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

BNSFRR

Unknown

Over: STEVENS ST

00.05 NORTH 2ND AVE, Spokane, WA

Built 1916 ADT: 10,900

BNSFRR

Unknown

Over: MAPLE ST, 2ND AVE

AT 2ND AVENUE, Spokane, WA

Built 1916 ADT: 21,869

BNSFRR

Unknown

Over: MONROE ST

00.05 NORTH 2ND AVE, Spokane, WA

Built 1915 ADT: 14,200

BNSFRR

Unknown

Over: WALL ST

00.05 NORTH 2ND AVE, Spokane, WA

Built 1915 ADT: 1,700

BNSFRR

Unknown

Over: WASHINGTON ST

00.08 NORTH 2ND AVE, Spokane, WA

Built 1915 ADT: 12,500

UPRR

Unknown

Over: NAPA ST

00.01 SOUTH SR 290, Spokane, WA

Built 1916 ADT: 7,002

BNSFRR

Unknown

Over: 3RD AVE

00.17 NORTH I-90, Spokane, WA

Built 1916 ADT: 8,403

BNSFRR

Unknown

Over: GREENE ST

01.03 N SR 290, Spokane, WA

Built 1941 ADT: 42,014

GREENE STREET

Unknown

Over: SPOKANE RIV,UPRIVER DR

1.65 N OF I-90, Spokane, WA

Built 1955 ADT: 1,800

GARAGE ENTRANCE

Unknown

Over: WELLESLEY AVENUE

Wellesley and Addison, Spokane, WA

Built 1992 ADT: 11,200

BNSF RR TRACKS

Unknown

Over: ARGONNE RD.

0.05 MI S OF TRENT, Spokane, WA

Built 1996 ADT: 36,800

BNSF RR TRACKS

Unknown

Over: STARR ROAD

170 FT S OF SR 290, Spokane, WA

Built 1997 ADT: 1,742

BNSF RR

Unknown

Over: WOOLARD ROAD

0.8 MI W OF HIGHWAY 2, Spokane, WA

Built 2019 ADT: 1,099

RAILROAD

Unknown

Over: STATE ROUTE 25

57.5 N LINCOLN CO, Stevens, WA

Built 1940 ADT: 2,351

GN RY

Unknown

Over: STATE ROUTE 25

5.7 N JCT US 395, Stevens, WA

Built 1941 ADT: 655

GN RY

Unknown

Over: STATE ROUTE 231

0.7 N JCT SR 292, Stevens, WA

Built 1940 ADT: 2,072

GN RY

Unknown

Over: STATE ROUTE 395

3.7 N SPOKANE CO, Stevens, WA

Built 1938 ADT: 9,937

GN RY

Unknown

Over: US ROUTE 395

9.0 N JCT SR 20, Stevens, WA

Built 1941 ADT: 7,944

GN RY LOON LAK

Unknown

Over: STATE ROUTE 292

4.5 E JCT SR 231, Stevens, WA

Built 1951 ADT: 2,428

NP RY

Unknown

Over: STATE ROUTE 507

8.2 N LEWIS CO, Thurston, WA

Built 1935 ADT: 9,082

CMSTPP RR

Unknown

Over: STATE ROUTE 507

18.0 N LEWIS CO, Thurston, WA

Built 1936 ADT: 8,095

CUSTER WAY

Unknown

Over: I-5, DESCHUTES RIVER

4.7 N JCT SR 121, Thurston, WA

Built 1956 ADT: 99,802

I-5

Unknown

Over: DESCHUTES PARKWAY

5.0 N JCT SR 121, Thurston, WA

Built 1956 ADT: 16,138

CAPITOL BLVD

Unknown

Over: I-5, RAMP

0.7 N JCT US 101, Thurston, WA

Built 1956 ADT: 99,802

I-5 RAMPS

Unknown

Over: HENDERSON BLVD, UPRR

1.2 N JCT US 101, Thurston, WA

Built 1957 ADT: 16,866

I-5 S-W RAMP

Unknown

Over: HENDERSON BLVD, RR

1.2 N JCT US 101, Thurston, WA

Built 1957 ADT: 16,866

I-5

Unknown

Over: HENDERSON BLVD

1.2 N JCT US 101, Thurston, WA

Built 1957 ADT: 10,302

DELPHI RD

Unknown

Over: US 101

1.8 S JCT SR 8, Thurston, WA

Built 1958 ADT: 41,873

I-5

Unknown

Over: PACIFIC AVE

3.4 N JCT US 101, Thurston, WA

Built 1957 ADT: 20,913

SR 8

Unknown

Over: US 101

4.6 S MASON CO, Thurston, WA

Built 1958 ADT: 16,101

SR 8

Unknown

Over: US 101

4.6 S MASON CO, Thurston, WA

Built 1958 ADT: 16,101

I-5

Unknown

Over: MARTIN WAY

5.0 N JCT US 101, Thurston, WA

Built 1967 ADT: 48,714

I-5

Unknown

Over: MARTIN WAY

5.0 N JCT US 101, Thurston, WA

Built 1967 ADT: 48,714

CARPENTER RD

Unknown

Over: I-5

6.4 N JCT US 101, Thurston, WA

Built 1967 ADT: 113,497

MERIDIAN RD

Unknown

Over: I-5

1.2 N JCT SR 510, Thurston, WA

Built 1968 ADT: 99,770

I-5

Unknown

Over: MCALLISTER CR

2.2 N JCT SR 510, Thurston, WA

Built 1968 ADT: 1,912

I-5

Unknown

Over: MCALLISTER CREEK

2.2 N JCT SR 510, Thurston, WA

Built 1968 ADT: 1,912

I-5 S-E RAMP

Unknown

Over: I-5 MAINLINE

2.4 N JCT SR 510, Thurston, WA

Built 1968 ADT: 96,338

216TH AVE SW

Unknown

Over: I-5, RR

0.8 N LEWIS CO, Thurston, WA

Built 1968 ADT: 69,601

183RD AVE SW

Unknown

Over: I-5

1.5 N JCT US 12, Thurston, WA

Built 1968 ADT: 66,693

113TH AVE SW

Unknown

Over: I-5

2.0 N JCT SR 121, Thurston, WA

Built 1968 ADT: 68,115

SR 121 / 93RD AVE

Unknown

Over: I-5

JCT SR 121, Thurston, WA

Built 1968 ADT: 64,115

EVERGREEN PARKWAY

Unknown

Over: US 101

2.4 S JCT SR 8, Thurston, WA

Built 1975 ADT: 41,873

COOPER PT RD

Unknown

Over: US 101

5.0 S JCT SR 8, Thurston, WA

Built 1976 ADT: 71,170

2nd AVE SW

Unknown

Over: US 101

1.2 S JCT SR 8, Thurston, WA

Built 1976 ADT: 40,428

BOULEVARD RD

Unknown

Over: I-5

2.6 N JCT US 101, Thurston, WA

Built 1984 ADT: 136,911

14TH AVE

Unknown

Over: I-5

1.2 N JCT US 101, Thurston, WA

Built 1986 ADT: 137,442

I-5 ON RAMP

Unknown

Over: HENDERSON BLVD

1.2 N JCT US 101, Thurston, WA

Built 1986 ADT: 10,302

PLUM ST-N RAMP

Unknown

Over: I-5

1.2 N JCT US 101, Thurston, WA

Built 1986 ADT: 118,213

SLEATER-KINNEY RD

Unknown

Over: I-5

4.3 N JCT US 101, Thurston, WA

Built 1987 ADT: 128,811

Showing 1,151-1,200 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.