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%.

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.

All Bridges in Washington

COLUMBIA RIVER RD

Good

Over: OMAK CREEK

0.77 mi S. Jct. SR155, Okanogan, WA

Built 2006 Load: 96.9 t ADT: 553

Flowery Trail

Good

Over: Windchester Creek

6 miles w of HWY 20, Pend Oreille, WA

Built 1999 Load: 96.9 t ADT: 350

SR 167

Good

Over: SOATON CREEK

2.9 N JCT SR 410, Pierce, WA

Built 2003 Load: 96.9 t ADT: 91,109

Port of Tacoma Rd

Good

Over: Port Access Road

1.9 N JCT I-705, Pierce, WA

Built 2001 Load: 96.9 t ADT: 13,900

LAVENTURE ROAD

Good

Over: MADDOX CREEK

NORTH OF BLACKBURN, Skagit, WA

Built 2010 Load: 96.9 t ADT: 8,735

SR 14 (FIRST ST.)

Good

Over: KANAKA CREEK

0.2 E COLUMBIA ST., Skamania, WA

Built 1998 Load: 96.9 t ADT: 1,026

SR 522

Good

Over: WILDLIFE CROSSING

7.9 E JCT SR 9, Snohomish, WA

Built 2012 Load: 96.9 t ADT: 30,470

SR 532

Good

Over: CHURCH CREEK

3.2 E SNOHOMISH CO, Snohomish, WA

Built 2017 Load: 96.9 t ADT: 17,817

187th Pl SE

Good

Over: Un-named wetland

1.6 E SR 527, Snohomish, WA

Built 2015 Load: 96.9 t ADT: 1,032

LAKE CHAPLAIN ROAD

Good

Over: WOODS LAKE CREEK

4.7 NE JCT SR2, Snohomish, WA

Built 2017 Load: 96.9 t ADT: 100

CLIFF AVENUE

Good

Over: BEN GARNETT WAY

0.48 S OF I-90, Spokane, WA

Built 1969 Load: 96.9 t ADT: 710

STENTZ ROAD

Good

Over: SPANGLE CREEK

0.2 N SPANGLE CR RD, Spokane, WA

Built 1997 Load: 96.9 t ADT: 42

JACKSON ROAD

Good

Over: OCHLARE CREEK

3.0 MI S. FREEMAN, Spokane, WA

Built 2014 Load: 96.9 t ADT: 125

43rd

Good

Over: Garfield

43rd Ave, Spokane, WA

Built 2016 Load: 96.9 t ADT: 1,498

BARNEY RD

Good

Over: MUDD CREEK

1.3 W OF LOWDEN RD, Walla Walla, WA

Built 2017 Load: 96.9 t ADT: 90

ALMOTA/8000

Good

Over: REBEL FLAT CREEK

1.00 MI S DUNCAN SPRINGS, Whitman, WA

Built 1998 Load: 96.9 t ADT: 428

COLFAX AIRPRT/8010

Good

Over: REBEL FLAT CREEK

0.7 MI SE SR 26, Whitman, WA

Built 2013 Load: 96.9 t ADT: 1,179

US 12

Good

Over: WILDCAT CREEK

14.8 E LEWIS CO, Yakima, WA

Built 2018 Load: 96.9 t ADT: 1,922

ALDERDALE ROAD

Good

Over: GLADE CREEK

00.14 S GLADE ROAD, Yakima, WA

Built 1985 Load: 96.9 t ADT: 485

RIGGS RD.

Good

Over: WAPATO CANAL

00.15 S LATERAL 1, Yakima, WA

Built 1964 Load: 96.9 t ADT: 267

NO DATA ENTERED

Good

Over: BEAR CREEK

NO DATA ENTERED, Clallam, WA

Built 1995 Load: 97.2 t ADT: 50

NO DATA ENTERED

Good

Over: NEWBURY CREEK

NO DATA ENTERED, Grays Harbor, WA

Built 2005 Load: 97.2 t ADT: 50

NO DATA ENTERED

Good

Over: NORTH FORK TOATS COULEE

NO DATA ENTERED, Okanogan, WA

Built 1973 Load: 97.2 t ADT: 50

NO DATA ENTERED

Good

Over: W BRANCH LECLERC 19.7

NO DATA ENTERED, Pend Oreille, WA

Built 2005 Load: 97.2 t ADT: 50

BADGER POCKET RD.

Good

Over: SELAH SPRINGS

COORDINATES GS038745, Yakima, WA

Built 2000 Load: 97.2 t ADT: 200

MAINTENANCE ROAD

Good

Over: MAIN CANAL

MAIN CANAL 3.88, Grant, WA

Built 1977 Load: 97.8 t ADT: 10

NO DATA ENTERED

Good

Over: S. SITKUM

NO DATA ENTERED, Clallam, WA

Built 2012 Load: 99.9 t ADT: 50

QUICK RD

Good

Over: WHITTLE CREEK

0.63 W WSH (MP 0.90), Cowlitz, WA

Built 1999 Load: 99.9 t ADT: 130

MAINTENANCE ROAD

Good

Over: WEST CANAL

Frenchman Hills WW, 5 mi, Grant, WA

Built 2008 Load: 99.9 t ADT: 10

East Low Canal

Good

Over: East Low Canal

Weber Branch Siphon, Grant, WA

Built 1950 Load: 99.9 t ADT: 1

East Low Canal

Good

Over: East Low Canal

Weber Coulee Siphon Inlet, Grant, WA

Built 1950 Load: 99.9 t ADT: 1

STEVENS CANYON ROA

Good

Over: NICKEL CREEK

9.8 MILES WEST OF JCT. U., Lewis, WA

Built 1952 Load: 99.9 t ADT: 1,375

NO DATA ENTERED

Good

Over: WEST FORK SWIFT

NO DATA ENTERED, Skamania, WA

Built 1984 Load: 99.9 t ADT: 100

88th St SE

Good

Over: PILCHUCK R. OVERFLOW

0.1 SW INT SR2, Snohomish, WA

Built 1986 Load: 99.9 t ADT: 13,397

W Galer Street

Poor

Over: Private Road

Magnolia, Seattle, King, WA

Built 1929

NFSR 7003000

Poor

Over: EAGLE CREEK

ROAD 70 OFF HWY 7, Lewis, WA

Built 1970 ADT: 50

Fish War Mem X-ing

Poor

Over: PUYALLUP RIVER

0.2 N JCT I-5, Pierce, WA

Built 1925 ADT: 15,255

4TH ST

Poor

Over: MILL CREEK

4TH AND MILL CR, Walla Walla, WA

Built 1908 Load: 2.7 t ADT: 2,624

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

NE INDEX CK RD

Poor

Over: SKYKOMISH RIVER-S FORK

0.1 MI S OF SR-2, King, WA

Built 1930 Load: 5.4 t ADT: 80

PORTLAND AVE

Poor

Over: PUYALLUP AVE NPRR

0.2 N JCT I-5 PORT, Pierce, WA

Built 1973 Load: 5.8 t ADT: 19,549

OLD HWY 99 NORTH

Poor

Over: THOMAS CREEK

1.4 N JCT COOK RD., Skagit, WA

Built 1934 Load: 6.2 t ADT: 4,372

MARTIN RD

Poor

Over: ANDERSON CR

00.2 E. ROBERTS RD, Whatcom, WA

Built 1958 Load: 6.3 t ADT: 80

HARRIS RD.,N.

Poor

Over: DRAIN

00.26 S SO TRACK RD, Yakima, WA

Built 1959 Load: 7.1 t ADT: 31

5TH ST

Poor

Over: MILL CREEK

5TH AND MILL CR, Walla Walla, WA

Built 1916 Load: 7.3 t ADT: 1,970

CHASE AVE

Poor

Over: GARRISON CR

0.006 S of HARRISON ST, Walla Walla, WA

Built 1936 Load: 7.3 t ADT: 1,235

MI 2.8 THOMPSON

Poor

Over: ROCKY COULEE WASTEWAY

NR MOSES LAKE,WA, Grant, WA

Built 1950 Load: 7.5 t ADT: 10

CHATTAROY ROAD

Poor

Over: LITTLE SPOKANE RIVER

CHATTAROY, Spokane, WA

Built 1953 Load: 7.5 t ADT: 1,387

Showing 8,351-8,400 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 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.