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
PINE ST
FairOver: CHINA CREEK
.1 N JCT. FAS1027, Lewis, WA
Built 1941 Load: 23.6 t ADT: 154
IRON ST
FairOver: CHINA CREEK
.1 N JCT FAS 1027, Lewis, WA
Built 1941 Load: 23.6 t ADT: 318
US 101
FairOver: SKOKOMISH RIVER
1.8 S JCT SR 106, Mason, WA
Built 1932 Load: 23.6 t ADT: 7,382
SR 108
FairOver: SKOOKUM CREEK
2.5 E GRAYS HBR CO, Mason, WA
Built 1952 Load: 23.6 t ADT: 3,494
Agate Loop Rd
FairOver: CAMPBELL CREEK
0.48 N JCT CRESTVIEW DR, Mason, WA
Built 1950 Load: 23.6 t ADT: 257
CHEWACK RD
FairOver: LAKE CREEK
NO DATA ENTERED, Okanogan, WA
Built 1956 Load: 23.6 t ADT: 24
US 101
FairOver: SOUTH NEMAH RIVER
1.7 N JCT SR 4, Pacific, WA
Built 1951 Load: 23.6 t ADT: 2,728
SMITH CREEK RD
FairOver: SMITH CREEK
0.29 E JCT SR 101, Pacific, WA
Built 1994 Load: 23.6 t ADT: 112
SR 20
FairOver: DAVIS CREEK
2.3 E JCT SR 211, Pend Oreille, WA
Built 1936 Load: 23.6 t ADT: 1,528
SR 31
FairOver: PEND OREILLE RIVER
14.1 N JCT SR 20, Pend Oreille, WA
Built 1950 Load: 23.6 t ADT: 1,240
NO DATA ENTERED
FairOver: HARVEY CREEK
NO DATA ENTERED, Pend Oreille, WA
Built 1949 Load: 23.6 t ADT: 20
SR 509
FairOver: DRY GULCH
9.7 N JCT I-705, Pierce, WA
Built 1957 Load: 23.6 t ADT: 2,666
SR 530
FairOver: SAUK RIVER
3.5 N SNOHOMISH CO, Skagit, WA
Built 1958 Load: 23.6 t ADT: 1,439
RD. NO. 25
FairOver: SUIATTLE RIVER
M.P. 0.1 RD. NO. 25, Skagit, WA
Built 1959 Load: 23.6 t ADT: 24
BAY VIEW-EDISON RD
FairOver: SAMISH RIVER
0.5 W JCT SR 537, Skagit, WA
Built 1965 Load: 23.6 t ADT: 1,026
CASCADE RIVER RD
FairOver: N FORK CASCADE R
16.02 E JCT SR 20, Skagit, WA
Built 1986 Load: 23.6 t ADT: 84
CASCADE RIVER ROAD
FairOver: NORTH FORK CASCADE RIVER
20.6 Miles East of Marble, Skagit, WA
Built 1979 Load: 23.6 t ADT: 50
NO DATA ENTERED
FairOver: CANYON CREEK
2 MILES EAST OF FOREST BO, Skamania, WA
Built 1951 Load: 23.6 t ADT: 207
SR 9
FairOver: SNOHOMISH RIVER
2.2 N JCT SR 96, Snohomish, WA
Built 1959 Load: 23.6 t ADT: 28,331
US 2
FairOver: EBEY SLOUGH
1.9 E JCT I-5, Snohomish, WA
Built 1967 Load: 23.6 t ADT: 393
INDEX-GALENA RD
FairOver: LEWIS CREEK
2.6 NE JCT SR 2, Snohomish, WA
Built 1968 Load: 23.6 t ADT: 186
92 ND ST SE
FairOver: OVERFLOW CHANNEL
0.38W INT SR-2, Snohomish, WA
Built 1948 Load: 23.6 t ADT: 13,497
KITT ROAD
FairOver: LITTLE PEND OREILLE RVR
SEC 6 T34N R41E, Stevens, WA
Built 1971 Load: 23.6 t ADT: 25
SR 25
FairOver: QUARRY RD (ABANDONED)
29.4 N JCT US 395, Stevens, WA
Built 1935 Load: 23.6 t ADT: 777
SR 4
FairOver: SKAMOKAWA CREEK
24.2 E JCT SR 401, Wahkiakum, WA
Built 1939 Load: 23.6 t ADT: 1,535
ROAD
FairOver: N. FORK NOOKSACK RIVER
NO DATA ENTERED, Whatcom, WA
Built 1957 Load: 23.6 t ADT: 84
KELLOGG STREET
FairOver: KID CANAL
.10 N W20TH AVE, Benton, WA
Built 1977 Load: 23.7 t ADT: 7,054
DIVISION STREET
FairOver: CROWN Z MILL WATER CANAL
0.15 N JCT NW 6AVE, Clark, WA
Built 1960 Load: 23.7 t ADT: 2,518
PALISADES RD
FairOver: DOUGLAS CREEK
12.21N22E, Douglas, WA
Built 1957 Load: 23.7 t ADT: 358
PALISADES RD
FairOver: DOUGLAS CREEK
14.21N22E, Douglas, WA
Built 1957 Load: 23.7 t ADT: 358
J NE/Stratford Rd
FairOver: EAST LOW CANAL
Stratford Rd .4 N of 16, Grant, WA
Built 1990 Load: 23.7 t ADT: 1,201
OCEAN CITY(2ND AV)
FairOver: CONNOR CREEK
0.1 W JCT SR 109, Grays Harbor, WA
Built 1975 Load: 23.7 t ADT: 1,007
S-W RAMP
FairOver: SOUTHCENTER BLVD
5.2 N JCT SR 516, King, WA
Built 1965 Load: 23.7 t ADT: 14,215
SE 24TH ST
FairOver: WETLAND
0.6 MI E OF 228TH AVE SE, King, WA
Built 1968 Load: 23.7 t ADT: 6,000
FREMONT AVE N
FairOver: SHIP CANAL
3000 FREMONT AVE N, King, WA
Built 1917 Load: 23.7 t ADT: 29,300
STRANDER BLVD
FairOver: GREEN RIVER
0.1 MI W OF SR-181, King, WA
Built 1973 Load: 23.7 t ADT: 10,269
HOCTOR ROAD
FairOver: SWALE CREEK
1.0 E JCT SR 97, Klickitat, WA
Built 1985 Load: 23.7 t ADT: 358
NELSON ROAD
FairOver: INDEPENDENCE CREEK
12.0 W CENTRALIA, Lewis, WA
Built 1955 Load: 23.7 t ADT: 87
LEWIS BRIDGE ROAD
FairOver: WILSON CREEK
6.66 S SR 2, Lincoln, WA
Built 1912 Load: 23.7 t ADT: 26
US 101
FairOver: SUND CREEK
14.3 S JEFFERSON CO, Mason, WA
Built 1925 Load: 23.7 t ADT: 3,700
FIRST AVENUE
FairOver: SALMON CREEK
.3 MI S OF OAK ST, Okanogan, WA
Built 1970 Load: 23.7 t ADT: 260
SR 6
FairOver: ROCK CREEK
23.2 E JCT US 101, Pacific, WA
Built 1928 Load: 23.7 t ADT: 1,561
SR 7
FairOver: OHOP SLOUGH
3.4 N JCT SR 161, Pierce, WA
Built 1922 Load: 23.7 t ADT: 2,712
BENSON RIDGE LANE
FairOver: CARPENTER CREEK
1.2 E I-5 JCT STACKPOLE, Skagit, WA
Built 1983 Load: 23.7 t ADT: 46
ROCKPORT CASCADE
FairOver: ILLABOT CREEK (EAST)
4.2 E JCT SR 530, Skagit, WA
Built 1970 Load: 23.7 t ADT: 262
I-5
FairOver: 44TH AVE NW
4.1 N JCT SR 532, Snohomish, WA
Built 1957 Load: 23.7 t ADT: 32,189
SR 27
FairOver: SPRING CREEK
18.8 N JCT SR 272, Whitman, WA
Built 1988 Load: 23.7 t ADT: 800
FARMINGTON/1000
FairOver: PINE CREEK
0.03 MI W FRMNGTN CTY LMT, Whitman, WA
Built 1915 Load: 23.7 t ADT: 364
SQUAW/3660
FairOver: PINE CREEK
1.26 MI SE SPKN CNTY LINE, Whitman, WA
Built 1963 Load: 23.7 t ADT: 57
RALSTON-BENGE RD
FairOver: DRY WASH
01.76 MI E SR261, Adams, WA
Built 1900 Load: 24.0 t ADT: 62
Showing 2,601-2,650 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 |