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
RD. NO. 4032
FairOver: MALLARDY CREEK
M.P. 1.0 RD. NO. 4032, Snohomish, WA
Built 1961 Load: 30.9 t ADT: 23
RD. NO. 2060
FairOver: CLEAR CREEK
M.P. 5.8 RD. NO. 2060, Snohomish, WA
Built 1967 Load: 30.9 t ADT: 9
NACHES RIVER ROAD
FairOver: BUMPING RIVER
TO HALFWAY FLAT CAMPGROUD, Yakima, WA
Built 1975 Load: 30.9 t ADT: 30
MCKINLEY SPRINGS
FairOver: GLADE CREEK
01.18 S HORRIGAN RD, Benton, WA
Built 1974 Load: 31.1 t ADT: 263
Ingalls Creek Road
FairOver: Ingalls Creek
MP 1.4 Ingalls Creek Road, Chelan, WA
Built 1968 Load: 31.1 t ADT: 4
RD 3 SW
FairOver: DOUGLAS CREEK
0.12 N JCT 4 SW, Douglas, WA
Built 1961 Load: 31.1 t ADT: 56
NORTH MEADOW GULCH
FairOver: SOUTH MEADOW CREEK
4.5 MI N POMEROY, Garfield, WA
Built 1979 Load: 31.1 t ADT: 25
PING GULCH RD
FairOver: PING GULCH
6.0 MI E SR 127, Garfield, WA
Built 1975 Load: 31.1 t ADT: 100
MOX CHEHALIS ROAD
FairOver: MOX CHEHALIS CREEK
1.4 NE JCT SR12, Grays Harbor, WA
Built 1964 Load: 31.1 t ADT: 605
KIRKPATRICK RD.
FairOver: STEVENS CREEK
01.4 W JCT SR 101, Grays Harbor, WA
Built 1961 Load: 31.1 t ADT: 439
W.B. I-90
FairOver: LAKE WASHINGTON
3.0 E JCT I-5, King, WA
Built 1989 Load: 31.1 t ADT: 63,053
NORTHUP WAY
FairOver: EASTSIDE RAIL CORRIDOR
NORTHUP & 116TH, King, WA
Built 1987 Load: 31.1 t ADT: 14,250
I-82
FairOver: BURBANK CREEK
15.8 E JCT SR 821, Kittitas, WA
Built 1970 Load: 31.1 t ADT: 9,724
CLYDE STORY ROAD
FairOver: SWALE CREEK
0.4 N JCT CR 33000, Klickitat, WA
Built 1981 Load: 31.1 t ADT: 54
ROCKPORT CASCADE
FairOver: JORDAN CREEK
0.71 SW JCT N CASCADE HW, Skagit, WA
Built 1969 Load: 31.1 t ADT: 304
NULLE RD
FairOver: FRIDAY CR
00.4 E W LK SAMISH, Whatcom, WA
Built 1934 Load: 31.1 t ADT: 851
IRR BIA RTE 98
FairOver: SAN POIL RIVER
16 KM SOUTH OF REPUBLIC, Ferry, WA
Built 1959 Load: 31.3 t ADT: 50
NORTH TOUCHET ROAD
FairOver: NORTH TOUCHET RIVER
11.18 SE JCT SR 12, Columbia, WA
Built 1973 Load: 31.4 t ADT: 350
US 101
FairOver: KALALOCH CREEK
5.8 N GRAYS HBR CO, Jefferson, WA
Built 1930 Load: 31.4 t ADT: 1,092
COAL CREEK PARKWAY
FairOver: COAL CREEK
1.3 MI E OF SR-405, King, WA
Built 2014 Load: 31.4 t ADT: 31,258
SIX PRONG ROAD
FairOver: ALDER CREEK
1.8 N JCT SR 14, Klickitat, WA
Built 1986 Load: 31.4 t ADT: 141
CRICK ROAD 1901
FairOver: GOOSE CREEK
7.94 SW SR 21, Lincoln, WA
Built 1959 Load: 31.4 t ADT: 17
FRONT STREET
FairOver: NO NAME CREEK
0.1 W OF D STREET, Lincoln, WA
Built 1990 Load: 31.4 t ADT: 50
CAMPBELL ROAD
FairOver: UNION PACIFIC RAILROAD
03.0 E FREEMAN, Spokane, WA
Built 1927 Load: 31.4 t ADT: 20
SR 507
FairOver: NISQUALLY RIVER
2.4 N JCT SR 510, Thurston, WA
Built 1987 Load: 31.4 t ADT: 21,833
SR 261
FairOver: SNAKE RIVER
14.8 N JCT US 12, Columbia, WA
Built 1927 Load: 31.7 t ADT: 474
SR 504
FairOver: BEAR CREEK
14.3 E JCT SR 504 SP, Cowlitz, WA
Built 1990 Load: 31.7 t ADT: 648
HANSEN RD
FairOver: OUTLET CREEK
0.55 S SR 504 (MP 9.94), Cowlitz, WA
Built 1969 Load: 31.7 t ADT: 87
SR 203
FairOver: SLOUGH
0.7 N JCT SR 202, King, WA
Built 1945 Load: 31.7 t ADT: 7,622
I-5
FairOver: RAVENNA BLVD
2.3 N JCT SR 520, King, WA
Built 1961 Load: 31.7 t ADT: 88,792
SR 167
FairOver: 84TH AVE SOUTH
1.7 N JCT SR 516, King, WA
Built 1967 Load: 31.7 t ADT: 52,291
SR 202
FairOver: SNOQUALMIE RIVER
14.0 E JCT SR 520, King, WA
Built 1980 Load: 31.7 t ADT: 12,373
WILDWOOD ROAD
FairOver: S.FORK CHEHALIS RIVER
11.5 S CURTIS, Lewis, WA
Built 1970 Load: 31.7 t ADT: 174
US 2
FairOver: SNOHOMISH RIVER
0.2 E JCT I-5, Snohomish, WA
Built 1968 Load: 31.7 t ADT: 39,701
I-5
FairOver: 300TH ST NW/FREEBORN RD
2.4 N JCT SR 532, Snohomish, WA
Built 1971 Load: 31.7 t ADT: 31,489
INDEX-GALENA RD
FairOver: S. BITTER CR (dry)
4.1 NE JCT SR 2, Snohomish, WA
Built 1967 Load: 31.7 t ADT: 132
INDEX-GALENA RD
FairOver: BITTER CREEK
4.1 NE JCT SR 2, Snohomish, WA
Built 1967 Load: 31.7 t ADT: 132
LARCH WAY
FairOver: SWAMP CREEK
1.4 SW INT I-405, Snohomish, WA
Built 1963 Load: 31.7 t ADT: 10,030
VAN ESS FARM RD
FairOver: WOODS CREEK
2.7 NE JCT SR 2, Snohomish, WA
Built 1989 Load: 31.7 t ADT: 66
US 395
FairOver: COLVILLE R
3.6 N JCT SR 231, Stevens, WA
Built 1963 Load: 31.7 t ADT: 8,380
TONO ROAD
FairOver: SKOOKUMCHUCK RIVER
0.4 m E of Hwy 507, Thurston, WA
Built 1972 Load: 31.7 t ADT: 333
NISQUALLY CUTOFF
FairOver: OVERFLOW CHANNEL
.2 E JCT I5, Thurston, WA
Built 1936 Load: 31.7 t ADT: 5,226
BARR ROAD
FairOver: GRAYS RIVER
0.6 S JCT SR 4, Wahkiakum, WA
Built 1967 Load: 31.7 t ADT: 266
US 12
FairOver: DRY CREEK
11.5 E JCT SR 125 SPUR, Walla Walla, WA
Built 1954 Load: 31.7 t ADT: 4,414
I-5
FairOver: DAKOTA CR & WEST RD
7.9 N JCT SR 548, Whatcom, WA
Built 1961 Load: 31.7 t ADT: 7,554
I-5
FairOver: DAKOTA CR & WEST RD
7.9 N JCT SR 548, Whatcom, WA
Built 1961 Load: 31.7 t ADT: 7,554
SR 23
FairOver: KAMIACHE CREEK
22.0 N JCT US 195, Whitman, WA
Built 1958 Load: 31.7 t ADT: 686
US 12
FairOver: NACHES RIVER
13.2 E JCT SR 410, Yakima, WA
Built 1958 Load: 31.7 t ADT: 9,227
I-82
FairOver: OVERFLOW CHANNEL
0.6 E JCT US 12, Yakima, WA
Built 1960 Load: 31.7 t ADT: 24,642
HATTON RD
FairOver: EL68 WASTEWAY 608+83.97
02.08 MI E SR17, Adams, WA
Built 1952 Load: 31.8 t ADT: 166
Showing 3,501-3,550 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 |