Total Bridges
8,808
Public highway bridges in Washington
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
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)
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
05
Arkansas
4.71% top marginal rate
53
Washington
4.81% top marginal rate
18
Indiana
4.94% top marginal rate
20
Kansas
5.25% top marginal rate
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 DeficientOver: NINE MILE CREEK
19.05 E SR 21, Ferry, WA
Built 1958 Load: 2.7 t ADT: 47
4TH ST
PoorOver: MILL CREEK
4TH AND MILL CR, Walla Walla, WA
Built 1908 Load: 2.7 t ADT: 2,624
NO DATA ENTERED
Structurally DeficientOver: WEST BRANCH LECLERC CREE
NO DATA ENTERED, Pend Oreille, WA
Built 1954 Load: 3.5 t ADT: 5
STEVENS RD. -IRRIG
PoorOver: DRAIN
00.26 NO CHAMBERS, Yakima, WA
Built 1965 Load: 3.6 t ADT: 68
PEARL HILL RD
PoorOver: JORDAN CREEK
1.44 E JCT HILAND ORCH RD, Douglas, WA
Built 1953 Load: 4.2 t ADT: 72
FARM ACCESS
PoorOver: ROZA ID WASTEWAY NO 3
NR PARKER HEIGHTS, WA, Yakima, WA
Built 1955 Load: 4.4 t ADT: 10
All Bridges in Washington
STOVER ROAD
FairOver: SLOUGH CREEK
10.0 E RANDLE, Lewis, WA
Built 1967 Load: 24.5 t ADT: 42
PROFFITT ROAD
FairOver: SALZER CREEK
2.0 E CENTRALIA, Lewis, WA
Built 1960 Load: 24.5 t ADT: 146
BROWN ROAD WEST
FairOver: STEARNS CREEK
3.1 SE ADNA, Lewis, WA
Built 1950 Load: 24.5 t ADT: 235
BROWN ROAD WEST
FairOver: W. FK. STEARNS CREEK
3.0 SE ADNA, Lewis, WA
Built 1950 Load: 24.5 t ADT: 235
NORTH FORK RD
FairOver: N.FK. NEWAUKUM RIVER
2.05 NE JCT 94001, Lewis, WA
Built 1962 Load: 24.5 t ADT: 274
NE KRESKY RD
FairOver: SALZER CREEK
0.4 N OF NE HAMPE, Lewis, WA
Built 1964 Load: 24.5 t ADT: 8,602
NEWAUKUM VALLEY RD
FairOver: ALLEN CREEK
0.23 from 94006, Lewis, WA
Built 1950 Load: 24.5 t ADT: 230
HAYWIRE ROAD
FairOver: Stearns Creek
2.5 West Napavine, Lewis, WA
Built 1940 Load: 24.5 t ADT: 238
TOLEDO SALMON ROAD
FairOver: LITTLE SALMON CREEK
3.0 SE TOLEDO, Lewis, WA
Built 1955 Load: 24.5 t ADT: 104
SR 302
FairOver: COULTER CR
1.3 E JCT SR 3, Mason, WA
Built 1956 Load: 24.5 t ADT: 4,208
IRR BIA RTE 56
FairOver: NORTH STAR CREEK
16 KM NORTH OF NESPELEM, Okanogan, WA
Built 1962 Load: 24.5 t ADT: 25
IRR BIA RTE 64
FairOver: WEST FORK SAN POIL RIVER
13 KM SW OF REPUBLIC, Okanogan, WA
Built 1962 Load: 24.5 t ADT: 75
IRR BIA RTE 6
FairOver: GOLD CREEK
21 KM SW OF REPUBLIC, Okanogan, WA
Built 1962 Load: 24.5 t ADT: 25
IRR BIA RTE 62
FairOver: GOLD CREEK
23 KM SW OF REPUBLIC, Okanogan, WA
Built 1962 Load: 24.5 t ADT: 25
IRR BIA RTE 1167
FairOver: NESPELEM RIVER
0.6 KM WEST OF AGENCY, Okanogan, WA
Built 1957 Load: 24.5 t ADT: 250
SR 105
FairOver: DRAINAGE
16.2 N JCT US 101, Pacific, WA
Built 1959 Load: 24.5 t ADT: 1,095
WALVILLE CREEK RD
FairOver: ROCK CREEK
0.18 NE JCT SR 6, Pacific, WA
Built 1981 Load: 24.5 t ADT: 34
NO DATA ENTERED
FairOver: HARVEY CREEK
NO DATA ENTERED, Pend Oreille, WA
Built 1974 Load: 24.5 t
SR 165
FairOver: GULCH NO 2
12.0 N RAINIER PARK, Pierce, WA
Built 1957 Load: 24.5 t ADT: 267
SR 16
FairOver: TYLER ST - SNAKE LAKE
1.6 N JCT I-5, Pierce, WA
Built 1972 Load: 24.5 t ADT: 56,720
ROAD
FairOver: HUCKLEBERRY CREEK
6.0 MI S OF HY 410/73 JCT, Pierce, WA
Built 1964 Load: 24.5 t ADT: 30
PETERSON RD E
FairOver: OHOP CREEK
.4 E JCT SR 7, Pierce, WA
Built 1919 Load: 24.5 t ADT: 85
SUNRISE ROAD
FairOver: SHAW CREEK
2.7 MILES SOUTHWEST OF JC, Pierce, WA
Built 1957 Load: 24.5 t ADT: 1,786
RD. NO. 2820
FairOver: N FORK STILLY RIVER
M.P. 0.2 RD. NO. 2820, Skagit, WA
Built 1967 Load: 24.5 t ADT: 62
CONWAY HILL ROAD
FairOver: CARPENTER CREEK
0.5 E JCT INTERSTATE 5, Skagit, WA
Built 1980 Load: 24.5 t ADT: 95
PULVER ROAD
FairOver: JOE LEARY SLOUGH
.6 S JCT SR 11, Skagit, WA
Built 1955 Load: 24.5 t ADT: 928
NO DATA ENTERED
FairOver: LEWIS RIVER
0.7 MILE WEST OF JCT. RD, Skamania, WA
Built 1976 Load: 24.5 t ADT: 80
NO DATA ENTERED
FairOver: TILLICUM CREEK
ABOUT 22 MILES EAST OF JC, Skamania, WA
Built 1964 Load: 24.5 t ADT: 12
SR 525
FairOver: GN RY
1.9 N JCT SR 526, Snohomish, WA
Built 1941 Load: 24.5 t ADT: 10,313
US 2
FairOver: EBEY ISLAND
0.8 E JCT I-5, Snohomish, WA
Built 1968 Load: 24.5 t ADT: 39,701
311 TH AVE SE
FairOver: BRANCH SO SL SKYKOMISH R
0.7 S JCT SR 2, Snohomish, WA
Built 1970 Load: 24.5 t ADT: 2,323
MARINE DRIVE
FairOver: STILLAGUAMISH RIVER
1.4 S SR 532, Snohomish, WA
Built 1959 Load: 24.5 t ADT: 5,524
OLSON RD/36 AVE NW
FairOver: NORMAN SLOUGH
0.1 S JCT SR 530, Snohomish, WA
Built 1979 Load: 24.5 t ADT: 50
LOCKWOOD RD
FairOver: SWAMP CREEK
0.02 N KING CO LIN, Snohomish, WA
Built 1968 Load: 24.5 t ADT: 4,651
20TH AVENUE WEST
FairOver: RD TO BOEING PARKING LOT
BOEING INTRCHNG, Snohomish, WA
Built 1969 Load: 24.5 t ADT: 19,626
LOMBARD AVENUE
FairOver: BURLINGTON NORTHERN RR
0.1 N OF HEWITT AVE, Snohomish, WA
Built 1989 Load: 24.5 t ADT: 371
SULLIVAN ROAD (NB)
FairOver: SPOKANE RIVER
0.25 N I-90, Spokane, WA
Built 1973 Load: 24.5 t ADT: 28,100
5TH AVE
FairOver: CAPITOL LAKE
1.2 N I-5, Thurston, WA
Built 1948 Load: 24.5 t ADT: 19,640
SR 125
FairOver: SPRING BRANCH
5.1 N JCT SR 125 SPUR, Walla Walla, WA
Built 1960 Load: 24.5 t ADT: 427
COUNTY ROAD 938
FairOver: MILL CREEK
8 miles west of Walla Wal, Walla Walla, WA
Built 1962 Load: 24.5 t ADT: 500
SR 542
FairOver: N FK NOOKSACK R WARNICK
8.0 E JCT SR 547, Whatcom, WA
Built 1931 Load: 24.5 t ADT: 1,903
SR 9
FairOver: N FK NOOKSACK RIVER
12.0 N SKAGIT CO, Whatcom, WA
Built 1954 Load: 24.5 t ADT: 3,956
ROAD
FairOver: SULPHUR CR
NO DATA ENTERED, Whatcom, WA
Built 1954 Load: 24.5 t ADT: 81
TEN MILE RD
FairOver: TEN MILE CR
00.2 W CHASTEEN RD., Whatcom, WA
Built 1947 Load: 24.5 t ADT: 841
JONES RD
FairOver: SLEASMAN SLOUGH
00.3 E NIMS RD, Whatcom, WA
Built 1935 Load: 24.5 t ADT: 150
MOSQUITO LK RD
FairOver: CANYON CR
00.1 S E CANYON LK., Whatcom, WA
Built 1937 Load: 24.5 t ADT: 418
US 195
FairOver: S FK PALOUSE RIVER
12.5 N JCT SR 270, Whitman, WA
Built 1934 Load: 24.5 t ADT: 9,760
FOX/0120
FairOver: PINE CREEK
0.40 MI S ENGEL, Whitman, WA
Built 1954 Load: 24.5 t ADT: 7
KENOVA/3310
FairOver: PINE CREEK
0.33 MI N STEPHEN, Whitman, WA
Built 1916 Load: 24.5 t ADT: 25
IRR BIA RTE 140
FairOver: TOPPENISH CREEK
1.6KM SOUTH OF WHITE SWAN, Yakima, WA
Built 1986 Load: 24.5 t ADT: 400
Showing 2,751-2,800 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.
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.
| Publisher | Kiznis Studio |
| Sources | FHWA National Bridge Inventory, public U.S. government datasets |