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
I-90
FairOver: YAKIMA RIVER
16.7 E JCT SR 970, Kittitas, WA
Built 1967 Load: 27.5 t ADT: 15,317
I-90
FairOver: YAKIMA RIVER
16.7 E JCT SR 970, Kittitas, WA
Built 1967 Load: 27.5 t ADT: 15,317
CLEMAN ROAD
FairOver: PARKE CREEK
00.12 S TJOSSEM RD, Kittitas, WA
Built 2003 Load: 27.5 t ADT: 2,105
OLSON ROAD
FairOver: SPRING CREEK
1.4 S JCT SR 142, Klickitat, WA
Built 1959 Load: 27.5 t ADT: 107
I-90
FairOver: BROWN ROAD
3.8 E JCT SR 23, Lincoln, WA
Built 1967 Load: 27.5 t ADT: 10,436
FAS ROUTE T242
FairOver: OKANOGAN RIVER
.SENWS14T38NR27E, Okanogan, WA
Built 1961 Load: 27.5 t ADT: 848
FAS ROUTE L242
FairOver: LOST RIVER
.NESE S25,T36,R19, Okanogan, WA
Built 1972 Load: 27.5 t ADT: 1,057
SR 167
FairOver: DRAINAGE
0.2 E JCT I-5, Pierce, WA
Built 1963 Load: 27.5 t ADT: 12,184
BAKER LAKE RD
FairOver: W FORK GRANDY CK
2. NE JCT SR 20, Skagit, WA
Built 1968 Load: 27.5 t ADT: 725
WALNUT-E RAMP
FairOver: PARKING AREA
1.1 E JCT US 195, Spokane, WA
Built 1967 Load: 27.5 t ADT: 12,701
MILAN ROAD
FairOver: LITTLE SPOKANE RIVER
0.75 E PSH NO 195, Spokane, WA
Built 1964 Load: 27.5 t ADT: 218
Gold Creek Loop Rd
FairOver: COLVILLE RIVER
00.13 S JCT SR 395, Stevens, WA
Built 1960 Load: 27.5 t ADT: 928
ROCKCUT ROAD
FairOver: KETTLE RIVER
00.3 E JCT SR395, Stevens, WA
Built 1995 Load: 27.5 t ADT: 155
US 12
FairOver: SLOUGH
1.5 E GRAYS HBR CO, Thurston, WA
Built 1926 Load: 27.5 t ADT: 9,817
GRAYS RIV. LOOP RD
FairOver: HULL CREEK
0.2 S JCT SR 4, Wahkiakum, WA
Built 1973 Load: 27.5 t ADT: 360
SR 9
FairOver: JOHNSON CREEK
3.8 N JCT SR 546, Whatcom, WA
Built 1961 Load: 27.5 t ADT: 3,202
CORNWALL AVENUE
FairOver: BURLINGTON NORTHERN
0.06 NE JCT W LAUREL ST, Whatcom, WA
Built 1964 Load: 27.5 t ADT: 3,100
ODONNELL/5570
FairOver: MISSOURI FLAT CREEK
0.98 MI NE PULLMAN AIRPRT, Whitman, WA
Built 1976 Load: 27.5 t ADT: 84
3RD STREET
FairOver: SILVER CREEK
0.06 S SR 27, Whitman, WA
Built 1980 Load: 27.5 t ADT: 500
LATERAL B RD.
FairOver: USIS CANAL
00.01 S LATERAL 1, Yakima, WA
Built 1956 Load: 27.5 t ADT: 480
POSTMA ROAD
FairOver: ROZA CANAL
00.17 E WALTERS RD, Yakima, WA
Built 1969 Load: 27.5 t ADT: 1,158
MCDONALD ROAD
FairOver: ROZA CANAL
0.5 N HANKS ROAD, Benton, WA
Built 1981 Load: 27.9 t ADT: 103
DOLE VALLEY ROAD
FairOver: EAST FORK LEWIS RIVER
JCT OF CO RD 12, Clark, WA
Built 1961 Load: 27.9 t ADT: 350
THIRD STREET
FairOver: PATIT CREEK
0.25 N JCT US 12, Columbia, WA
Built 1915 Load: 27.9 t ADT: 100
URQUHART AVE(X NE)
FairOver: CRAB CREEK
0.03 S OF BURN ST, Grant, WA
Built 1972 Load: 27.9 t ADT: 170
CRESCENT BAR ROAD
FairOver: TRINIDAD SPRINGS
1.8S SR 28, Grant, WA
Built 1962 Load: 27.9 t ADT: 1,422
WYNOOCHE VALLEY RD
FairOver: BLACK CREEK
03.1 N JCT SR 12, Grays Harbor, WA
Built 1967 Load: 27.9 t ADT: 1,064
Redmond Way
FairOver: SAMMAMISH R
2.5 MI E JCT I-405, King, WA
Built 1972 Load: 27.9 t ADT: 27,000
I-90
FairOver: E FK ISSAQUAH CREEK
2.4 E JCT SR 900, King, WA
Built 1976 Load: 27.9 t ADT: 29,843
LADIGES RD
FairOver: BIRD CREEK
1.0 S YAKIMA CO, Klickitat, WA
Built 1997 Load: 27.9 t ADT: 38
US 12
FairOver: SURREY CREEK
2.5 E JCT SR 131, Lewis, WA
Built 1958 Load: 27.9 t ADT: 2,648
JACKSON HWY SOUTH
FairOver: SALMON CREEK
1.0 S. S.R. 505, Lewis, WA
Built 1923 Load: 27.9 t ADT: 1,368
DOWNS ROAD 20790
FairOver: CRAB CREEK
3.50 N FAS B220, Lincoln, WA
Built 1973 Load: 27.9 t ADT: 53
BONAPARTE AVE.
FairOver: BONAPARTE CREEK
0.1 S.SEVENTH ST., Okanogan, WA
Built 1972 Load: 27.9 t ADT: 100
COUNTY ROAD 9221
FairOver: SALMON CREEK
NWNWS31T34NR26E, Okanogan, WA
Built 1949 Load: 27.9 t ADT: 430
CHASTEEN RD
FairOver: TEN MILE CR
00.1 N TEN MILE RD., Whatcom, WA
Built 1946 Load: 27.9 t ADT: 68
BEAM ROAD
FairOver: ROZA CANAL
00.20 S HOUGHTON RD, Yakima, WA
Built 1971 Load: 27.9 t ADT: 485
Farm Access
FairOver: West Canal DW224 Wastewa
West Canal DW224 Wasteway, Grant, WA
Built 2006 Load: 28.0 t ADT: 5
ROSENOFF RD
FairOver: FARRIER COULEE
0.74 MI E KULM RD., Adams, WA
Built 1920 Load: 28.1 t ADT: 207
NO DATA ENTERED
FairOver: SOLEDUCK RIVER
NO DATA ENTERED, Clallam, WA
Built 1963 Load: 28.1 t ADT: 50
WOODCOCK ROAD
FairOver: DUNGENESS RIVER
02.15 W CRN95250, Clallam, WA
Built 1977 Load: 28.1 t ADT: 4,147
SR 500
FairOver: LACAMAS CREEK
4.0 E JCT SR 503, Clark, WA
Built 1957 Load: 28.1 t ADT: 8,797
I-5
FairOver: LEWIS RIVER
5.8 N JCT SR 501, Clark, WA
Built 1968 Load: 28.1 t ADT: 41,367
SR 17
FairOver: COLUMBIA RIVER
0.1 N JCT SR 173, Douglas, WA
Built 1950 Load: 28.1 t ADT: 2,594
W RD SE
FairOver: EAST LOW CANAL
W SE 1.95 S of I-90, Grant, WA
Built 1951 Load: 28.1 t ADT: 30
SR 167
FairOver: GREEN RIVER
4.7 N JCT SR 18, King, WA
Built 1967 Load: 28.1 t ADT: 65,366
SR 167
FairOver: GREEN RIVER
4.7 N JCT SR 18, King, WA
Built 1967 Load: 28.1 t ADT: 65,366
I-405 N-E RAMP
FairOver: SAMMAMISH RIVER
8.7 N JCT SR 520, King, WA
Built 1968 Load: 28.1 t ADT: 23,472
ROAD
FairOver: YAKIMA RIVER
NO DATA ENTERED, Kittitas, WA
Built 1954 Load: 28.1 t ADT: 100
SR 508
FairOver: TILTON RIVER
32.4 E JCT I-5, Lewis, WA
Built 1947 Load: 28.1 t ADT: 2,178
Showing 3,151-3,200 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 |