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
ROEDER AVENUE
FairOver: SQUALLICUM CREEK
0.02 S JCT SQUALICUM WAY, Whatcom, WA
Built 1962 Load: 24.3 t ADT: 7,200
HAY-LACROSSE/7000
FairOver: MUD FLAT CREEK
9.24 MI S SR 26, Whitman, WA
Built 1970 Load: 24.3 t ADT: 107
KAMIAKEN STREET
FairOver: S FORK PALOUSE RIVER
00.10 N JCT SR270, Whitman, WA
Built 1930 Load: 24.3 t ADT: 2,554
RAY SYMMONDS ROAD
FairOver: SELAH-MOXEE CANAL
00.14 E EAST SELAH, Yakima, WA
Built 1962 Load: 24.3 t ADT: 95
SR 26
FairOver: LOWER CRAB CREEK
0.2 E GRANT CO, Adams, WA
Built 1955 Load: 24.5 t ADT: 3,691
URQUHART RD
FairOver: WEBER COULEE
00.75 MI E KULM RD, Adams, WA
Built 1917 Load: 24.5 t ADT: 57
US 395
FairOver: COLUMBIA R-RIVERSIDE DR
0.3 N JCT SR 240, Benton, WA
Built 1954 Load: 24.5 t ADT: 66,035
NO DATA ENTERED
FairOver: CISPUS RIVER
ABOUT 25 MILES SE OF RAND, Benton, WA
Built 1949 Load: 24.5 t ADT: 50
SERVICE ROAD
FairOver: ICICLE CREEK
0.2 MI E OF OFFICE, Chelan, WA
Built 1935 Load: 24.5 t ADT: 2
US 97
FairOver: PESHASTIN CREEK
9.4 N KITTITAS CO, Chelan, WA
Built 1958 Load: 24.5 t ADT: 5,791
US 97
FairOver: PESHASTIN CREEK
9.5 N KITTITAS CO, Chelan, WA
Built 1958 Load: 24.5 t ADT: 5,791
US 97
FairOver: PESHASTIN CREEK
12.1 N KITTITAS CO, Chelan, WA
Built 1958 Load: 24.5 t ADT: 5,791
US 97
FairOver: PESHASTIN CREEK
12.5 N KITTITAS CO, Chelan, WA
Built 1958 Load: 24.5 t ADT: 5,791
CHIWAWA ROAD
FairOver: ROCK CREEK
NO DATA ENTERED, Chelan, WA
Built 1961 Load: 24.5 t ADT: 100
SR 285
FairOver: WENATCHEE RIVER & BNSF
1.5 N JCT SR 285COWENTCH, Chelan, WA
Built 1933 Load: 24.5 t ADT: 19,498
STEHEKIN VALLEY RO
FairOver: STEHEKIN RIVER
12.5 Miles NW of Stehekin, Chelan, WA
Built 1971 Load: 24.5 t ADT: 10
IRR BIA RTE 1
FairOver: SOOES RIVER
8 KM S.W. OF NEAH BAY, Clallam, WA
Built 1961 Load: 24.5 t ADT: 300
US 101
FairOver: SOL DUC RIVER
7.7 N JCT SR 113, Clallam, WA
Built 1948 Load: 24.5 t ADT: 2,945
US 101
FairOver: SOL DUC RIVER
8.6 N JCT SR 113, Clallam, WA
Built 1948 Load: 24.5 t ADT: 2,945
SR 14
FairOver: WEST CAMAS SLOUGH
6.7 E JCT I-205, Clark, WA
Built 1964 Load: 24.5 t ADT: 29,070
SR 4
FairOver: HALF BR W OF BUNKER HILL
4.0 E WAHKIAKUM CO, Cowlitz, WA
Built 1930 Load: 24.5 t ADT: 4,665
SR 411
FairOver: BURLINGTON NORTHERN RR
13.3 N JCT SR 432, Cowlitz, WA
Built 1922 Load: 24.5 t ADT: 5,141
IRR BIA RTE 6
FairOver: WEST FORK SAN POIL RIVER
11 KM S.W. OF REPUBLIC, Ferry, WA
Built 1962 Load: 24.5 t ADT: 300
IRR BIA RTE 100
FairOver: NINE MILE CREEK
6 KM NW OF NINE MILE, Ferry, WA
Built 1962 Load: 24.5 t ADT: 50
18 TH STREET
FairOver: PATAHA CREEK
0.1 S US12 ON 18TH, Garfield, WA
Built 1960 Load: 24.5 t ADT: 200
11 ROAD NW
FairOver: LAT. BLK 73
11 NW .01 W of R, Grant, WA
Built 1952 Load: 24.5 t ADT: 580
3 RD NW
FairOver: IRRIGATION LATERAL
3 NW 0.5 East of P NW, Grant, WA
Built 1952 Load: 24.5 t ADT: 121
H ROAD SE
FairOver: WEST CANAL BLK 80
H SE 0.6 S of 10 SE, Grant, WA
Built 1953 Load: 24.5 t ADT: 748
SR 109
FairOver: COPALIS R
5.3 N JCT SR 115, Grays Harbor, WA
Built 1952 Load: 24.5 t ADT: 1,339
SR 109
FairOver: GRASS CREEK
6.5 N JCT US 101, Grays Harbor, WA
Built 1956 Load: 24.5 t ADT: 6,736
PORTER CREEK ROAD
FairOver: PORTER CREEK
01.1 E JCT SR12, Grays Harbor, WA
Built 1979 Load: 24.5 t ADT: 305
DOWANS CREEK RD
FairOver: HEMPHILL CREEK
2.3E JCT SR101, Jefferson, WA
Built 1977 Load: 24.5 t ADT: 90
5TH ST N
FairOver: S FK SKYKOMISH RIVER
0.1 S JCT US 2, King, WA
Built 1939 Load: 24.5 t ADT: 1,160
I-5 SOUTHBOUND
FairOver: TERRAIN
2.6 N JCT SR 900, King, WA
Built 1967 Load: 24.5 t ADT: 101,485
I-90
FairOver: 4TH AVE NW & TRAIL
1.0 E JCT SR 900, King, WA
Built 1971 Load: 24.5 t ADT: 30,913
15TH AVE W
FairOver: SHILSHOLE AVE NW,
4300 15th Ave W, King, WA
Built 1940 Load: 24.5 t ADT: 52,000
S ALBRO PL
FairOver: AIRPORT WAY S, RR
S Albro Pl & Airport Way, King, WA
Built 1931 Load: 24.5 t ADT: 13,000
W GARFIELD ST
FairOver: BNRR
350 FT WEST OF 15TH AVE W, King, WA
Built 1930 Load: 24.5 t ADT: 20,000
ROAD
FairOver: STAFFORD CREEK
NO DATA ENTERED, Kittitas, WA
Built 1955 Load: 24.5 t ADT: 20
ROAD
FairOver: BEVERLY CREEK
NO DATA ENTERED, Kittitas, WA
Built 1956 Load: 24.5 t ADT: 30
ROAD
FairOver: SWAUK CREEK
NO DATA ENTERED, Kittitas, WA
Built 1955 Load: 24.5 t ADT: 30
RAILROAD STREET
FairOver: YAKIMA RIVER
00.26 SE I-90, Kittitas, WA
Built 1937 Load: 24.5 t ADT: 537
DENMARK ROAD
FairOver: PARKE CREEK
00.52 S TJOSSEM RD, Kittitas, WA
Built 1938 Load: 24.5 t ADT: 297
TJOSSEM ROAD
FairOver: TOWN DITCH
00.35 W CLEMAN ROAD, Kittitas, WA
Built 1944 Load: 24.5 t ADT: 336
COLOCKUM ROAD
FairOver: HILINE CANAL
00.15 N BRICK MILL, Kittitas, WA
Built 1931 Load: 24.5 t ADT: 199
REECER CREEK ROAD
FairOver: HILINE CANAL
00.39 N SMITHSON RD, Kittitas, WA
Built 1931 Load: 24.5 t ADT: 358
WILSON CREEK ROAD
FairOver: CASCADE CANAL
00.12 N J RONALD RD, Kittitas, WA
Built 1930 Load: 24.5 t ADT: 1,753
SR 141
FairOver: CAVE CREEK
18.5 N JCT SR 141 SPUR, Klickitat, WA
Built 1947 Load: 24.5 t ADT: 2,018
SR 6
FairOver: CHEHALIS RIVER
26.3 E PACIFIC CO, Lewis, WA
Built 1939 Load: 24.5 t ADT: 11,305
ELK CREEK RD.
FairOver: CHEHALIS RIVER
0.18 W 27092, Lewis, WA
Built 1963 Load: 24.5 t ADT: 325
Showing 2,701-2,750 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 |