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

SR 99

Unknown

Over: DEXTER WAY N

7.4 N JCT SR 509, King, WA

Built 1930 ADT: 2,167

102ND AVE

Unknown

Over: STATE ROUTE 522

4.1 E KCT SR 104, King, WA

Built 1950 ADT: 26,944

I-90 E-S RAMP

Unknown

Over: I-5/AIRPORT WAY RAMP

JCT I-90, King, WA

Built 1965 ADT: 5,379

Central Conn Trail

Unknown

Over: Redmond Way

0.5 MI N OF SR-520, King, WA

Built 1972 ADT: 27,000

PEDESTRIANS

Unknown

Over: STATE ROUTE 202

3.9 E JCT SR 203, King, WA

Built 1987 ADT: 9,502

S 212TH ST

Unknown

Over: SR 167 & SPRINGBROOK CK

2.8 N JCT SR 516, King, WA

Built 1973 ADT: 109,316

PED WALKWAY UC

Unknown

Over: WEST LAKE SAMMAMISH PKWY

0.5 MI N OF JCT I-90, King, WA

Built 1950 ADT: 8,777

WOODLAND PARK PED

Unknown

Over: SR 99

9.3 N JCT SR 509, King, WA

Built 1933 ADT: 34,369

WOODLAND PARK PED

Unknown

Over: SR 99

9.4 N JCT SR 509, King, WA

Built 1933 ADT: 34,369

WOODLAND PARK PED

Unknown

Over: SR 99

9.5 N JCT SR 509, King, WA

Built 1933 ADT: 34,369

SR 99

Unknown

Over: DUWAMISH RIVER

0.1 N JCT SR 509, King, WA

Built 1956 ADT: 22,940

SR 18

Unknown

Over: NPRY & CITY STREETS

1.0 E JCT SR 167, King, WA

Built 1956 ADT: 17,392

SR 18

Unknown

Over: W VALLEY HWY(OLD SR 181)

2.3 E JCT I-5, King, WA

Built 1957 ADT: 19,821

MILITARY RD

Unknown

Over: SR 18

1.7 E JCT I-5, King, WA

Built 1958 ADT: 101,558

SR 99

Unknown

Over: SPOKANE ST

2.1 N JCT SR 509, King, WA

Built 1959 ADT: 14,020

DES MOINES MEM DR

Unknown

Over: SR 99

1.9 N JCT SR 599, King, WA

Built 1959 ADT: 24,828

SR 18

Unknown

Over: SR 164

JCT SR 18, King, WA

Built 1959 ADT: 26,034

SR 18

Unknown

Over: BNRR, AUBURN-BLK DIAMOND

2.3 E JCT SR 164, King, WA

Built 1959 ADT: 9,224

I-5

Unknown

Over: SR 18

0.3 E JCT SR 161, King, WA

Built 1959 ADT: 66,885

I-5

Unknown

Over: SR 18

0.3 E JCT SR 161, King, WA

Built 1959 ADT: 66,885

I-5

Unknown

Over: LAKE WASH SHIP CANAL

2.6 N JCT I-90, King, WA

Built 1962 ADT: 37,212

S 375TH ST

Unknown

Over: I-5

0.7 N PIERCE CO, King, WA

Built 1959 ADT: 189,657

SR 161

Unknown

Over: I-5

1.7 N PIERCE CO, King, WA

Built 1959 ADT: 189,657

NE 45TH ST

Unknown

Over: I-5

1.7 N JCT SR 520, King, WA

Built 1960 ADT: 162,385

NE 50TH ST

Unknown

Over: I-5

1.7 N JCT SR 520, King, WA

Built 1962 ADT: 162,385

S 320TH ST

Unknown

Over: I-5

1.8 N JCT SR 18, King, WA

Built 1960 ADT: 158,689

RAMP 45TH TO I-5 N

Unknown

Over: RAMP NB I-5 TO 50TH

1.7 N JCT SR 520, King, WA

Built 1961 ADT: 8,135

I-5 S RAMP TO 45TH

Unknown

Over: 50TH RAMP TO I-5 S

1.7 N JCT SR 520, King, WA

Built 1961 ADT: 6,953

I-5

Unknown

Over: S 272ND ST

4.8 N JCT SR 18, King, WA

Built 1961 ADT: 24,332

I-5

Unknown

Over: S 272ND ST

4.8 N JCT SR 18, King, WA

Built 1961 ADT: 24,332

ROANOKE ST

Unknown

Over: I-5

0.1 N JCT SR 520, King, WA

Built 1962 ADT: 147,676

SR 520 W-S RAMP

Unknown

Over: I-5

0.1 N JCT SR 520, King, WA

Built 1962 ADT: 73,838

SR 18

Unknown

Over: HOLDER CR HOBART RD

4.6 E JCT SR 169, King, WA

Built 1961 ADT: 8,691

OLIVE WAY

Unknown

Over: I-5

1.6 N JCT I-90, King, WA

Built 1962 ADT: 181,753

DENNY WAY

Unknown

Over: I-5

1.6 N JCT I-90, King, WA

Built 1962 ADT: 181,753

YALE ST RAMP

Unknown

Over: I-5 REV RAMP

1.8 N JCT I-90, King, WA

Built 1962 ADT: 2,424

UITILITY

Unknown

Over: REV LANES RAMP

1.8 N JCT I-90, King, WA

Built 1963 ADT: 2,424

I-5

Unknown

Over: DENNY WAY-LAKEVIEW V

1.8 N JCT I-90, King, WA

Built 1962 ADT: 29,296

LAKEVIEW BLVD

Unknown

Over: I-5

2.2 N JCT I-90, King, WA

Built 1963 ADT: 180,023

EASTLAKE AVE

Unknown

Over: I-5 RAMPS

2.4 N JCT I-90, King, WA

Built 1963 ADT: 17,125

I-5

Unknown

Over: SR 516

0.2 E JCT SR 99, King, WA

Built 1962 ADT: 35,066

I-5

Unknown

Over: SR 516

0.2 E JCT SR 99, King, WA

Built 1962 ADT: 35,066

DELMAR DRIVE

Unknown

Over: SR 520

0.1 E JCT I-5, King, WA

Built 1963 ADT: 35,304

10TH AVE

Unknown

Over: SR 520

0.1 E JCT I-5, King, WA

Built 1962 ADT: 35,304

PEDESTRIAN

Unknown

Over: SR 99

2.2 N JCT SR 599, King, WA

Built 1962 ADT: 24,828

NE 70TH-NE 71ST ST

Unknown

Over: I-5

2.2 N JCT SR 520, King, WA

Built 1962 ADT: 149,425

8TH AVE N TO I-5 N

Unknown

Over: I-5 N RAMP TO SR 522 E

JCT I-5, King, WA

Built 1963 ADT: 13,723

I-5 EXP RAMP

Unknown

Over: I-5 NB,I-5 EXPRESS,RAMP

2.2 N JCT SR 520, King, WA

Built 1962 ADT: 74,713

SR 522

Unknown

Over: W-S RAMP I-5

2.2 N JCT SR 520, King, WA

Built 1962 ADT: 149,425

I-405

Unknown

Over: SUNSET BLVD (OLD SR 900)

1.1 E JCT SR 515, King, WA

Built 1963 ADT: 15,456

Showing 251-300 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.