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

NB SR 539

Fair

Over: NOOKSACK R OVERFLOW

2.6 N JCT SR 544, Whatcom, WA

Built 1950 Load: 12.3 t ADT: 8,300

THOMPSON ROAD

Fair

Over: COWICHE CREEK, N. FORK

00.36 E ELLIOT ROAD, Yakima, WA

Built 1951 Load: 12.3 t ADT: 991

Nuss Farm Road

Fair

Over: EAST LOW CANAL EL 20 LAT

NR MOSES LAKE, WA, Grant, WA

Built 1957 Load: 12.6 t ADT: 5

SR 520

Fair

Over: PORTAGE BAY

0.3 E JCT I-5, King, WA

Built 1963 Load: 12.6 t ADT: 35,304

I-90

Fair

Over: FRONT ST N

1.3 E JCT SR 900, King, WA

Built 1971 Load: 12.6 t ADT: 30,913

16TH AVE S

Fair

Over: MCSORLEY CREEK

0.1 MI S.OF S 250TH, King, WA

Built 1951 Load: 12.6 t ADT: 10,000

US 12

Fair

Over: SLIDE AREA

5.0 E JCT SR 123, Lewis, WA

Built 1968 Load: 12.6 t ADT: 1,729

SR509

Fair

Over: THEA FOSS WATRWAY & D ST

0.1 N JCT I-705, Pierce, WA

Built 1996 Load: 12.6 t ADT: 36,578

I-5 SB

Fair

Over: RAILROAD

3.8 N JCT SR 527, Snohomish, WA

Built 1967 Load: 12.6 t ADT: 88,747

ANDERSON ROAD

Fair

Over: UPRR TRACKS

1.0 E CHENEY-SPOK, Spokane, WA

Built 1971 Load: 12.6 t ADT: 221

TULE RD.

Fair

Over: IRRIGATION CANAL

00.48 W PLANK ROAD, Yakima, WA

Built 1957 Load: 12.6 t ADT: 36

BUMPING RIVER ROAD

Fair

Over: BUMPING RIVER

00.34 E OF MP 10, Yakima, WA

Built 1955 Load: 12.6 t ADT: 568

WAPATO ROAD,SOUTH

Fair

Over: MARION DRAIN

00.01 N MARIONDRAIN, Yakima, WA

Built 1974 Load: 12.6 t ADT: 69

ALLENDER RD

Fair

Over: STILLWATER CREEK

0.97 W SR 506 (MP 0.86), Cowlitz, WA

Built 1955 Load: 12.7 t ADT: 20

I RD SW

Fair

Over: WEST CANAL

I SW .7 North of 11, Grant, WA

Built 1956 Load: 12.7 t ADT: 71

SR 99

Fair

Over: LAKE UNION

7.7 N JCT SR 509, King, WA

Built 1931 Load: 12.7 t ADT: 53,501

E BOSTON TERRACE

Fair

Over: RAVINE

1660 E BOSTON TERRACE, King, WA

Built 1948 Load: 12.7 t ADT: 160

JAY AVENUE

Fair

Over: DRAINAGE

COUNTRY HOMES, Spokane, WA

Built 1963 Load: 12.7 t ADT: 159

MACK RD

Fair

Over: SUMAS RIVER

00.2 W OAT COLES RD, Whatcom, WA

Built 1932 Load: 12.7 t ADT: 106

NE 182ND AVE

Fair

Over: MORGAN CREEK

0.2 S JCT NE174 ST, Clark, WA

Built 1956 Load: 13.0 t ADT: 9,692

FRANKLIN ROAD

Fair

Over: GREEN RIVER

4.0 MI E OF SR-169, King, WA

Built 1914 Load: 13.0 t ADT: 350

WATER STREET

Fair

Over: TOWN DITCH

00.24 SOUTH HELENA STREET, Kittitas, WA

Built 2003 Load: 13.0 t ADT: 6,556

UNION VALLEY ROAD

Fair

Over: WILSON CREEK

5.93 SW SR 21, Lincoln, WA

Built 1900 Load: 13.0 t ADT: 14

I-5

Fair

Over: 52ND AVE W

2.3 N JCT SR 104, Snohomish, WA

Built 1963 Load: 13.0 t ADT: 96,309

SR 169

Fair

Over: NP RY

10.4 N JCT SR 164, King, WA

Built 1939 Load: 13.3 t ADT: 15,203

NE 159TH ST

Fair

Over: COTTAGE LAKE CREEK

0.1 MI W OF AVONDALE RD, King, WA

Built 1987 Load: 13.3 t ADT: 1,097

WESTSIDE RD

Fair

Over: HILINE CANAL

00.03 S GOLF COURSE, Kittitas, WA

Built 1930 Load: 13.3 t ADT: 1,028

WASHINGTON ST

Fair

Over: ROCK CREEK

0.04 W SR 231, Lincoln, WA

Built 1972 Load: 13.3 t ADT: 43

MOORE ROAD

Fair

Over: TAMARACK CREEK

1.80 SW SR 231, Lincoln, WA

Built 1936 Load: 13.3 t ADT: 20

SR 153

Fair

Over: METHOW RIVER

18.9 N JCT US 97, Okanogan, WA

Built 1939 Load: 13.3 t ADT: 1,363

FAS ROUTE U243

Fair

Over: SIMILKAMEEN RIVER

.NESWS28T40NR27E, Okanogan, WA

Built 1950 Load: 13.3 t ADT: 985

CHAMBERS CK RD W

Fair

Over: CHAMBERS CREEK

1.0 SO JCT 64 ST W, Pierce, WA

Built 1946 Load: 13.3 t ADT: 7,275

ELOIKA ROAD

Fair

Over: LITTLE SPOKANE RIVER

1.1 MI E OF US 2, Spokane, WA

Built 1989 Load: 13.3 t ADT: 271

15TH ST.,N.

Fair

Over: CREEK

00.09 N HARTFORD RD, Yakima, WA

Built 1959 Load: 13.3 t ADT: 177

MAINTENANCE ROAD

Fair

Over: WEST CANAL

West Canal Lateral 35.9D,, Grant, WA

Built 1968 Load: 13.5 t ADT: 30

DEWALD RD

Fair

Over: INTERMITTENT STREAM

2.11 MI N of Hiller Rd., Adams, WA

Built 1957 Load: 13.6 t ADT: 23

BAUMAN RD.

Fair

Over: INTERMITTENT STREAM

00.24 MI N DANEKAS RD, Adams, WA

Built 1900 Load: 13.6 t ADT: 80

BOOTH AVE.

Fair

Over: SAND DITCH

00.05 EAST OF SR260, Adams, WA

Built 1910 Load: 13.6 t ADT: 355

SECOND ST.

Fair

Over: ASOTIN CREEK

0.0 E FAS RT F021, Asotin, WA

Built 1920 Load: 13.6 t ADT: 500

US 2

Fair

Over: ICICLE DITCH SPILLWAY

16.3 E JCT SR 207, Chelan, WA

Built 1940 Load: 13.6 t ADT: 12,506

NE 67TH AVE

Fair

Over: MILL CREEK

0.2S NE219ST(SR502, Clark, WA

Built 1957 Load: 13.6 t ADT: 141

WREN LOOP RD

Fair

Over: ARKANSAS CREEK

0.02 S DELAMETER RD (0.17, Cowlitz, WA

Built 1960 Load: 13.6 t ADT: 195

US 395

Fair

Over: EAST DEER CR

17.1 N JCT SR 20, Ferry, WA

Built 1900 Load: 13.6 t ADT: 712

US 395

Fair

Over: LITTLE BOULDER CR

21.8 N JCT SR 20, Ferry, WA

Built 1900 Load: 13.6 t ADT: 321

6 RD NE

Fair

Over: ROCKY COULEE

6 NE 0.1 W of W NE, Grant, WA

Built 1914 Load: 13.6 t ADT: 71

MARLIN NORTH ROAD

Fair

Over: CON-NA-WAI CREEK

X NE 0.04 N of 26 NE, Grant, WA

Built 1916 Load: 13.6 t ADT: 23

ELMA MCCLEARY ROAD

Fair

Over: WEST FORK WILDCAT CREEK

4.1 NE JCT SR 8, Grays Harbor, WA

Built 1921 Load: 13.6 t ADT: 2,267

I-90 WB ON RAMP

Fair

Over: 224TH AVE NW & TRAIL

1.0 E JCT SR 900, King, WA

Built 1971 Load: 13.6 t ADT: 13,808

SOUTH THORP HWY

Fair

Over: WESTSIDE DITCH

00.10 N THORP CEM R, Kittitas, WA

Built 1926 Load: 13.6 t ADT: 853

SOUTH THORP HWY

Fair

Over: YAKIMA RIVER

00.30 SW I-90, Kittitas, WA

Built 1967 Load: 13.6 t ADT: 4,937

Showing 1,451-1,500 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.