT PIPELINE TR

Unknown

Over: 155TH AVE NE

0.5 MI EAST OF SR-202, King, WA

Built 1999 ADT: 2,024

INTERURBAN TRAIL

Unknown

Over: S 180TH STREET

0.2 MI E. JCT SR 181, King, WA

Built 2001 ADT: 10,500

PEDESTRIAN

Unknown

Over: NE PACIFIC ST

Pacific St EO 15th Ave, King, WA

Built 1981 ADT: 28,000

PEDESTRIAN

Unknown

Over: 6TH AVE

Pacific Place Skybridge, King, WA

Built 1998 ADT: 15,500

PEDESTRIAN

Unknown

Over: ALASKAN WAY, RR

2209 Alaskan Way, King, WA

Built 1996 ADT: 15,300

PEDESTRIAN

Unknown

Over: 3RD AVE

Macy's Skybridge, King, WA

Built 1960 ADT: 85,000

Pedestrian

Unknown

Over: ELLIOTT AVE

Elliott Ave n/o Bay St, King, WA

Built 1996 ADT: 16,000

PEDESTRIAN

Unknown

Over: FLORIDA ST, 16TH AVE, RR

16th Ave SW & SW Florida, King, WA

Built 2000 ADT: 2,500

RR

Unknown

Over: SEAVIEW AVE NW

3500 Seaview Ave NW, King, WA

Built 1900 ADT: 4,971

RR TRACK

Unknown

Over: W COMMODORE WAY

3400 W COMMODORE WAY, King, WA

Built 1900 ADT: 15,000

PEDESTRIAN

Unknown

Over: SR 519/E MARTINEZ DR S

0.2 W JCT I-90, King, WA

Built 2006 ADT: 28,008

PEDESTRIAN

Unknown

Over: ELLIOTT AVE

Olympic Sculpture Park, King, WA

Built 2007 ADT: 14,600

PEDESTRIAN

Unknown

Over: PIKE ST

W/O 8th Ave & Pike St, King, WA

Built 2002 ADT: 13,000

PEDESTRIAN

Unknown

Over: PIKE ST

E/O 8th Ave & Pike St, King, WA

Built 2002 ADT: 10,000

PEDESTRIAN

Unknown

Over: 8TH AVE

N/O 8th Ave & Pike St, King, WA

Built 2008 ADT: 10,000

CENTRAL LINK

Unknown

Over: 6TH AVE SOUTH

NORTHBOUND MILE POST 0.02, King, WA

Built 2004 ADT: 4,250

CENTRAL LINK

Unknown

Over: AIRPORT WAY S

SOUTHBOUND MILE POST 0.02, King, WA

Built 2004 ADT: 6,800

Showing 601-650 of 8,808 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.