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
COUNTY ROAD 2040
PoorOver: COUSE CREEK
3.12 MI SW JCT RD 2090, Asotin, WA
Built 1957 Load: 33.0 t ADT: 1
I-90
PoorOver: WILSON CREEK
3.1 E JCT US 97, Kittitas, WA
Built 1967 Load: 33.0 t ADT: 15,014
SR 12
PoorOver: SATSOP RIVER
5.2 E JCT SR 107, Grays Harbor, WA
Built 1965 Load: 33.6 t ADT: 11,538
I-90
PoorOver: BANDERA RD
14.9 E JCT SR 202, King, WA
Built 1972 Load: 33.6 t ADT: 18,144
I-82
PoorOver: BURBANK CREEK
15.9 E JCT SR 821, Kittitas, WA
Built 1970 Load: 33.6 t ADT: 9,724
I-90
PoorOver: YAKIMA RIVER
16.5 E JCT SR 906, Kittitas, WA
Built 1959 Load: 33.7 t ADT: 15,981
HOKO OZETTE ROAD
PoorOver: TROUT CREEK
17.24 S JCT SR112, Clallam, WA
Built 1957 Load: 34.0 t ADT: 110
I-90
PoorOver: TANEUM CR
11.4 E JCT SR 970, Kittitas, WA
Built 1965 Load: 34.5 t ADT: 14,344
US 2
PoorOver: NO NAME CREEK
18.4 E JCT SR 203, Snohomish, WA
Built 1933 Load: 34.5 t ADT: 6,381
SR 203
PoorOver: SKYKOMISH RIVER
5.2 N KING CO, Snohomish, WA
Built 1957 Load: 34.5 t ADT: 14,784
TUALCO LOOP RD
PoorOver: RILEY SLOUGH
1.0 NW JCT SR 203, Snohomish, WA
Built 1970 Load: 34.5 t ADT: 200
US 195
PoorOver: NP RY
14.5 N WHITMAN CO, Spokane, WA
Built 1967 Load: 34.5 t ADT: 3,418
PLUM-N RAMP
PoorOver: EASTSIDE ST SE
1.2 N JCT US 101, Thurston, WA
Built 1957 Load: 34.5 t ADT: 6,801
SR 28
PoorOver: DOUGLAS CREEK
19.9 E JCT US 2, Douglas, WA
Built 1957 Load: 35.4 t ADT: 9,382
OCEAN BEACH ROAD
PoorOver: COPALIS RIVER
06.0 SE JCT SR 109, Grays Harbor, WA
Built 1972 Load: 35.4 t ADT: 1,726
NO DATA ENTERED
PoorOver: DUCKABUSH RIVER
NO DATA ENTERED, Jefferson, WA
Built 1960 Load: 35.4 t ADT: 25
I-90
PoorOver: DOERSCHLAG RD
3.6 E ADAMS CO, Lincoln, WA
Built 1968 Load: 35.4 t ADT: 10,407
US 101
PoorOver: S FK WILLAPA RIVER
29.4 N JCT SR 4, Pacific, WA
Built 1966 Load: 35.4 t ADT: 10,471
US 101
PoorOver: HOQUIAM RIVER
3.3 N JCT US 12, Grays Harbor, WA
Built 1970 Load: 36.3 t ADT: 12,923
EASTLAKE AVE NE
PoorOver: PORTAGE BAY PL E
3200 Eastlake Ave, King, WA
Built 1930 Load: 36.3 t ADT: 36,000
DEEP CREEK
PoorOver: DEEP CREEK
HWY 410 TO 1800 TO 1808, Yakima, WA
Built 2011 Load: 36.3 t ADT: 15
COUNTY ROAD 9140
PoorOver: LOST RIVER
.SWNWS5T36NR19E, Okanogan, WA
Built 1950 Load: 36.6 t ADT: 95
IRR BIA RTE 1
PoorOver: WA-ATCH RIVER
4 KM S.W. OF NEAH BAY, Clallam, WA
Built 1961 Load: 37.2 t ADT: 300
NORTH RIVER ROAD
PoorOver: NORTH RIVER
1.7 E JCT SR 101, Grays Harbor, WA
Built 1975 Load: 37.2 t ADT: 378
I-90
PoorOver: YAKIMA RIVER
16.5 E JCT SR 906, Kittitas, WA
Built 1959 Load: 37.2 t ADT: 15,981
SR 20
PoorOver: TACOMA CR
24.9 E JCT SR 31, Pend Oreille, WA
Built 1946 Load: 37.2 t ADT: 1,157
Orin - Rice Road
PoorOver: COLVILLE RIVER
00.08 W JCT SR 395, Stevens, WA
Built 1959 Load: 37.3 t ADT: 1,045
I-90
PoorOver: WAHL RD
3.2 E JCT SR 21, Adams, WA
Built 1972 Load: 38.1 t ADT: 5,814
US 12
PoorOver: TUCANNON RIVER
21.0 E WALLA WAL CO, Columbia, WA
Built 1967 Load: 38.1 t ADT: 1,874
I-5
PoorOver: LOG DUMP RD & BN RY
1.6 N JCT SR 503, Cowlitz, WA
Built 1972 Load: 38.1 t ADT: 33,715
SR 401
PoorOver: NASELLE RIVER OVERFLOW
11.6 N JCT US 101, Pacific, WA
Built 1964 Load: 38.1 t ADT: 2,897
I-90
PoorOver: MEDICAL LAKE RD
5.6 E JCT SR 902, Spokane, WA
Built 1966 Load: 38.1 t ADT: 11,131
SR 31
PoorOver: SULLIVAN CREEK
14.8 N JCT SR 20, Pend Oreille, WA
Built 1927 Load: 38.2 t ADT: 913
ROAD
PoorOver: LOG CREEK
NO DATA ENTERED, Kittitas, WA
Built 1962 Load: 39.0 t ADT: 50
ALMOTA DOCKS RD
PoorOver: ALMOTA CREEK
PORT OF ALMOTA, Whitman, WA
Built 1970 Load: 39.0 t ADT: 266
US 2
PoorOver: DOUGLAS CR
14.1 E JCT US 97, Douglas, WA
Built 1974 Load: 39.9 t ADT: 822
SR 167
PoorOver: CMSTPP RR
0.8 N JCT SR 516, King, WA
Built 1967 Load: 39.9 t ADT: 59,986
STOSSEL CK RD
PoorOver: CHERRY CREEK
6.2 MI NE OF KELLY RD, King, WA
Built 1947 Load: 39.9 t ADT: 1,010
BEAR CK / DEWATTO
PoorOver: TAHUYA RIVER
5.3 MILES WEST OBH, Mason, WA
Built 1995 Load: 39.9 t ADT: 1,050
ROAD
PoorOver: THOMPSON CREEK
MP 1.1 RD# 39, Whatcom, WA
Built 1966 Load: 40.0 t ADT: 64
US 395
PoorOver: CANAL AND ACCESS ROAD
21.6 N JCT I-182/SR 397, Franklin, WA
Built 1979 Load: 40.8 t ADT: 8,919
I-90
PoorOver: WEST CANAL
12.3 E JCT SR 26, Grant, WA
Built 1964 Load: 41.7 t ADT: 5,419
SR 14
PoorOver: ALDER CREEK
47.6 E JCT US 97, Klickitat, WA
Built 1965 Load: 41.7 t ADT: 1,083
I-90
PoorOver: LOWER PEOH PT RD & TRAIL
0.8 E JCT SR 970, Kittitas, WA
Built 1965 Load: 43.5 t ADT: 14,112
I-90
PoorOver: LOWER PEOH PT RD & TRAIL
0.8 E JCT SR 970, Kittitas, WA
Built 1965 Load: 43.5 t ADT: 14,112
STARR ROAD
PoorOver: SOUTH FORK ROCK CREEK
06.0E FAIRFIELD, Spokane, WA
Built 1959 Load: 43.5 t ADT: 16
HOMESTEAD VLLY RD
PoorOver: S FK SNOQUALMIE RIVER
0.1 S JCT I-90, King, WA
Built 1974 Load: 45.4 t ADT: 200
BEAR CRK
PoorOver: LITTLE PEND OREILLE RIVE
3.94 SE KITT- NARCISSE, Stevens, WA
Built 1970 Load: 46.0 t ADT: 21
IRR BIA RTE 1123
PoorOver: SITDOWN CREEK
25 KM NW OF SUB-AGENCY, Ferry, WA
Built 1993 Load: 46.2 t ADT: 50
ROAD
PoorOver: CABIN CREEK
NO DATA ENTERED, Kittitas, WA
Built 1961 Load: 49.9 t ADT: 50
Showing 8,601-8,650 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 |