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-90

Fair

Over: E FK ISSAQUAH CREEK

2.9 E JCT SR 900, King, WA

Built 1976 Load: 35.4 t ADT: 33,574

I-405

Fair

Over: CEDAR RIVER

0.9 N JCT SR 515, King, WA

Built 1993 Load: 35.4 t ADT: 84,707

SW GRADY WAY

Fair

Over: SPRINGBROOK CREEK

0.7 MI E OF SR-181, King, WA

Built 1987 Load: 35.4 t ADT: 28,000

SW 27TH STREET

Fair

Over: SPRINGBROOK CREEK

0.2 MI WEST LIND AVE SW, King, WA

Built 2000 Load: 35.4 t ADT: 1,300

OAKESDALE AVE SW

Fair

Over: BLACK RIVER DRAIN

1.1 MI N OF I-405, King, WA

Built 1987 Load: 35.4 t ADT: 9,500

S JACKSON ST

Fair

Over: ST TUNNEL

S Jackson St WO 5th Ave S, King, WA

Built 1987 Load: 35.4 t ADT: 26,700

I-90

Fair

Over: CLE ELUM RIVER

26.0 E JCT SR 906, Kittitas, WA

Built 1962 Load: 35.4 t ADT: 16,386

I-90

Fair

Over: DRY RELIEF

10.1 E JCT I-82, Kittitas, WA

Built 1968 Load: 35.4 t ADT: 8,460

SR 14

Fair

Over: WOOD GULCH CR

32.8 E JCT US 97, Klickitat, WA

Built 1958 Load: 35.4 t ADT: 1,204

US 97

Fair

Over: COLUMBIA RIVER

OREGON LINE, Klickitat, WA

Built 1962 Load: 35.4 t ADT: 6,042

NO DATA ENTERED

Fair

Over: PINTO CREEK

ABOUT 10 MILES SOUTH OF H, Lewis, WA

Built 1954 Load: 35.4 t ADT: 59

BLANCHARD ROAD

Fair

Over: SCAMMON CREEK

1.0 SW CENTRALIA, Lewis, WA

Built 1955 Load: 35.4 t ADT: 173

SKATE CREEK ROAD

Fair

Over: COWLITZ OVERFLOW

0.5 NW PACKWOOD, Lewis, WA

Built 1955 Load: 35.4 t ADT: 1,359

MAGNUS RD

Fair

Over: KEARNEY CR

9.0 E ONALASKA, Lewis, WA

Built 1985 Load: 35.4 t ADT: 36

HOWE ROAD

Fair

Over: SKOOK CREEK

4.9 NW TOLEDO, Lewis, WA

Built 2003 Load: 35.4 t ADT: 40

SR 23

Fair

Over: NP RY

3.8 N WHITMAN CO, Lincoln, WA

Built 1967 Load: 35.4 t ADT: 1,334

I-90

Fair

Over: DOERSCHLAG RD

3.6 E ADAMS CO, Lincoln, WA

Built 1968 Load: 35.4 t ADT: 10,407

SR 23

Fair

Over: LORD'S VALLEY CREEK

13.4 N JCT SR 231, Lincoln, WA

Built 1968 Load: 35.4 t ADT: 367

US 101

Fair

Over: SKOOKUM CR NP RY

0.3 S JCT SR 108, Mason, WA

Built 1962 Load: 35.4 t ADT: 12,553

US 101

Fair

Over: SKOOKUM CR NP RY

0.3 S JCT SR 108, Mason, WA

Built 1962 Load: 35.4 t ADT: 12,553

COUNTY ROAD 9455

Fair

Over: LOST CREEK

17.4 MI.SE JCT.SH30, Okanogan, WA

Built 1958 Load: 35.4 t ADT: 52

SUMNER TAPPS HWY E

Fair

Over: LAKE TAPPS OUTFALL PSE

.117F N TAPPS HWY, Pierce, WA

Built 1977 Load: 35.4 t ADT: 7,675

NO DATA ENTERED

Fair

Over: RUSH CREEK

6 1/2 MILES SE OF JCT. FS, Skamania, WA

Built 1966 Load: 35.4 t ADT: 99

I-5

Fair

Over: STILLAGUAMISH R

0.7 N JCT SR 530, Snohomish, WA

Built 1971 Load: 35.4 t ADT: 43,620

LOCUST WAY

Fair

Over: SWAMP CREEK

1.9 N KING CO LINE, Snohomish, WA

Built 1993 Load: 35.4 t ADT: 3,514

I-90 S-W RAMP

Fair

Over: MCCLELLAN ST, BERNARD ST

1.7 E JCT US 195, Spokane, WA

Built 1967 Load: 35.4 t ADT: 9,130

I-82

Fair

Over: E POMONA RD

5.3 E KITTITAS CO, Yakima, WA

Built 1969 Load: 35.4 t ADT: 9,724

I-82

Fair

Over: COUNTY ROAD AND CANAL

3.7 E JCT US 97, Yakima, WA

Built 1979 Load: 35.4 t ADT: 14,023

I-82

Fair

Over: BN RR & DRAIN CANAL

0.5 E JCT SR 223, Yakima, WA

Built 1981 Load: 35.4 t ADT: 10,295

J A MOORE RD

Fair

Over: MASON CREEK

0.3S NE 299TH ST, Clark, WA

Built 1930 Load: 35.6 t ADT: 1,151

WOODINVILLE DUVALL

Fair

Over: DUVALL SLOUGH

0.8 MI W OF SR-203, King, WA

Built 1948 Load: 35.6 t ADT: 10,564

OAK FLAT ROAD

Fair

Over: LUNA CREEK

2.8 S JCT CR 34000, Klickitat, WA

Built 1981 Load: 35.6 t ADT: 32

SR 155

Fair

Over: OMAK CR

50.5 N DOUGLAS CO, Okanogan, WA

Built 1967 Load: 35.6 t ADT: 2,325

GRIPP ROAD

Fair

Over: SAMISH RIVER

0.1 E JCT PRAIRIE ROAD, Skagit, WA

Built 1976 Load: 35.6 t ADT: 679

NO DATA ENTERED

Fair

Over: NORTH FORK CISPUS RIVER

11 1/2 MILES SOUTH OF RAN, Lewis, WA

Built 1956 Load: 35.8 t ADT: 96

CAMAS MEADOWS DRV.

Fair

Over: DWYER CREEK

0.1 M E NE OF GOODWIN RD, Clark, WA

Built 2000 Load: 36.0 t ADT: 350

FERRY TRAFIC

Fair

Over: PUGET SOUND @ SEATTLE

W END MARION STREET, King, WA

Built 2019 Load: 36.0 t ADT: 12,000

N 27TH PLACE

Fair

Over: KENNYDALE CREEK

0.2 MI W OF I-405, King, WA

Built 2000 Load: 36.0 t ADT: 292

SR 119

Fair

Over: BIG CREEK

9.4 N JCT SR 101, Mason, WA

Built 1960 Load: 36.0 t ADT: 513

FAS ROUTE P240

Fair

Over: OKANOGAN RIVER

SENWS16T37NR27E, Okanogan, WA

Built 1999 Load: 36.0 t ADT: 2,816

US 101

Fair

Over: COLUMBIA R

3.37 S OREGON LINE, Pacific, WA

Built 1966 Load: 36.0 t ADT: 23,300

SR 11

Fair

Over: SAMISH RIVER

2.9 N JCT I-5, Skagit, WA

Built 1920 Load: 36.0 t ADT: 4,012

CUNNINGHAM RD

Fair

Over: DRY WASH

01.60 E CUNNINGHAM, Adams, WA

Built 1914 Load: 36.3 t ADT: 46

SR 260

Fair

Over: ESQUATZEL COULEE

6.3 E JCT SR 17, Franklin, WA

Built 1971 Load: 36.3 t ADT: 1,957

20 TH STREET

Fair

Over: PATAHA CREEK

0.2 S US 12 ON 20TH, Garfield, WA

Built 1965 Load: 36.3 t ADT: 75

SR 167

Fair

Over: 84TH AVE SOUTH

1.7 N JCT SR 516, King, WA

Built 1967 Load: 36.3 t ADT: 52,291

SR 509

Fair

Over: S 128TH ST

1.3 N JCT SR 518, King, WA

Built 1968 Load: 36.3 t ADT: 40,368

I-90

Fair

Over: RAGING RIVER

7.5 E JCT SR 900, King, WA

Built 1975 Load: 36.3 t ADT: 29,903

SR 169

Fair

Over: CEDAR RIVER

7.9 N JCT SR 18, King, WA

Built 1994 Load: 36.3 t ADT: 38,535

CUMBERLAND-KANASKE

Fair

Over: GREEN RIVER

4.25 MI E OF SR-169, King, WA

Built 1918 Load: 36.3 t ADT: 2,061

Showing 3,901-3,950 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.