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

SR 502

Unknown

Over: I-5 & GEE CREEK

4.2 N JCT I-205, Clark, WA

Built 2008 ADT: 98,364

SR 501

Unknown

Over: I-5

4.7 N JCT SR 502, Clark, WA

Built 2010 ADT: 88,353

ST JOHNS BLVD

Unknown

Over: SR 500

1.1 E JCT I-5, Clark, WA

Built 2012 ADT: 43,050

SR 14

Unknown

Over: SR 500 / UNION ST

15.2 E JCT SR 503, Clark, WA

Built 2012 ADT: 2,763

SR 14

Unknown

Over: SECOND STREET

0.5 E JCT SR 14, Clark, WA

Built 2012 ADT: 3,083

NE 139TH ST

Unknown

Over: I-5 / I-205

5.8 N JCT SR 500, Clark, WA

Built 2014 ADT: 48,312

N-N RAMP

Unknown

Over: I-205 SB

6.2 N JCT SR 500, Clark, WA

Built 2014 ADT: 24,156

PED LAND BRIDGE

Unknown

Over: SR 14

0.3 E JCT I-5, Clark, WA

Built 2007 ADT: 15,180

NW LA CENTER RD

Unknown

Over: I-5

2.6 N JCT SR 501, Clark, WA

Built 2017 ADT: 75,277

NE 142ND AVE PED

Unknown

Over: SR 500/PADDEN PARKWAY

1.3 E JCT SR 503, Clark, WA

Built 2001 ADT: 19,320

BN/SF RAILROAD

Unknown

Over: WEST EIGHTH STREET

BNRR AT WEST 8TH ST, Clark, WA

Built 1908 ADT: 2,408

BN/SF RR

Unknown

Over: COLUMBIA SHORES BLVD

BNRR @ COLUMBIA SHO, Clark, WA

Built 1942 ADT: 1,650

NE 130TH AVENUE

Unknown

Over: SR 500/PADDEN PARKWAY

0.6 E JCT SR 503, Clark, WA

Built 2001 ADT: 19,859

WEYERHAEUSER RR

Unknown

Over: STATE ROUTE 411

3.4 N JCT SR 432, Cowlitz, WA

Built 1958 ADT: 13,790

SR 4

Unknown

Over: COWLITZ R / RR / SR 411

1.8 N JCT SR 432, Cowlitz, WA

Built 1951 ADT: 12,080

SR 432

Unknown

Over: I-5

15.9 N JCT SR 503, Cowlitz, WA

Built 1959 ADT: 46,604

I-5 N-W RAMP

Unknown

Over: SR 432 E-S RAMP

2.7 E JCT SR 411, Cowlitz, WA

Built 1959 ADT: 2,536

SR 432

Unknown

Over: 3RD AVE / SR 411

JCT SR 432, Cowlitz, WA

Built 1961 ADT: 17,087

I-5

Unknown

Over: SR 503

23.1 N JCT SR 503 SPUR, Cowlitz, WA

Built 1963 ADT: 18,958

I-5

Unknown

Over: SR 503

23.1 N JCT SR 503 SPUR, Cowlitz, WA

Built 1963 ADT: 18,958

OAK STREET

Unknown

Over: I-5

9.6 N JCT SR 503, Cowlitz, WA

Built 1968 ADT: 67,764

OLD PACIFIC HWY N

Unknown

Over: I-5

2.8 N JCT SR 504, Cowlitz, WA

Built 1968 ADT: 44,018

KALAMA R RD

Unknown

Over: I-5

11.1 N JCT SR 503, Cowlitz, WA

Built 1970 ADT: 70,091

BN RY (NP)

Unknown

Over: W-S RAMP TO I-5

1.6 N JCT SR 503, Cowlitz, WA

Built 1972 ADT: 3,563

BNRR

Unknown

Over: DIKE ACCESS ROAD

1.6 N JCT SR 503, Cowlitz, WA

Built 1972 ADT: 6,096

I-5

Unknown

Over: HUNTINGTON AVE

8.1 N JCT SR 4, Cowlitz, WA

Built 1975 ADT: 2,204

I-5

Unknown

Over: HUNTINGTON AVE

8.1 N JCT SR 4, Cowlitz, WA

Built 1975 ADT: 2,204

POWELL RD

Unknown

Over: I-5

9.3 N JCT SR 4, Cowlitz, WA

Built 1975 ADT: 51,651

SR 504

Unknown

Over: I-5

10.0 N JCT SR 4, Cowlitz, WA

Built 1975 ADT: 41,919

LEXINGTON BR DR

Unknown

Over: I-5

2.8 N JCT SR 4, Cowlitz, WA

Built 1975 ADT: 53,311

PLEASANT HILL RD

Unknown

Over: I-5

3.3 N JCT SR 4, Cowlitz, WA

Built 1975 ADT: 57,364

HEADQUARTERS RD

Unknown

Over: I-5

6.3 N JCT SR 4, Cowlitz, WA

Built 1975 ADT: 55,519

SR 432

Unknown

Over: SR 411/3RD AVE

JCT SR 432, Cowlitz, WA

Built 1975 ADT: 17,087

I-5

Unknown

Over: KELSO AVE (OLD SR 431)

0.9 N JCT SR 4, Cowlitz, WA

Built 1979 ADT: 4,172

I-5

Unknown

Over: KELSO AVE (OLD SR 431)

0.9 N JCT SR 4, Cowlitz, WA

Built 1980 ADT: 4,172

GRADE ST

Unknown

Over: I-5

2.2 N JCT SR 432, Cowlitz, WA

Built 1979 ADT: 57,306

I-5

Unknown

Over: ALLEN ST / SR 4

1.3 E JCT SR 411 SP, Cowlitz, WA

Built 1981 ADT: 16,067

I-5

Unknown

Over: ALLEN ST/SR 4

1.3 E JCT SR 411 SP, Cowlitz, WA

Built 1980 ADT: 16,067

BRYNION ST

Unknown

Over: I-5

0.6 N JCT SR 4, Cowlitz, WA

Built 1980 ADT: 55,996

SR 504

Unknown

Over: SR 504 TURNAROUND

22.2 E JCT SR 504 SP, Cowlitz, WA

Built 1992 ADT: 586

S-W RAMP

Unknown

Over: W-W RAMP

JCT I-5, Cowlitz, WA

Built 2011 ADT: 1,751

SR 432 E-S RAMP

Unknown

Over: SR 432 E-E RAMP

JCT I-5, Cowlitz, WA

Built 2011 ADT: 2,007

LOGTRUCK XING

Unknown

Over: SOUTH TOUTLE ROAD

2.71S SPIRIT LK HW, Cowlitz, WA

Built 1900 ADT: 800

RR GRADE CROSSING

Unknown

Over: SOUTH TOUTLE ROAD

2.74(S)SPIRIT LK H, Cowlitz, WA

Built 1900 ADT: 800

RR GRADE XING

Unknown

Over: ALPHA DRIVE

.02 W SR 411, Cowlitz, WA

Built 1900 ADT: 1,915

RR GRADE XING

Unknown

Over: NEVADA DRIVE

.01 W SR 411, Cowlitz, WA

Built 1900 ADT: 664

SR 285

Unknown

Over: COLUMBIA R GN RY

4.0 E JCT US 2, Douglas, WA

Built 1950 ADT: 5,882

SR 28

Unknown

Over: SR 285 S-W RAMP

4.0 E JCT US 2, Douglas, WA

Built 1950 ADT: 6,105

GN RY

Unknown

Over: US ROUTE 395

15.6 N JCT SR 20, Ferry, WA

Built 1932 ADT: 712

UP RR

Unknown

Over: STATE ROUTE 261

0.7 N COLUMBIA CO, Franklin, WA

Built 1915 ADT: 413

Showing 151-200 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.