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
CONC SAUK VALLEY R
FairOver: SAUK RIVER
0.14 NW JCT SR 530, Skagit, WA
Built 1930 Load: 14.3 t ADT: 158
NO DATA ENTERED
FairOver: LEWIS RIVER
2 MILES NORTH OF JCT. RD, Skamania, WA
Built 1980 Load: 14.3 t ADT: 179
SR 278
FairOver: ROCK CREEK
2.2 E JCT SR 27, Spokane, WA
Built 1950 Load: 14.3 t ADT: 3,143
STEINMETZ ROAD
FairOver: COLVILLE RIVER
.35 NE HEINE RD., Stevens, WA
Built 1962 Load: 14.3 t ADT: 172
ENDICOTT/4000
FairOver: REBEL FLAT CREEK
27.79 MI E ADAMS CNTY LNE, Whitman, WA
Built 1920 Load: 14.3 t ADT: 672
PAT OLD/5630
FairOver: SOUTH FORK PALOUSE RIVER
0.46 MI S PULLMAN-ALBION, Whitman, WA
Built 1963 Load: 14.3 t ADT: 10
STATELINE/1070
FairOver: HANGMAN CREEK
2.62 MI S SR 274, Whitman, WA
Built 1963 Load: 14.3 t ADT: 20
BROWNSTOWN RD.,N.
FairOver: CANAL - MAIN EXTENSION
00.70 N WEST WAPATO, Yakima, WA
Built 1958 Load: 14.3 t ADT: 113
BONNIEVIEW ROAD
FairOver: SVID CANAL
00.10 W WILLOUGHBY, Yakima, WA
Built 1969 Load: 14.3 t ADT: 380
TERRACE HEIGHTS DR
FairOver: 18TH STREET
00.04 E OF N18TH ST, Yakima, WA
Built 1979 Load: 14.3 t ADT: 28,500
NILE ROAD
FairOver: NACHES RIVER
00.19 W OF SR 410, Yakima, WA
Built 1965 Load: 14.3 t ADT: 600
W DRAVUS ST
FairOver: 15TH AVE W
W Dravus St & 15th Ave W, King, WA
Built 1959 Load: 14.5 t ADT: 21,000
DIABLO ACCESS ROAD
FairOver: SKAGIT RIVER
Diable Dam, King, WA
Built 1930 Load: 14.5 t ADT: 220
DIABLO DAM ACCESS
FairOver: SKAGIT RIVER
Diablo Dam, King, WA
Built 1930 Load: 14.5 t ADT: 220
LINCOLN CREEK RD
FairOver: LINCOLN CREEK
9.0 NW CENTRALIA, Lewis, WA
Built 1977 Load: 14.5 t ADT: 266
ELM STREET
FairOver: CORBETT CREEK
0.1 E THIRD ST, Lincoln, WA
Built 1940 Load: 14.5 t ADT: 50
FERRY TRAFFIC
FairOver: BLIND BAY
BLIND BAY-SAN JUAN, San Juan, WA
Built 1973 Load: 14.5 t ADT: 308
MOUNTAIN LOOP HWY.
FairOver: PERRY CREEK
26.2 E JCT SR 92, Snohomish, WA
Built 1958 Load: 14.5 t ADT: 444
MOUNTAIN LOOP HWY.
FairOver: WISCONSIN CREEK
14.7 E JCT SR 92, Snohomish, WA
Built 1960 Load: 14.5 t ADT: 1,118
US 12
FairOver: WALLA WALLA RIVER
12.0 E JCT SR 124, Walla Walla, WA
Built 1953 Load: 14.5 t ADT: 8,399
TURKINGTON RD
FairOver: JONES CR
00.5 W VALLEY HWY, Whatcom, WA
Built 1951 Load: 14.5 t ADT: 338
HOLLY STREET
FairOver: WHATCOM CREEK
.3 W OF CITY HALL, Whatcom, WA
Built 1922 Load: 14.5 t ADT: 8,700
SWAMP CREEK ROAD
FairOver: NACHES RIVER
ABOVE WHISTLING JACK, Yakima, WA
Built 1960 Load: 14.5 t ADT: 40
FARM ACCESS
FairOver: East Low 68 Mile Lateral
EL 68 Mile Lateral Statio, Adams, WA
Built 1953 Load: 14.6 t ADT: 5
OIEH
FairOver: CHANDLER CANAL
1.44 mi W of RAYHILL ROAD, Benton, WA
Built 1953 Load: 14.6 t ADT: 867
NE 3 AVE.
FairOver: WASHOUGAL RIVER
1.4 E JCT. SR 500, Clark, WA
Built 1947 Load: 14.6 t ADT: 9,924
I-90
FairOver: RICHARDS RD
0.2 E JCT I-405, King, WA
Built 1940 Load: 14.6 t ADT: 63,853
W.B. & REV I-90
FairOver: LAKE WASHINGTON
2.6 E JCT I-5, King, WA
Built 1989 Load: 14.6 t ADT: 63,053
GRAVELLE ROAD
FairOver: CRAB CREEK
3.80 W SR 231, Lincoln, WA
Built 1942 Load: 14.6 t ADT: 51
CRICK ROAD 19010
FairOver: WILSON CREEK
2.25 SE SR 2, Lincoln, WA
Built 1900 Load: 14.6 t ADT: 17
I-5
FairOver: 212TH ST SW
2.2 N JCT SR 104, Snohomish, WA
Built 1963 Load: 14.6 t ADT: 96,309
I-5
FairOver: SMITH AVE
3.7 N JCT SR 527, Snohomish, WA
Built 1967 Load: 14.6 t ADT: 88,747
MOUNTAIN LOOP HWY.
FairOver: S.F. STILLAGUAMISH RIVER
12.1 E JCT SR 92, Snohomish, WA
Built 1954 Load: 14.6 t ADT: 1,756
KEEVY ROAD
FairOver: LATAH CREEK
06.0 E SPANGLE, Spokane, WA
Built 1976 Load: 14.6 t ADT: 15
CRESCENT ROAD
FairOver: DRAGOON CREEK
1.0 S CHATTEROY, Spokane, WA
Built 1986 Load: 14.6 t ADT: 92
Lyons Hill Road
FairOver: CHAMOKANE CREEK
0.14 S SPRINGDALE-HUNTERS, Stevens, WA
Built 1969 Load: 14.6 t ADT: 50
ALDRICH RD
FairOver: TEN MILE CR.
0.2 S W HEMMI RD, Whatcom, WA
Built 1924 Load: 14.6 t ADT: 1,192
LATERAL 'C' ROAD
FairOver: USIS CANAL
00.46 S W WAPATO RD, Yakima, WA
Built 1962 Load: 14.6 t ADT: 375
FIRING CENTER ROAD
FairOver: ROZA CANAL
00.16 W OF TP ROAD, Yakima, WA
Built 1960 Load: 14.6 t ADT: 2,950
NE 232ND AVE
FairOver: MATNEY CREEK
0.2N JCT NE58 ST, Clark, WA
Built 1930 Load: 14.9 t ADT: 814
FERRY STREET
FairOver: KETTLE RIVER
00.0 E 21 IN CURLEW, Ferry, WA
Built 1908 Load: 14.9 t ADT: 360
COUNTY ROAD
FairOver: ELTOPIA BRANCH CANAL
1.1 S IRONWOOD 636, Franklin, WA
Built 1965 Load: 14.9 t ADT: 272
COUNTY HIGHWAY
FairOver: POTHOLES EAST CANAL
0.48N JCT R 506, Franklin, WA
Built 1954 Load: 14.9 t ADT: 2,303
UPPER HOH ROAD
FairOver: ROCK CREEK
6.5E JCT SR101, Jefferson, WA
Built 1973 Load: 14.9 t ADT: 877
STATE ROUTE 181
FairOver: MILL CR
0.1 MI N OF S 277TH ST, King, WA
Built 1954 Load: 14.9 t ADT: 20,000
E-N RAMP
FairOver: CITY STREET, NPRR
2.4 N JCT SR 509, King, WA
Built 1959 Load: 14.9 t ADT: 10,336
10TH AVENUE NW
FairOver: SIDE HILL RAVINE
0.1 MI W OF NW INNIS ARD, King, WA
Built 1931 Load: 14.9 t ADT: 730
S FRAGGER ROAD
FairOver: MULLEN SLOUGH
0.4 MI S JCT SR-516, King, WA
Built 1950 Load: 14.9 t ADT: 1,600
ROBINSON CAN ROAD
FairOver: LIGHT DITCH
00.09 W S THORP HWY, Kittitas, WA
Built 1957 Load: 14.9 t ADT: 885
NO DATA ENTERED
FairOver: CISPUS RIVER
9 MILES SOUTH OF HWY 12 J, Lewis, WA
Built 1955 Load: 14.9 t ADT: 650
Showing 1,551-1,600 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 |