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

US 101

Fair

Over: CALAWAH RIVER

7.8 N JEFFERSON CO, Clallam, WA

Built 1938 Load: 22.7 t ADT: 5,905

NO DATA ENTERED

Fair

Over: BEAR CREEK

NO DATA ENTERED, Clallam, WA

Built 1963 Load: 22.7 t ADT: 50

SOL DUC HOT SPRING

Fair

Over: SOL DUC RIVER

12.5 MI. SE OF JCT. HWY., Clallam, WA

Built 1974 Load: 22.7 t ADT: 100

I-5

Fair

Over: ELM ST

8.8 N JCT SR 503, Cowlitz, WA

Built 1968 Load: 22.7 t ADT: 33,882

WILLOW GULCH RD

Fair

Over: DEADMAN CREEK

1.6 E JCT SR 127, Garfield, WA

Built 1960 Load: 22.7 t ADT: 40

E RD SE

Fair

Over: IRRIGATION LATERAL

0.8S 13SE, Grant, WA

Built 1954 Load: 22.7 t ADT: 113

9 RD NW

Fair

Over: IRRIGATION LATERAL

9 NW .01 W of S, Grant, WA

Built 1953 Load: 22.7 t ADT: 309

R RD NW

Fair

Over: IRRIGATION LAT.

R NW 0.9 N of 12 NW, Grant, WA

Built 1952 Load: 22.7 t ADT: 250

Martin Rd

Fair

Over: WASTEWAY

12 NW .1 West of R, Grant, WA

Built 1952 Load: 22.7 t ADT: 29

NO DATA ENTERED

Fair

Over: W FK HUMPTULIPS RIVER

NO DATA ENTERED, Grays Harbor, WA

Built 1951 Load: 22.7 t ADT: 50

PARK ENTRANCE ROAD

Fair

Over: LAKE SYLVIA

LAKE SYLVIA STATE PARK, Grays Harbor, WA

Built 1976 Load: 22.7 t ADT: 1,000

SR 525

Fair

Over: POSSESSION SOUND

1.9 N JCT SR 526, Island, WA

Built 1987 Load: 22.7 t ADT: 12,000

US 101

Fair

Over: MCDONALD CR

27.2 S JCT SR 104, Jefferson, WA

Built 1926 Load: 22.7 t ADT: 2,393

SR 203

Fair

Over: CREEK

3.0 N JCT SR 202, King, WA

Built 1945 Load: 22.7 t ADT: 7,622

SR 160

Fair

Over: PUGET SOUND

N END VASHON ISLAND, King, WA

Built 1993 Load: 22.7 t ADT: 2,635

ROAD

Fair

Over: S FK SNOQUALMIE RIVER

0.1 MI W OF 58/5830 JCT, King, WA

Built 1964 Load: 22.7 t ADT: 50

BEACH DRIVE NE

Fair

Over: MCALEER CREEK

0.12 MI SE OF SR-522, King, WA

Built 1949 Load: 22.7 t ADT: 600

SHORE DRIVE NE

Fair

Over: MCALEER CREEK

0.22 MI SE OF SR-522, King, WA

Built 1949 Load: 22.7 t ADT: 600

SW ADMIRAL WAY

Fair

Over: SCHMITZ BLVD, RAVINE

5500 SW Admiral Way, King, WA

Built 1935 Load: 22.7 t ADT: 12,500

ROOSEVELT WAY NE

Fair

Over: NE CAMPUS PARKWAY

4100 Roosevelt Way NE, King, WA

Built 1949 Load: 22.7 t ADT: 24,500

45TH AVE NE

Fair

Over: THORNTON CREEK

45th Ave NE & NE 97th St, King, WA

Built 1949 Load: 22.7 t ADT: 2,500

SR 303

Fair

Over: PORT WASHINGTON NARROWS

0.9 N JCT SR 304, Kitsap, WA

Built 1958 Load: 22.7 t ADT: 41,918

CORRAL CREEK

Fair

Over: MIDDLE FORK TEANAWAY

NO DATA ENTERED, Kittitas, WA

Built 1955 Load: 22.7 t ADT: 50

SMITHSON ROAD

Fair

Over: DRY CREEK

00.06 E SR 97, Kittitas, WA

Built 1932 Load: 22.7 t ADT: 39

SR 141

Fair

Over: WHITE SALMON R

4.0 N JCT SR 141 SPUR, Klickitat, WA

Built 1940 Load: 22.7 t ADT: 3,189

JENKINS CREEK ROAD

Fair

Over: WEST PRONG LITTLE KLICK.

0.2 W SR 97, Klickitat, WA

Built 1974 Load: 22.7 t ADT: 61

CERES HILL ROAD

Fair

Over: BUNKER CREEK

3.0 NW ADNA, Lewis, WA

Built 1963 Load: 22.7 t ADT: 159

COAL CREEK ROAD

Fair

Over: COAL CREEK

1.8 E CHEHALIS, Lewis, WA

Built 1976 Load: 22.7 t ADT: 1,047

SHOREY RD

Fair

Over: NEWAUKUM RIVER

0.83 SE JCT SR 6, Lewis, WA

Built 1960 Load: 22.7 t ADT: 2,826

STEVENS CANYON ROA

Fair

Over: RAVINE

12.2 miles west of jct. U, Lewis, WA

Built 1955 Load: 22.7 t ADT: 1,500

SR 3

Fair

Over: CRANBERRY CREEK

8.6 N JCT US 101, Mason, WA

Built 1957 Load: 22.7 t ADT: 15,429

US 101

Fair

Over: WAKETICKEH CREEK

3.9 S JEFFERSON CO, Mason, WA

Built 1982 Load: 22.7 t ADT: 2,336

NO DATA ENTERED

Fair

Over: HAMMA HAMMA RIVER

NO DATA ENTERED, Mason, WA

Built 1950 Load: 22.7 t ADT: 30

FOGGY DEW RD

Fair

Over: NORTH FK GOLD CREEK

NO DATA ENTERED, Okanogan, WA

Built 1949 Load: 22.7 t ADT: 37

SR 31

Fair

Over: SLATE CREEK

21.1 N JCT SR 20, Pend Oreille, WA

Built 1933 Load: 22.7 t ADT: 103

ORVILLE RD E

Fair

Over: KAPOWSIN CREEK

10.7 NE JCT SR 161, Pierce, WA

Built 1920 Load: 22.7 t ADT: 2,875

PARADISE CONNECTIO

Fair

Over: EDITH CREEK

18.0 miles northeast of N, Pierce, WA

Built 1926 Load: 22.7 t ADT: 500

ROAD

Fair

Over: GEE CREEK

NO DATA ENTERED, Skagit, WA

Built 1956 Load: 22.7 t ADT: 25

ROAD

Fair

Over: CASCADE RIVER

NO DATA ENTERED, Skagit, WA

Built 1965 Load: 22.7 t ADT: 10

NO DATA ENTERED

Fair

Over: CISPUS RIVER

20 MILES SOUTH-EAST OF JC, Skamania, WA

Built 1951 Load: 22.7 t ADT: 300

I-5

Fair

Over: STILLAGUAMISH RIVER

0.7 N JCT SR 530, Snohomish, WA

Built 1933 Load: 22.7 t ADT: 43,620

US 2

Fair

Over: WOODS CREEK

0.4 E JCT SR 203, Snohomish, WA

Built 1950 Load: 22.7 t ADT: 21,133

WOODS CR RD

Fair

Over: WOODS CREEK

8.1 NE JCT SR 2, Snohomish, WA

Built 1966 Load: 22.7 t ADT: 1,578

HOME ACRES ROAD

Fair

Over: EBEY SLOUGH

2.6 S JCT SR 2, Snohomish, WA

Built 1976 Load: 22.7 t ADT: 1,116

MOUNTAIN LOOP HWY.

Fair

Over: COAL CREEK

24.0 E JCT SR 92, Snohomish, WA

Built 1949 Load: 22.7 t ADT: 1,324

HIGH BRIDGE RD

Fair

Over: TRIB. SNOQUALMIE RIVER

2.9 N KING CO LINE, Snohomish, WA

Built 1983 Load: 22.7 t ADT: 1,754

BOLLENBAUGH HILLRD

Fair

Over: WEST FORK WOODS CREEK

3.5 NE JCT SR 2, Snohomish, WA

Built 1967 Load: 22.7 t ADT: 1,378

MARINE DRIVE

Fair

Over: STURGEON CREEK

0.8 NW JCT I-5, Snohomish, WA

Built 1988 Load: 22.7 t ADT: 16,436

STARR ROAD

Fair

Over: NEWMAN LAKE OUTLET

STARR RD. 02.0 N. MOAB, Spokane, WA

Built 1968 Load: 22.7 t ADT: 1,781

SULLIVAN ROAD (NB)

Fair

Over: UNION PACIFIC RR

1.1 S TRENT ROAD, Spokane, WA

Built 1973 Load: 22.7 t ADT: 28,100

Showing 2,451-2,500 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.