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
ROAD
FairOver: MILL CREEK
NO DATA ENTERED, Chelan, WA
Built 1984 Load: 25.3 t ADT: 25
GALLAHER ROAD
FairOver: TOUCHET RIVER
0.4 S JCT SR 12, Columbia, WA
Built 1965 Load: 25.3 t ADT: 125
SR 21
FairOver: SAN POIL RIVER
41.1 N LINCOLN CO, Ferry, WA
Built 1932 Load: 25.3 t ADT: 409
I-5 SBCD
FairOver: TERRAIN
JCT I-90, King, WA
Built 1967 Load: 25.3 t ADT: 24,462
SE AUB-BLK DIA RD
FairOver: GREEN RIVER
0.2 MI NE OF SR-18, King, WA
Built 1970 Load: 25.3 t ADT: 8,871
SE 416TH ST
FairOver: NEWAUKUM CREEK
0.9 MI E OF SR-169, King, WA
Built 1958 Load: 25.3 t ADT: 1,874
WELLS AVENUE
FairOver: CEDAR RIVER
0.4 MI W OF I-405, King, WA
Built 1987 Load: 25.3 t ADT: 2,200
BIG BEEF CROSSING
FairOver: BIG BEEF CREEK OUTFALL
0.04 W JCT REDWING TRAIL, Kitsap, WA
Built 1964 Load: 25.3 t ADT: 1,042
PLEASANT VALLEY RD
FairOver: STEARNS CREEK
2.64 SE 24021, Lewis, WA
Built 1975 Load: 25.3 t ADT: 474
SR 11
FairOver: JOE LEARY SLOUGH
0.7 N JCT I-5, Skagit, WA
Built 1922 Load: 25.3 t ADT: 4,809
SWAN ROAD
FairOver: NOOKACHAMPS CREEK
0.37W JCT BABCOCK/MUDLAKE, Skagit, WA
Built 1976 Load: 25.3 t ADT: 1,100
HEWITT AVENUE
FairOver: BURLINGTON NORTHERN RR
0.1 MI E OF BROADWAY, Snohomish, WA
Built 1989 Load: 25.3 t ADT: 7,565
NO DATA ENTERED
FairOver: BEAVER CREEK TRIB.
.18 MILES FROM RD. #1122, Whatcom, WA
Built 2003 Load: 25.3 t ADT: 50
GENE NELSON/3390
FairOver: THORN CREEK
0.06 MI SW THORN CREEK, Whitman, WA
Built 1966 Load: 25.3 t ADT: 25
WATERMAN/0015
FairOver: CABBAGE CREEK
0.34 MI NE WILHELM, Whitman, WA
Built 1973 Load: 25.3 t ADT: 79
SHAWNEE/5250
FairOver: SOUTH FORK PALOUSE RIVER
2.53 MI NE SR 195, Whitman, WA
Built 1975 Load: 25.3 t ADT: 62
SQUIRES/3580
FairOver: CACHE CREEK
0.02 MI W CACHE CREEK, Whitman, WA
Built 1999 Load: 25.3 t ADT: 25
LIND-RALSTON RD
FairOver: INTERMITTENT STREAM
1.3 MI E THIEL RD, Adams, WA
Built 1916 Load: 25.4 t ADT: 55
HATTON RD
FairOver: WASTEWAY PE 16.4 WW
02.80 MI W SR24, Adams, WA
Built 1952 Load: 25.4 t ADT: 127
HATTON RD
FairOver: INTERMITTENT STREAM
02.86 MI E SR395, Adams, WA
Built 1915 Load: 25.4 t ADT: 25
HATTON RD
FairOver: HATTON COULEE
1.75 MI E of Lind Hatton, Adams, WA
Built 1915 Load: 25.4 t ADT: 3
US 101
FairOver: BEAR CREEK
2.2 N JCT SR 113, Clallam, WA
Built 1930 Load: 25.4 t ADT: 2,945
SR 112
FairOver: FALLS CREEK
14.9 E MAKAH RES, Clallam, WA
Built 1957 Load: 25.4 t ADT: 1,687
HOKO OZETTE ROAD
FairOver: BIG RIVER
12.75, Clallam, WA
Built 1971 Load: 25.4 t ADT: 190
WIEST RD
FairOver: WIEST CREEK
0.70 N ABERNATHY RD (3.22, Cowlitz, WA
Built 1972 Load: 25.4 t ADT: 10
SR 28
FairOver: ROCK ISLAND CR
14.4 E JCT US 2, Douglas, WA
Built 1955 Load: 25.4 t ADT: 9,567
I-182
FairOver: NP RY
1.6 E JCT US 395, Franklin, WA
Built 1968 Load: 25.4 t ADT: 26,482
M RD SW
FairOver: IRRIGATION LATERAL
M SW 0.4 S of 12 SW, Grant, WA
Built 1958 Load: 25.4 t ADT: 239
K SW S of 7 SW
FairOver: WEST CANAL
K SW .01 S of Frenchmen, Grant, WA
Built 1951 Load: 25.4 t ADT: 49
M RD SW
FairOver: WEST CANAL
M SW 1.2 North of 11 SW, Grant, WA
Built 1958 Load: 25.4 t ADT: 239
NO DATA ENTERED
FairOver: BIG CREEK
NO DATA ENTERED, Grays Harbor, WA
Built 1971 Load: 25.4 t ADT: 25
NO DATA ENTERED
FairOver: STEVENS CREEK
NO DATA ENTERED, Grays Harbor, WA
Built 1954 Load: 25.4 t ADT: 150
NO DATA ENTERED
FairOver: RAMPAGE CREEK
NO DATA ENTERED, Grays Harbor, WA
Built 1961 Load: 25.4 t ADT: 50
US 101
FairOver: DUCKABUSH SLOUGH
25.0 S JCT SR 104, Jefferson, WA
Built 1934 Load: 25.4 t ADT: 2,604
SR 202
FairOver: KIMBALL CR
4.5 E JCT SR 203, King, WA
Built 1924 Load: 25.4 t ADT: 11,250
SR 202
FairOver: S FK SNOQUALMIE R
7.7 E JCT SR 203, King, WA
Built 1936 Load: 25.4 t ADT: 11,250
US 2
FairOver: S FK SKYKOMISH RIVER
8.9 E SNOHOMISH CO, King, WA
Built 1938 Load: 25.4 t ADT: 5,198
SR 169
FairOver: CEDAR RIVER
0.8 N JCT SR 18, King, WA
Built 1950 Load: 25.4 t ADT: 21,491
US 2
FairOver: BN RR (GN) SCENIC
18.5 E SNOHOMISH CO, King, WA
Built 1990 Load: 25.4 t ADT: 4,827
300TH AVE SE
FairOver: PATTERSON CREEK
0.1 MI S OF SR-202, King, WA
Built 1951 Load: 25.4 t ADT: 10
148TH AVE SE
FairOver: SOOS CREEK
2.5 MI N OF SR-516, King, WA
Built 1971 Load: 25.4 t ADT: 4,306
SEATTLE BLVD
FairOver: SOUND TRANSIT TUNNEL
Seattle Blvd EO 4th Ave S, King, WA
Built 1910 Load: 25.4 t ADT: 22,000
12 AVE S
FairOver: DEARBORN ST
12th Ave S & Dearborn St, King, WA
Built 1917 Load: 25.4 t ADT: 22,000
EASTLAKE AVE NE
FairOver: NE PACIFIC ST
3800 Eastlake Ave, King, WA
Built 1930 Load: 25.4 t ADT: 35,000
EASTLAKE AVE NE
FairOver: NE 40TH ST, BURKE GILMAN
3800 Eastlake Ave, King, WA
Built 1930 Load: 25.4 t ADT: 37,000
196 - 200 STREET
FairOver: GREEN RIVER
0.8 MI W OF SR-18, King, WA
Built 1998 Load: 25.4 t ADT: 17,406
ROAD
FairOver: FORTUNE CREEK
NO DATA ENTERED, Kittitas, WA
Built 1958 Load: 25.4 t ADT: 50
ROAD
FairOver: CLE ELUM
17.6 MI NORTH OF CLE, Kittitas, WA
Built 1994 Load: 25.4 t ADT: 100
UMPTANUM ROAD
FairOver: WILSON CREEK
00.41 E I-90, Kittitas, WA
Built 1966 Load: 25.4 t ADT: 5,039
HWY 603
FairOver: OLEQUA CR
3.7 N JCT SR 5, Lewis, WA
Built 1945 Load: 25.4 t ADT: 2,472
Showing 2,851-2,900 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 |