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
MOUNTAIN LOOP HWY.
FairOver: BUCK CREEK
28.4 E JCT SR 92, Snohomish, WA
Built 1960 Load: 18.1 t ADT: 923
SR 125
FairOver: TOUCHET RIVER
17.3 N JCT SR 125 SPUR, Walla Walla, WA
Built 1916 Load: 18.1 t ADT: 402
SR 125
FairOver: DRY CREEK
6.2 N JCT SR 125 SPUR, Walla Walla, WA
Built 1921 Load: 18.1 t ADT: 415
ROOSEVELT ST
FairOver: MILL CREEK
ROOSEVELT AND MILL CR, Walla Walla, WA
Built 1910 Load: 18.1 t ADT: 6,123
FLANNEGAN RD
FairOver: JOHNSON CR
00.2 N W GARRISON, Whatcom, WA
Built 1955 Load: 18.1 t ADT: 40
ROCK RD
FairOver: SAAR CR
.18 W OF LENHART RD, Whatcom, WA
Built 1966 Load: 18.1 t ADT: 524
SLATER RD
FairOver: RED RIVER
03.90 W OF NW DR, Whatcom, WA
Built 1900 Load: 18.1 t ADT: 11,365
BRIDGE WY
FairOver: CALIFORNIA CR
0.02 SW LOOMIS TR, Whatcom, WA
Built 1922 Load: 18.1 t ADT: 12
PARK ENTRANCE ROAD
FairOver: TERRELL CREEK
BIRCH BAY STATE PARK, Whatcom, WA
Built 1963 Load: 18.1 t ADT: 135
WAGNER/4110
FairOver: IMBLER CREEK
0.17 MI E DAVIS, Whitman, WA
Built 1900 Load: 18.1 t ADT: 13
ELBERTON/2400
FairOver: DRY CREEK
0.07 MI E DRY CREEK, Whitman, WA
Built 1974 Load: 18.1 t ADT: 160
CLARK/5670
FairOver: FOUR MILE CREEK
0.02 MI N PARVIN, Whitman, WA
Built 1900 Load: 18.1 t ADT: 30
MAIN ST (OLD US97)
FairOver: AHTANUM CREEK
14.5 N JCT SR 22, Yakima, WA
Built 1941 Load: 18.1 t ADT: 8,981
YAKIMA VALLEY HWY
FairOver: S.V.I.D. CANAL
00.02 W OF SCHOOLEY, Yakima, WA
Built 1958 Load: 18.1 t ADT: 1,624
INDIAN CHURCH IRR
FairOver: MARION DRAIN
00.01 S SR 223, Yakima, WA
Built 1965 Load: 18.1 t ADT: 1,202
NILE RD.
FairOver: RATTLESNAKE CREEK
0.01 N FS RD. 1500, Yakima, WA
Built 1996 Load: 18.1 t ADT: 756
ROAD
FairOver: FINNEY CREEK
NO DATA ENTERED, Skagit, WA
Built 1957 Load: 18.2 t ADT: 25
NO DATA ENTERED
FairOver: CANYON CREEK
ABOUT 100' EAST OF RD 37,, Skamania, WA
Built 1963 Load: 18.2 t ADT: 207
PATIT ROAD
FairOver: PATIT CREEK
0.2 E JCT 9132, Columbia, WA
Built 1971 Load: 18.5 t ADT: 275
TUCANNON ROAD
FairOver: TUCANNON RIVER
1.2 SE JCT SR126, Columbia, WA
Built 1963 Load: 18.5 t ADT: 200
TUCANNON ROAD
FairOver: TUCANNON RIVER
1.89 SE JCT SR126, Columbia, WA
Built 1965 Load: 18.5 t ADT: 200
SR 99
FairOver: N 38TH ST
8.3 N JCT SR 509, King, WA
Built 1932 Load: 18.5 t ADT: 53,501
NE CHERRY VLY RD
FairOver: CHERRY CREEK
2.6 MI E OF SR-203, King, WA
Built 1960 Load: 18.5 t ADT: 2,704
SR 821
FairOver: WILSON CR
20.2 N YAKIMA CO, Kittitas, WA
Built 1947 Load: 18.5 t ADT: 1,151
CANYON ROAD
FairOver: WILSON CREEK
00.75 N TJOSSEM RD, Kittitas, WA
Built 1930 Load: 18.5 t ADT: 5,438
US 97
FairOver: LITTLE KLICKITAT RIVER
1.3 N JCT SR 142, Klickitat, WA
Built 1956 Load: 18.5 t ADT: 5,345
SR 167
FairOver: CITY STREETS & RR
0.1 N JCT SR 410, Pierce, WA
Built 1987 Load: 18.5 t ADT: 29,656
I-5
FairOver: 44TH AVE NW
4.1 N JCT SR 532, Snohomish, WA
Built 1971 Load: 18.5 t ADT: 32,189
REITER ROAD
FairOver: DEER CREEK
2.3 NE JCT SR 2, Snohomish, WA
Built 1978 Load: 18.5 t ADT: 117
SR 27
FairOver: COVE CREEK
2.1 N WHITMAN CO, Spokane, WA
Built 1920 Load: 18.5 t ADT: 788
MOSQUITO LK RD
FairOver: MIDDLE FORK
05.2 SE MT.BAKER HY, Whatcom, WA
Built 1915 Load: 18.5 t ADT: 117
ENDICTT-ST JN/4230
FairOver: PALOUSE RIVER
8.35 MI SE SR 23, Whitman, WA
Built 1950 Load: 18.5 t ADT: 176
FORT ROAD
FairOver: DRY WASH
00.12 E FORT EXTEN, Yakima, WA
Built 1946 Load: 18.5 t ADT: 2,250
GLADE ROAD
FairOver: GLADE CREEK
00.74 NE OF TURPIN, Yakima, WA
Built 1958 Load: 18.5 t ADT: 278
ISLAND RD.
FairOver: TOPPENISH CREEK
00.49 S MARION DR., Yakima, WA
Built 1958 Load: 18.5 t ADT: 157
80TH AVE.,S.
FairOver: WIDE HOLLOW CREEK
00.06 S WIDE HOLLOW, Yakima, WA
Built 1956 Load: 18.5 t ADT: 3,500
KLEIN RD
FairOver: DRY WASH
00.75 MI N PRESNELL, Adams, WA
Built 1900 Load: 18.8 t ADT: 9
JANTZ RD
FairOver: INTERMITTENT STREAM
03.47 MI N ROSENOFF, Adams, WA
Built 1953 Load: 18.8 t ADT: 4
HURRICANE RIDGE RO
FairOver: RAVINE
9.65 MI. S. OF JCT. HWY., Clallam, WA
Built 1955 Load: 18.8 t ADT: 603
I-205
FairOver: BURTON RD
2.8 N JCT SR 14, Clark, WA
Built 1974 Load: 18.8 t ADT: 59,112
I-205
FairOver: BURTON RD
2.8 N JCT SR 14, Clark, WA
Built 1974 Load: 18.8 t ADT: 59,112
NW 179 TH ST
FairOver: WHIPPLE CREEK
0.1 W OF NW 41 AVE, Clark, WA
Built 1963 Load: 18.8 t ADT: 897
I-5
FairOver: COWEEMAN RIVER
2.0 N JCT SR 432, Cowlitz, WA
Built 1979 Load: 18.8 t ADT: 28,653
SR 504
FairOver: HOFFSTADT CREEK
8.4 E JCT SR 504 SP, Cowlitz, WA
Built 1991 Load: 18.8 t ADT: 648
HOLCOMB RD
FairOver: C&C RAILROAD
0.12 E PAC AVE N (MP 2.94, Cowlitz, WA
Built 1968 Load: 18.8 t ADT: 300
COUNTY HIGHWAY
FairOver: SCOOTENEY RESERVOIR
0.8 E SAGEHILL 400, Franklin, WA
Built 1953 Load: 18.8 t ADT: 457
SR 28
FairOver: IRRIGATION CANAL
4.5 E DOUGLAS CO, Grant, WA
Built 1952 Load: 18.8 t ADT: 10,690
I-90
FairOver: RD N NE & RR
2.4 E JCT SR 17, Grant, WA
Built 1959 Load: 18.8 t ADT: 6,338
I-90
FairOver: RD N NE & RR
2.4 E JCT SR 17, Grant, WA
Built 1959 Load: 18.8 t ADT: 6,338
U ROAD SE
FairOver: EAST LOW CANAL BLK 44
U SE 0.1 South of 7 SE, Grant, WA
Built 1985 Load: 18.8 t ADT: 1,394
Showing 1,901-1,950 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 |