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
BETHEL RD
UnknownOver: SR 16
5.6 N PIERCE CO, Kitsap, WA
Built 1977 ADT: 53,873
SR160
UnknownOver: SR 16
7.0 N PIERCE CO, Kitsap, WA
Built 1977 ADT: 41,037
MOUNTAIN VIEW RD
UnknownOver: SR 3
2.1 N JCT SR 303, Kitsap, WA
Built 1980 ADT: 38,016
SR 3
UnknownOver: SR 308 (LUOTO RD)
JCT SR 3, Kitsap, WA
Built 1981 ADT: 6,532
SR 3
UnknownOver: SR 308 (LUOTO RD)
JCT SR 3, Kitsap, WA
Built 1981 ADT: 6,532
N-W RAMP TO LUOTO
UnknownOver: SR 3
2.6 N JCT SR 303, Kitsap, WA
Built 1981 ADT: 38,016
SHERMAN HILL RD
UnknownOver: SR 3
1.7 N JCT SR 308, Kitsap, WA
Built 1981 ADT: 42,531
TRIGGER AVE
UnknownOver: SR 3
1.0 N JCT SR 303, Kitsap, WA
Built 1979 ADT: 47,086
SR 303 (WAAGA WAY)
UnknownOver: SR 3
11.1 N JCT SR 304, Kitsap, WA
Built 1981 ADT: 28,113
CLEAR CREEK RD NW
UnknownOver: SR 3 ACCESS - LUOTO ROAD
0.3 W SR 3, Kitsap, WA
Built 1981 ADT: 6,532
SR 3
UnknownOver: SR 310/KITSAP WAY
JCT SR 3, Kitsap, WA
Built 1983 ADT: 22,840
SR 16 NB
UnknownOver: TREMONT ST
8.3 N PIERCE CO, Kitsap, WA
Built 1988 ADT: 13,671
SR 16 SB
UnknownOver: TREMONT ST
8.3 N PIERCE CO, Kitsap, WA
Built 1988 ADT: 13,671
NB SR 16 SPUR
UnknownOver: SB SR 16
JCT SR 3, Kitsap, WA
Built 1988 ADT: 37,319
SR 3 NB
UnknownOver: SR 16
JCT SR 3, Kitsap, WA
Built 1988 ADT: 34,022
PEDESTRIANS
UnknownOver: SR 305, EAGLE HARBOR
BAINBRIDGE ISLAND, Kitsap, WA
Built 1972 ADT: 9,000
SR 304 W-S RAMP
UnknownOver: SR 3
2.1 N JCT SR 16, Kitsap, WA
Built 1991 ADT: 51,226
SR 3
UnknownOver: SR 305
JCT SR 3, Kitsap, WA
Built 1993 ADT: 25,379
SR 3
UnknownOver: SR 305
JCT SR 3, Kitsap, WA
Built 1993 ADT: 25,379
FINN HILL ROAD
UnknownOver: SR 3
3.8 N JCT SR 308, Kitsap, WA
Built 1994 ADT: 31,909
SB SR 16
UnknownOver: BURLEY-OLLALA RD
2.0 N PIERCE CO, Kitsap, WA
Built 2009 ADT: 3,802
CENTRAL VALLEY RD.
UnknownOver: SR 303
6.7 N JCT SR 304, Kitsap, WA
Built 1982 ADT: 35,329
SR 303
UnknownOver: RIDGETOP BLVD NW
7.8 N JCT SR 304, Kitsap, WA
Built 1982 ADT: 17,109
SR 303
UnknownOver: RIDGETOP BLVD NW
7.8 N JCT SR 304, Kitsap, WA
Built 1982 ADT: 17,109
SR 304 BUS TRANSIT
UnknownOver: SR 304, WSF QUEUE LANES
0.8 E JCT SR 303, Kitsap, WA
Built 2000 ADT: 1,810
TERMINAL BUILDING
UnknownOver: SR 304
0.8 E JCT SR 303, Kitsap, WA
Built 2000 ADT: 1,430
ABANDONED RAILROAD
UnknownOver: I-90
10.1 E JCT I-82, Kittitas, WA
Built 1915 ADT: 16,919
JOHN WAYNE TRAIL
UnknownOver: STATE ROUTE 10
15.7 E JCT SR 970, Kittitas, WA
Built 1929 ADT: 1,639
STAMPEDE RD
UnknownOver: I-90
8.3 E JCT SR 906, Kittitas, WA
Built 1958 ADT: 34,391
CABIN CR RD
UnknownOver: I-90
9.3 E JCT SR 906, Kittitas, WA
Built 1958 ADT: 32,578
EASTON ROAD
UnknownOver: I-90
16.8 E JCT SR 906, Kittitas, WA
Built 1959 ADT: 31,640
BULLFROG RD
UnknownOver: I-90
25.6 E JCT SR 906, Kittitas, WA
Built 1963 ADT: 33,906
THORP PRAIRIE RD
UnknownOver: I-90
3.9 E JCT SR 970, Kittitas, WA
Built 1965 ADT: 28,223
OAKES AVE
UnknownOver: I-90
26.5 E JCT SR 906, Kittitas, WA
Built 1965 ADT: 27,974
ELK HEIGHTS
UnknownOver: I-90
7.8 E JCT SR 970, Kittitas, WA
Built 1965 ADT: 28,223
TANEUM CREEK RD
UnknownOver: I-90, TANEUM CR CULVERT
11.0 E JCT SR 970, Kittitas, WA
Built 1965 ADT: 28,687
E-N RAMP
UnknownOver: I-90
28.4 E JCT SR 906, Kittitas, WA
Built 1965 ADT: 27,974
SR 970
UnknownOver: I-90 E CLE ELUM
31.1 E JCT SR 906, Kittitas, WA
Built 1966 ADT: 26,438
THORP HWY
UnknownOver: I-90
15.2 E JCT SR 970, Kittitas, WA
Built 1966 ADT: 28,687
US 97
UnknownOver: I-90, WEST ELLENSBURG
20.2 E JCT SR 970, Kittitas, WA
Built 1966 ADT: 30,634
HUNTZINGER RD
UnknownOver: I-90
25.6 E JCT I-82, Kittitas, WA
Built 1967 ADT: 16,919
I-82
UnknownOver: I-90
4.8 E JCT US 97, Kittitas, WA
Built 1968 ADT: 14,938
I-82
UnknownOver: E-E RAMP, I-90
4.8 E JCT US 97, Kittitas, WA
Built 1968 ADT: 14,938
I-82 EB
UnknownOver: E-E RAMP
0.1 E JCT I-90, Kittitas, WA
Built 1968 ADT: 7,853
COUNTY RD NO 6
UnknownOver: I-90
0.6 E JCT I-82, Kittitas, WA
Built 1968 ADT: 14,938
S MAIN ST
UnknownOver: I-90
4.6 E JCT I-82, Kittitas, WA
Built 1968 ADT: 17,603
PRATER RD
UnknownOver: I-90
7.0 E JCT I-82, Kittitas, WA
Built 1968 ADT: 16,919
I-90
UnknownOver: SR 906
2.7 E KING CO, Kittitas, WA
Built 1969 ADT: 607
TJOSSEM RD
UnknownOver: I-82
0.9 E JCT I-90, Kittitas, WA
Built 1970 ADT: 18,975
I-82
UnknownOver: SR 821, WHIPPLE WASTEWAY
20.4 N YAKIMA CO, Kittitas, WA
Built 1970 ADT: 1,151
Showing 701-750 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 |