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
ROSALIA/0025
FairOver: PINE CREEK
S ROSALIA CTY LIMITS, Whitman, WA
Built 1930 Load: 19.8 t ADT: 521
SR 22
FairOver: DRAIN CANAL
5.5 E JCT SR 223, Yakima, WA
Built 1956 Load: 19.8 t ADT: 1,624
YAKIMA VALLEY HWY
FairOver: S.V.I.D. CANAL
00.05 N.OF E.ZILLAH, Yakima, WA
Built 1958 Load: 19.8 t ADT: 1,385
LATERAL A RD.
FairOver: USIS CANAL
00.99 N PROGRESSIVE, Yakima, WA
Built 1939 Load: 19.8 t ADT: 3,637
COTTONWOOD CANYON
FairOver: COTTONWOOD CREEK
00.12 N OF STEIN RD, Yakima, WA
Built 1974 Load: 19.8 t ADT: 1,512
LAT C RD.
FairOver: USIS CANAL
00.04 S BRANCH ROAD, Yakima, WA
Built 1963 Load: 19.8 t ADT: 644
FARM ACCESS
FairOver: WEST CANAL, LATERAL W26C
WEST CANAL LATERAL W26C,, Grant, WA
Built 1994 Load: 19.9 t ADT: 20
STEHEKIN VALLEY RO
FairOver: STEHEKIN RIVER
11.3 Miles NW of Stehekin, Chelan, WA
Built 1974 Load: 20.0 t ADT: 20
US 101
FairOver: SOL DUC RIVER
10.0 N JCT SR 110, Clallam, WA
Built 1941 Load: 20.0 t ADT: 3,352
EAST ANDERSON RD.
FairOver: DUNGENESS RIVER
04.5 N JCT SR101, Clallam, WA
Built 1964 Load: 20.0 t ADT: 958
W KALAMA RIVER RD
FairOver: BNRR
0.13 E I-5 EXIT 32, Cowlitz, WA
Built 1976 Load: 20.0 t ADT: 1,250
McMANN CREEK ROAD
FairOver: SAN POIL RIVER
.17 E SR20, Ferry, WA
Built 1953 Load: 20.0 t ADT: 9
15TH STREET
FairOver: PATAHA CR
0.1 E JCT US 12, Garfield, WA
Built 1925 Load: 20.0 t ADT: 680
J RD NW
FairOver: WEST CANAL
0.3N SR 28, Grant, WA
Built 1949 Load: 20.0 t ADT: 155
US 101
FairOver: WEST FORK HOQUIAM RIVER
10.0 N JCT SR 109, Grays Harbor, WA
Built 1934 Load: 20.0 t ADT: 2,126
FERRY TRAFFIC
FairOver: PUGET SOUND @ SEATTLE
W END MARION ST, King, WA
Built 1964 Load: 20.0 t ADT: 12,000
83RD AVE S
FairOver: GREEN RIVER
0.7 MI E OF SR-167, King, WA
Built 1990 Load: 20.0 t ADT: 18,758
E MARINA WAY
FairOver: COLUMBIA RIVER
HOOD RIVER, Klickitat, WA
Built 1924 Load: 20.0 t ADT: 14,900
TEITZEL ROAD
FairOver: S HANAFORD CREEK
4.0 E CENTRALIA, Lewis, WA
Built 1966 Load: 20.0 t ADT: 110
PE ELL MCDONALD RD
FairOver: STILLMAN CREEK
0.7 W JCT 92004, Lewis, WA
Built 1959 Load: 20.0 t ADT: 235
WILDWOOD ROAD
FairOver: SO. FORK CHEHALIS RIVER
11.0 S CURTIS, Lewis, WA
Built 1955 Load: 20.0 t ADT: 191
STEVENS CANYON ROA
FairOver: RAVINE
12.5 MILES WEST OF JCT. U, Lewis, WA
Built 1952 Load: 20.0 t ADT: 1,500
SR 25
FairOver: SPOKANE RIVER
23.4 N JCT US 2, Lincoln, WA
Built 1941 Load: 20.0 t ADT: 882
ROAD
FairOver: HUCKLEBERRY CREEK
0.4 MI W OF 73/7320 JCT, Pierce, WA
Built 1952 Load: 20.0 t ADT: 20
ROAD
FairOver: SILVER CREEK
0.3MI E OF HY 410/7175JCT, Pierce, WA
Built 1955 Load: 20.0 t ADT: 10
ROAD
FairOver: WHITE RIVER
.1MI W OF HY 410/7160 JCT, Pierce, WA
Built 1955 Load: 20.0 t ADT: 167
ALDER CUTOFF RD E
FairOver: MASHEL RIVER
0.8 E JCT SR 161, Pierce, WA
Built 1937 Load: 20.0 t ADT: 2,900
NISQUALLY ENTRANCE
FairOver: KAUTZ CREEK
3.4 MILES EAST OF NISQUAL, Pierce, WA
Built 1967 Load: 20.0 t ADT: 1,576
SUNRISE ROAD
FairOver: KLICKITAT CREEK
0.9 MILES SOUTHWEST OF JC, Pierce, WA
Built 1930 Load: 20.0 t ADT: 1,786
THORNTON LAKES ROA
FairOver: THORNTON CREEK
Turn left from Route 20 a, Skagit, WA
Built 1952 Load: 20.0 t ADT: 50
ROAD
FairOver: N FK SKYKOMISH RIVER
0.1 MI N OF 63/6335 JCT, Snohomish, WA
Built 1963 Load: 20.0 t ADT: 10
MOUNTAIN LOOP HWY.
FairOver: BOARDMAN CREEK
16.9 E JCT SR 92, Snohomish, WA
Built 1952 Load: 20.0 t ADT: 1,666
OAKES AVENUE
FairOver: BURLINGTON NORTHERN RR
0.1MI N. OF HEWITT, Snohomish, WA
Built 1989 Load: 20.0 t ADT: 1,312
SR 278
FairOver: ROCK CREEK
1.2 E JCT SR 27, Spokane, WA
Built 1957 Load: 20.0 t ADT: 3,195
US 395
FairOver: COLVILLE RIVER
0.9 N JCT SR 231, Stevens, WA
Built 1921 Load: 20.0 t ADT: 8,380
YELM HWY S.E.
FairOver: RAILROAD
Lacey Cily Limit, Thurston, WA
Built 1951 Load: 20.0 t ADT: 12,500
CAPITOL BOULEVARD
FairOver: DESCHUTES R. & OWRR&N R.
00.23 N. E STREET, Thurston, WA
Built 1936 Load: 20.0 t ADT: 14,881
2ND AVE
FairOver: MILL CREEK
2ND AND MILL CR, Walla Walla, WA
Built 1915 Load: 20.0 t ADT: 10,563
TELEGRAPH RD N
FairOver: SUMAS RIVER
00.5 N.E.MORGAN RD., Whatcom, WA
Built 1943 Load: 20.0 t ADT: 1,272
WILCOX/8130
FairOver: UNION FLAT CREEK
0.06 MI SW SOMMERS, Whitman, WA
Built 1973 Load: 20.0 t ADT: 237
LONE PINE/0200
FairOver: UNNAMED DRAINAGE
2.38 MI NE FAIRBANKS, Whitman, WA
Built 1912 Load: 20.0 t ADT: 51
SCHOESSLER RD
FairOver: DRY WASH
00.5 MI W BAUER RD, Adams, WA
Built 1900 Load: 20.1 t ADT: 8
BAUER RD
FairOver: DRY WASH
0.18 MI N LIND-RALSTON, Adams, WA
Built 1938 Load: 20.1 t ADT: 14
LOWER WHETSTONE RD
FairOver: WHETSTONE CREEK
3.2 W JCT 9209, Columbia, WA
Built 1970 Load: 20.1 t ADT: 75
MANSFIELD NORTH RD
FairOver: FOSTER CREEK DRAINAGE
2.0 SE JCT BDGPRT HILL RD, Douglas, WA
Built 1959 Load: 20.1 t ADT: 63
RUFF-MARLIN ROAD
FairOver: ROCKY COULEE
W NE .1 N of 6, Grant, WA
Built 1974 Load: 20.1 t ADT: 464
NO DATA ENTERED
FairOver: WINEGLASS STREAM
NO DATA ENTERED, Grays Harbor, WA
Built 1980 Load: 20.1 t ADT: 50
WOODINVILLE-DUVALL
FairOver: SNOQUALMIE RIVER
0.1 MI W OF SR-203, King, WA
Built 1951 Load: 20.1 t ADT: 10,564
I-82
FairOver: MILITARY RD
8.4 E JCT SR 821, Kittitas, WA
Built 1971 Load: 20.1 t ADT: 9,633
OLD MOUNTAIN ROAD
FairOver: BADGER GULCH
1.2 N JCT CR 34000, Klickitat, WA
Built 1977 Load: 20.1 t ADT: 244
Showing 2,101-2,150 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 |