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
OLD STATE ROUTE195
PoorOver: N PINE CREEK WIR RR
0.3 N NORTH PINE, Spokane, WA
Built 1929 Load: 14.5 t ADT: 888
NAFF ROAD
PoorOver: CRAB CREEK
5.52 W SR 231, Lincoln, WA
Built 1936 Load: 14.6 t ADT: 50
JACKSON RD
PoorOver: TERRELL CR
S OF BIRCH BAY DR., Whatcom, WA
Built 1975 Load: 14.6 t ADT: 1,037
SEVENTH STREET
PoorOver: COTTONWOOD CREEK
0.01 S JCT US 2, Lincoln, WA
Built 1930 Load: 14.9 t ADT: 200
LOCUST WAY
PoorOver: SWAMP CREEK
1.1 N KING CO LINE, Snohomish, WA
Built 1960 Load: 15.4 t ADT: 7,454
CHERRY CREEK/4150
PoorOver: COTTONWOOD CREEK
0.16 MI S SR 23, Whitman, WA
Built 1964 Load: 15.4 t ADT: 80
GRIFFITH RD
PoorOver: ROCKY COULEE
03.42 MI W SR21, Adams, WA
Built 1929 Load: 15.6 t ADT: 20
FURY LAKE RD.
PoorOver: DEEP CREEK
13.7 MI N OF 1-90, King, WA
Built 1965 Load: 15.6 t ADT: 110
CASCADE AVE EXT.
PoorOver: KANAKA CREEK
0.1 SOUTH FIRST ST. EAST, Skamania, WA
Built 1920 Load: 15.9 t ADT: 152
US 12
PoorOver: RR & N GORDON RD
16.4 E JCT SR 410, Yakima, WA
Built 1971 Load: 16.2 t ADT: 20,818
OAK STREET
PoorOver: CID CANAL
185' S of BOWLES ROAD, Benton, WA
Built 1958 Load: 16.3 t ADT: 1,003
ROSS ROAD
PoorOver: TURBINE CANAL
01.03 S 4TH PARALLE, Kittitas, WA
Built 1991 Load: 16.3 t ADT: 22
NO DATA ENTERED
PoorOver: LOST CREEK DITCH
7 MILES SOUTHWEST OF MT., Skamania, WA
Built 1986 Load: 16.3 t ADT: 50
SR 529
PoorOver: SNOHOMISH RIVER
4.6 N JCT SR 529 SPUR, Snohomish, WA
Built 1927 Load: 16.3 t ADT: 15,905
DEER PARK-MILAN RD
PoorOver: LITTLE SPOKANE RIVER
00.2 W MILAN, Spokane, WA
Built 1954 Load: 16.3 t ADT: 2,046
THIEL RD
PoorOver: WOODWARD CANYON
02.05 N SUDBURY RD, Walla Walla, WA
Built 1953 Load: 16.5 t ADT: 9
M Road SE
PoorOver: EL 29 Waste Way
M SE 0.01 N of 5 SE, Grant, WA
Built 1980 Load: 16.8 t ADT: 2,094
US 101
PoorOver: INDIAN CREEK
33.8 N JCT SR 113, Clallam, WA
Built 1927 Load: 17.2 t ADT: 4,013
9TH STREET
PoorOver: PATAHA CREEK
0.1 S US 12 ON 9TH, Garfield, WA
Built 1955 Load: 17.2 t ADT: 278
I-90
PoorOver: LAKE WASHINGTON
1.9 E JCT I-5, King, WA
Built 1940 Load: 17.2 t ADT: 63,053
15TH ST NORTHWEST
PoorOver: UPRR
0.3 MI E JCT SR 167, King, WA
Built 1972 Load: 17.2 t ADT: 31,879
CHENEY-SPOKANE RD
PoorOver: UP&BN RR & MARSHALL CR
0.2 NE MARSHALL, Spokane, WA
Built 1949 Load: 17.2 t ADT: 2,238
SR 26 SPUR
PoorOver: PALOUSE RIVER
JCT US 195, Whitman, WA
Built 1938 Load: 17.2 t ADT: 3,213
ROAD
PoorOver: TUCANNON RIVER
NO DATA ENTERED, Columbia, WA
Built 1964 Load: 17.3 t ADT: 60
NO DATA ENTERED
PoorOver: E. BRANCH LECLERC CREEK
NO DATA ENTERED, Pend Oreille, WA
Built 1960 Load: 17.5 t ADT: 8
OLD NACHES HIGHWAY
PoorOver: PPL PIPELINES
00.88 S LOCUST LANE, Yakima, WA
Built 1922 Load: 17.8 t ADT: 281
I-5
PoorOver: LEWIS RIVER
5.8 N JCT SR 501, Clark, WA
Built 1940 Load: 18.1 t ADT: 41,367
SR 20
PoorOver: PUGET SND @ PT TOWNSEND
12.9 E JCT US 101, Jefferson, WA
Built 1955 Load: 18.1 t ADT: 63
JORDAN RD
PoorOver: JORDAN CREEK
5.9 NW JCT SR 92, Snohomish, WA
Built 1981 Load: 18.1 t ADT: 1,145
MILL CREEK
PoorOver: MILL CREEK
NO DATA ENTERED, Chelan, WA
Built 1979 Load: 18.2 t ADT: 25
NO DATA ENTERED
PoorOver: RUBY CREEK
NO DATA ENTERED, Pend Oreille, WA
Built 1970 Load: 18.2 t ADT: 1
GILLILAND ROAD
PoorOver: CRAB CREEK
2.74 E FAS G221, Lincoln, WA
Built 1959 Load: 18.5 t ADT: 17
GOSHEN RD
PoorOver: ANDERSON CR
00.4 W. SAND RD, Whatcom, WA
Built 1973 Load: 18.5 t ADT: 1,114
US 195
PoorOver: S FK PALOUSE RIVER
0.3 N JCT SR 272, Whitman, WA
Built 1923 Load: 18.5 t ADT: 9,699
COUNTY ROAD 2850
PoorOver: TEN MILE CREEK
1.05 MI SW JCT RD 2090, Asotin, WA
Built 1972 Load: 18.8 t ADT: 2
STATELINE RD (2)
PoorOver: PINE CREEK
02.27E BURLINGAME, Walla Walla, WA
Built 1964 Load: 18.8 t ADT: 545
MARINE DR
PoorOver: ACCESS RD CREEK OLD RR
0.3 S BENNETT DR., Whatcom, WA
Built 1933 Load: 18.8 t ADT: 7,694
US 101
PoorOver: SOL DUC RIVER
10.5 N JCT SR 110, Clallam, WA
Built 1941 Load: 19.0 t ADT: 3,352
I-5
PoorOver: E FORK LEWIS RIVER
4.1 N JCT SR 501, Clark, WA
Built 1939 Load: 19.0 t ADT: 41,367
SR 504
PoorOver: N FK TOUTLE RIVER
2.6 E JCT SR 505, Cowlitz, WA
Built 1965 Load: 19.0 t ADT: 956
NORTH SHORE ROAD
PoorOver: FINLEY CREEK
6.6 Mi. NE of Jct. Hwy. 1, Grays Harbor, WA
Built 2001 Load: 19.0 t ADT: 200
AMES LK-CARNATION
PoorOver: AMES CREEK
.2 S OF W SNOQ. RD, King, WA
Built 1924 Load: 19.0 t ADT: 1,988
LOWELL-LARIMER RD
PoorOver: CATTLE PASS
2.4 NW JCT SR 9, Snohomish, WA
Built 1972 Load: 19.0 t ADT: 5,643
REECER CREEK ROAD
PoorOver: TOWN DITCH
00.09 N BENDER ROAD, Kittitas, WA
Built 1924 Load: 19.4 t ADT: 1,825
US 12
PoorOver: WISHKAH RIVER
0.2 W JCT US 12, Grays Harbor, WA
Built 1925 Load: 19.8 t ADT: 15,634
SR 167
PoorOver: BNSF RR
0.6 N JCT I-5, Pierce, WA
Built 1934 Load: 19.8 t ADT: 28,423
SR 14
PoorOver: HAMILTON CREEK
15.7 E CLARK CO, Skamania, WA
Built 1978 Load: 19.8 t ADT: 4,327
DOUGLAS FALLS ROAD
PoorOver: MILL CREEK
.20 N OF JCT ALADDIN RD., Stevens, WA
Built 1960 Load: 19.8 t ADT: 672
MILL CREEK RD
PoorOver: MILL CREEK
0.19 N OF SR 4 (MP 47.64), Cowlitz, WA
Built 1958 Load: 20.0 t ADT: 700
Little Egypt Rd.
PoorOver: NO. FK. GOLDSBOROUGH CK.
0.33 S JCT SHELTONMATLOC, Mason, WA
Built 1958 Load: 20.0 t ADT: 191
Showing 8,451-8,500 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.
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 |