State profile · Below national median SD

Washington bridge safety

Condition ratings, load ratings, and structural-deficiency data for every public highway bridge in Washington — drawn straight from the FHWA National Bridge Inventory.

8,808
Public bridges
42.4%
Good condition
4.8%
Poor condition
4.8%
Structurally deficient

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 rated 0-4

Structurally Deficient

4.8%

424 bridges flagged for repair priority

-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 — Structurally deficient share 16.0%
National avg

Lower is better. Bar maxes at 30% (worst-state ceiling). National average sits at 7.0%.

Condition Distribution

Bridge inventory deck-condition mix — Washington (FHWA NBI)

Washington42.39327883742053%37.76112624886467%GoodFairPoorStructurally Deficient
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 on the structurally deficient leaderboard (lower share = better)

States are ranked by share of bridges flagged structurally deficient — the FHWA classification for any span where deck, superstructure, or substructure carries a condition rating of 4 or below. Lower percentages indicate stronger maintenance funding and inspection follow-through. States here sit immediately above and below Washington on the same metric.

06

California

4.60% top marginal rate
Structure
Progressive
Burden @ $100K
$27,040

05

Arkansas

4.71% top marginal rate
Structure
Progressive
Burden @ $100K
$5,544
Selected

53

Washington

4.81% top marginal rate
Structure
Progressive
Burden @ $100K
$8,808

18

Indiana

4.94% top marginal rate
Structure
Progressive
Burden @ $100K
$18,630

20

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 composite NBI rating. Each is inspected at least every 24 months.

SILVER CK RD 00670

Structurally Deficient

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

Structurally Deficient

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

NW DAVID ROAD

Good

Over: DICKERSON CREEK

0.1 W NORTHLAKE WAY, Kitsap, WA

Built 2015 Load: 47.0 t ADT: 257

NO DATA ENTERED

Good

Over: NO DATA ENTERED

NO DATA ENTERED, Lewis, WA

Built 1999 Load: 47.0 t ADT: 20

BELFAIR TAHUYA RD

Good

Over: TAHUYA RIVER

3.73 NW N. SHORE RD, Mason, WA

Built 2009 Load: 47.0 t ADT: 2,558

Old Highway-Arden

Good

Over: Little Pend Oreille Riv

00.05 N. Jct 3618 Hall Rd, Stevens, WA

Built 2013 Load: 47.0 t ADT: 401

FOSTER RD

Good

Over: RUSSELL CREEK

0.15S RUSSELL CR RD, Walla Walla, WA

Built 1998 Load: 47.0 t ADT: 270

US 12

Good

Over: SLOUGH

17.4 E JCT SR 8, Grays Harbor, WA

Built 1986 Load: 47.2 t ADT: 7,443

US 101

Good

Over: WEST FORK HOQUIAM RIVER

12.0 N JCT SR 109, Grays Harbor, WA

Built 2008 Load: 47.2 t ADT: 2,126

I-405 S-W RAMP

Good

Over: NORTHUP WAY

0.1 N JCT SR 520, King, WA

Built 1966 Load: 47.2 t ADT: 9,741

SR 522

Good

Over: NORTH CR & GILLMAN TRAIL

5.9 E JCT SR 104, King, WA

Built 1967 Load: 47.2 t ADT: 12,224

SE 248TH ST

Good

Over: ROCK CREEK

1 MI E SR-169 ON SE 248TH, King, WA

Built 2003 Load: 47.2 t ADT: 465

73RD AVE NE

Good

Over: SWAMP CREEK

INTERS. NE 192ND ST, King, WA

Built 2005 Load: 47.2 t ADT: 6,800

SR 508

Good

Over: TILTON RIVER

28.5 E JCT I-5, Lewis, WA

Built 1994 Load: 47.2 t ADT: 1,171

BIG HANAFORD RD.

Good

Over: HANAFORD CREEK

7.5 E. CENTRALIA, Lewis, WA

Built 2003 Load: 47.2 t ADT: 36

US 101

Good

Over: SLOUGH

1.6 S JCT SR 106, Mason, WA

Built 1985 Load: 47.2 t ADT: 7,382

SR 20

Good

Over: BEAVER CREEK

1.8 E JCT SR 153, Okanogan, WA

Built 2006 Load: 47.2 t ADT: 1,342

SR 167

Good

Over: PUYALLUP RIVER

6.4 N JCT I-5, Pierce, WA

Built 1971 Load: 47.2 t ADT: 17,755

SR 167

Good

Over: MILWAUKEE AVE

0.5 N JCT SR 161, Pierce, WA

Built 1993 Load: 47.2 t ADT: 21,895

SR 167 ON RAMP SB

Good

Over: SOATON CREEK

2.1 N JCT SR 410, Pierce, WA

Built 2004 Load: 47.2 t ADT: 4,769

SULTAN BASIN RD

Good

Over: BRANCH OLNEY CREEK

11.8 NE JCT SR 2, Snohomish, WA

Built 1991 Load: 47.2 t ADT: 100

SR 510

Good

Over: BNSF RAILROAD

4.1 E JCT I-5, Thurston, WA

Built 1970 Load: 47.2 t ADT: 12,915

SOHM ROAD

Good

Over: EAST LATERAL 85

0.02 EAST OF WAREHOUSE, Franklin, WA

Built 2000 Load: 47.3 t ADT: 41

LAKEMONT BLVD

Good

Over: LEWIS CREEK

1.0 MI S OF I-90, King, WA

Built 1990 Load: 47.3 t ADT: 12,334

TIBBETTS CK LN NW

Good

Over: TIBBETS CREEK

0.01 MI S of Shy Bear Way, King, WA

Built 2008 Load: 47.3 t ADT: 525

N 40TH PLACE

Good

Over: MAY CREEK

0.2 MI W OF I-405, King, WA

Built 2007 Load: 47.3 t ADT: 165

SE 424TH ST

Good

Over: WATERCRESS CREEK

0.6 MI W 284TH AVE SE, King, WA

Built 2011 Load: 47.3 t ADT: 140

12TH ST E

Good

Over: HYLEBOS CREEK

0.34 W HWY 99, Pierce, WA

Built 2023 Load: 47.3 t ADT: 4,225

12TH ST E

Good

Over: WAPATO CREEK

.23 E JCT SR509, Pierce, WA

Built 2023 Load: 47.3 t ADT: 4,225

236th St NE

Good

Over: Unnamed Stream

0.6 E JCT SR5, Snohomish, WA

Built 2022 Load: 47.3 t ADT: 6,201

IDAHO ROAD

Good

Over: SOUTH FORK ROCK CREEK

0.4 MI N OF E TRUAX RD, Spokane, WA

Built 2020 Load: 47.3 t ADT: 36

Thorn Hollow Road

Good

Over: Whetstone Creek

0.03 Miles SE JCT 25860, Columbia, WA

Built 2015 Load: 47.6 t ADT: 200

WESTBOUND I-90

Good

Over: S TRANSIT RR, LAKEVIEW A

1.5 E JCT I-5, King, WA

Built 1989 Load: 47.6 t ADT: 63,053

SCHOOL AVENUE

Good

Over: RUSSELL CREEK

00.276 N RESER RD, Walla Walla, WA

Built 1995 Load: 47.6 t ADT: 1,220

SOUTH FORK COPPEI

Good

Over: SOUTH FORK COPPEI CREEK

00.1 E OF WALKER RD, Walla Walla, WA

Built 1997 Load: 47.6 t ADT: 61

LAKE WHATCOM BLVD

Good

Over: AUSTIN CREEK

00.2 LK LOUISE ROAD, Whatcom, WA

Built 2004 Load: 47.6 t ADT: 5,495

Franklin Road

Good

Over: Cowiche Creek N.Fork

00.12 so. Of Rosenkranz, Yakima, WA

Built 2002 Load: 47.6 t ADT: 495

Marion Drain Road

Good

Over: Toppenish Creek

.60 mi West of Island Rd., Yakima, WA

Built 2007 Load: 47.6 t ADT: 50

YOUMANS ROAD

Good

Over: UNNAMED CREEK

2.3 N JCT HOQ-WISHKAH RD, Grays Harbor, WA

Built 2020 Load: 48.0 t ADT: 949

I-90

Good

Over: ANIMAL CROSSING

0.6 E JCT SR 906, Kittitas, WA

Built 2012 Load: 48.0 t ADT: 17,475

124TH AVE NE

Good

Over: LAKE STEVENS OUTFLOW

0.01 S North Lksh Dr, Snohomish, WA

Built 1993 Load: 48.0 t ADT: 6,560

143RD PL NE

Good

Over: TRIB QUILCEDA CREEK

1.4 MI E INT I-5, Snohomish, WA

Built 1997 Load: 48.0 t ADT: 540

84TH ST NE

Good

Over: LITTLE PILCHUCK CREEK

1.1 W JCT SR 92, Snohomish, WA

Built 2006 Load: 48.0 t ADT: 10,540

STATE STREET

Good

Over: MISSOURI FLAT CREEK

0.07 N JCT SR 195, Whitman, WA

Built 1997 Load: 48.0 t ADT: 4,008

E-NS RAMP I-90

Good

Over: BURLINGTON-NORTHERN RR

12.9 E JCT SR 21, Adams, WA

Built 1985 Load: 48.1 t ADT: 325

I-82

Good

Over: COFFIN ROAD

9.9 E JCT US 395, Benton, WA

Built 1983 Load: 48.1 t ADT: 10,827

SR 225

Good

Over: DRAINAGE CANAL

0.3 N JCT SR 224, Benton, WA

Built 2003 Load: 48.1 t ADT: 10,570

RAINY CREEK

Good

Over: NASON CREEK

NO DATA ENTERED, Chelan, WA

Built 1996 Load: 48.1 t ADT: 25

FRONTIER STREET

Good

Over: CLALLAM RIVER

00.44 NE JCT SR112, Clallam, WA

Built 1995 Load: 48.1 t ADT: 400

OLY.HOTSPRINGS RD.

Good

Over: LITTLE RIVER

00.2 SE JCT SR101, Clallam, WA

Built 1986 Load: 48.1 t ADT: 557

US 12

Good

Over: TOUCHET RIVER

7.5 E WALLA WAL CO, Columbia, WA

Built 1966 Load: 48.1 t ADT: 5,442

SR 504

Good

Over: MARATTA CREEK

20.6 E JCT SR 504 SP, Cowlitz, WA

Built 1992 Load: 48.1 t ADT: 586

Showing 7,551-7,600 of 8,808 bridges

Related

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Data sourced from the FHWA National Bridge Inventory (NBI), latest released cycle. See our methodology for details. Retrieved and formatted by PlainBridges Editorial.

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). A "structurally deficient" rating is a repair-priority signal, not a closure or unsafe-to-cross designation. Consult a qualified civil engineer before making decisions based on this data.

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.