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
WILDWOOD ROAD
FairOver: STILLWATER CREEK
0.04 NW JCT SR 506, Lewis, WA
Built 1962 Load: 14.9 t ADT: 239
LYMAN HAMILTON HWY
FairOver: JONES CREEK
0.28 E JCT PIPELINE ROAD, Skagit, WA
Built 1955 Load: 14.9 t ADT: 253
164th Street SE
FairOver: North Creek
0.2 W JCT SR 527, Snohomish, WA
Built 1967 Load: 14.9 t ADT: 36,800
MANTZ - RICKEY RD
FairOver: COLVILLE RIVER
00.36 W JCT SR 395, Stevens, WA
Built 1967 Load: 14.9 t ADT: 350
TWELVE MILE RD
FairOver: COLVILLE RIVER
00.35 W JCT SR 395, Stevens, WA
Built 1929 Load: 14.9 t ADT: 257
BISCUIT RIDGE RD
FairOver: DRY CREEK
04.68 S SR 12, Walla Walla, WA
Built 1977 Load: 14.9 t ADT: 45
BISCUIT RIDGE RD
FairOver: DRY CREEK
05.23 S SR 12, Walla Walla, WA
Built 1977 Load: 14.9 t ADT: 45
ALM RD
FairOver: SUMAS RIVER
0.4 W GLLES, Whatcom, WA
Built 1947 Load: 14.9 t ADT: 291
YOST RD.
FairOver: MARION DRAIN
00 01 N MARION DRN, Yakima, WA
Built 1980 Load: 14.9 t ADT: 83
LATERAL A RD.
FairOver: USIS CANAL
00.51 N MCDONALD RD, Yakima, WA
Built 1939 Load: 14.9 t ADT: 1,805
38TH AVENUE
FairOver: CID CANAL
JCT 38TH & BROADVIEW, Benton, WA
Built 1970 Load: 15.2 t ADT: 1,485
FRUIT VALLEY ROAD
FairOver: BN RR MAIN LINE
2.16 N SR 501@BNRR, Clark, WA
Built 1948 Load: 15.2 t ADT: 8,491
DALLAS STREET
FairOver: CROWN Z MILL WATER DITCH
0.1 MI N OF 7TH AVE, Clark, WA
Built 1919 Load: 15.2 t ADT: 4,231
TUCANNON ROAD
FairOver: TUCANNON RIVER
4.35 SE JCT SR126, Columbia, WA
Built 1965 Load: 15.2 t ADT: 200
ABERNATHY CREEK RD
FairOver: ABERNATHY CREEK
5.62 N OF SR 4 (MP 48.32), Cowlitz, WA
Built 1976 Load: 15.2 t ADT: 200
UPPER HOH ROAD
FairOver: WILLOUGHBY CREEK
3.5EJCTSR101, Jefferson, WA
Built 1962 Load: 15.2 t ADT: 950
US 2
FairOver: S FORK SKYKOMISH RIVER
10.3 E SNOHOMISH CO, King, WA
Built 1940 Load: 15.2 t ADT: 4,993
I-5
FairOver: NORFOLK ST SEWER
1.0 N JCT SR 900, King, WA
Built 1966 Load: 15.2 t ADT: 101,485
WB I-90
FairOver: LAKE WASHINGTON
2.3 E JCT I-5, King, WA
Built 1989 Load: 15.2 t ADT: 63,053
15th Ave NE
FairOver: COWEN PARK, RAVINE
15th Ave NE & NE 62nd St, King, WA
Built 1936 Load: 15.2 t ADT: 12,100
212TH WAY SE
FairOver: GREEN RIVER
0.1 MI S OF GREEN VAL RD, King, WA
Built 1991 Load: 15.2 t ADT: 3,862
EAST TANEUM ROAD
FairOver: TANEUM CREEK
00.43 E I-90, Kittitas, WA
Built 1957 Load: 15.2 t ADT: 134
THORP PRAIRIE ROAD
FairOver: HILINE CANAL
01.82 NW TANEUM RD, Kittitas, WA
Built 1995 Load: 15.2 t ADT: 275
TAC SPUR-SCHUST SB
FairOver: SCHUSTER PKWY SB
1.0 N JCT SR 509, Pierce, WA
Built 1974 Load: 15.2 t ADT: 8,125
I-5 NB
FairOver: RAILROAD
3.8 N JCT SR 527, Snohomish, WA
Built 1967 Load: 15.2 t ADT: 88,747
MOUNTAIN LOOP HWY.
FairOver: S.F. STILLAGUAMISH RIVER
18.2 E JCT SR 92, Snohomish, WA
Built 1954 Load: 15.2 t ADT: 824
BISCUIT RIDGE RD
FairOver: DRY CREEK
04.14 S SR 12, Walla Walla, WA
Built 1977 Load: 15.2 t ADT: 45
WARNER/1100
FairOver: PINE CREEK
1.61 MI NE SR 27, Whitman, WA
Built 1961 Load: 15.2 t ADT: 448
CLEMAN DRIVE
FairOver: WAPATOX CANAL
00.45 E OF SIMMONS, Yakima, WA
Built 1971 Load: 15.2 t ADT: 131
72ND AVE.,S.
FairOver: WIDE HOLLOW CREEK
00.40 S NOB HILL BV, Yakima, WA
Built 1993 Load: 15.2 t ADT: 7,600
PAHA-PACKARD RD.
FairOver: DRY WASH
00.52 MI N ROSENOFF RD, Adams, WA
Built 1915 Load: 15.4 t ADT: 112
DANEKAS RD
FairOver: COW CREEK
05.35 MI NE DURRY, Adams, WA
Built 1900 Load: 15.4 t ADT: 81
TURNER ROAD
FairOver: WHETSTONE CREEK
1.0 E JCT SR 12, Columbia, WA
Built 1951 Load: 15.4 t ADT: 210
FOURTH ST NE
FairOver: G.W.R.D. IRRIGATION CANA
0.29 miles N. Grant Rd., Douglas, WA
Built 1945 Load: 15.4 t ADT: 543
Q RD NE
FairOver: DRY CREEK
Q NE 2.16 S 36 NE, Grant, WA
Built 1914 Load: 15.4 t ADT: 35
42 RD NE
FairOver: DRY CREEK
42 NE .8 West of U NE, Grant, WA
Built 1914 Load: 15.4 t ADT: 29
OVERLAKE DR
FairOver: DEPRESSION
0.6 E JCT 84TH AVE, King, WA
Built 1951 Load: 15.4 t ADT: 1,050
FAIRVIEW ROAD
FairOver: HILINE CANAL
01.18 N RADER RD, Kittitas, WA
Built 1931 Load: 15.4 t ADT: 249
LIBERTY ROAD
FairOver: SWAUK CREEK
00.02 East of Hwy. 97, Kittitas, WA
Built 1955 Load: 15.4 t ADT: 291
SCHNEBLY ROAD
FairOver: HILINE CANAL
00.02 N RADER RD, Kittitas, WA
Built 1955 Load: 15.4 t ADT: 120
ROBBINS RD
FairOver: HILINE CANAL
00.34 N SMITHSON RD, Kittitas, WA
Built 1955 Load: 15.4 t ADT: 218
SMITHSON RD
FairOver: HILINE CANAL
00.85 NE ROBBINS RD, Kittitas, WA
Built 1931 Load: 15.4 t ADT: 24
THIRD STREET
FairOver: COTTONWOOD CREEK
0.1 S JCT US 2, Lincoln, WA
Built 1965 Load: 15.4 t ADT: 200
FALLS CREEK ROAD
FairOver: WILLAPA RIVER
0.25 SW JCT SR 6, Pacific, WA
Built 1949 Load: 15.4 t ADT: 87
KOLISCH RD E
FairOver: CARBON RIVER
00.6 E FAIRFAX RD, Pierce, WA
Built 1937 Load: 15.4 t ADT: 100
MT CONSTITUTION RD
FairOver: PAUL CREEK
0.75M EAST OF OLGA ROAD, San Juan, WA
Built 1929 Load: 15.4 t ADT: 30
311 TH AVE SE
FairOver: SHINGLEBOLT SLOUGH
0.2 S JCT. SR 2, Snohomish, WA
Built 1962 Load: 15.4 t ADT: 1,793
NELSON RD
FairOver: BLACK SLOUGH
00.5 E VALLEY HWY, Whatcom, WA
Built 1934 Load: 15.4 t ADT: 80
EWARTSVILLE/8420
FairOver: UNION FLAT CREEK
0.51 MI S SR 194, Whitman, WA
Built 1966 Load: 15.4 t ADT: 54
BLACKWELL/4470
FairOver: BRANCH DRY CREEK
3.33 MI NE GREEN HOLLOW, Whitman, WA
Built 1964 Load: 15.4 t ADT: 120
Showing 1,601-1,650 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 |