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
I-5
FairOver: MCALLISTER CR
2.2 N JCT SR 510, Thurston, WA
Built 1968 Load: 33.7 t ADT: 2,096
SLATER RD
FairOver: NOOKSACK RIVER
02.43 W OF NW DR, Whatcom, WA
Built 1957 Load: 33.7 t ADT: 12,802
NILE ROAD
FairOver: RATTLESNAKE CREEK
00.02 N RATTLESNAKE, Yakima, WA
Built 1976 Load: 33.7 t ADT: 600
WINE COUNTRY ROAD
FairOver: YAKIMA RIVER
.1 S N RIVER RD, Benton, WA
Built 1931 Load: 34.0 t ADT: 6,779
W GALER ST
FairOver: ELLIOTT AVE W, RR
W Galer St & Elliott Ave, King, WA
Built 2000 Load: 34.0 t ADT: 10,000
TJOSSEM ROAD
FairOver: WILSON CREEK
00.08 E CANYON ROAD, Kittitas, WA
Built 1962 Load: 34.0 t ADT: 1,212
ESHELMAN ROAD
FairOver: SWALE CREEK
0.3 S. Jct CR 22000, Klickitat, WA
Built 1977 Load: 34.0 t ADT: 42
BUTTERMILK BUTTE
FairOver: EAST FORK BUTTERMILK CR
NO DATA ENTERED, Okanogan, WA
Built 1992 Load: 34.0 t ADT: 15
SR 401
FairOver: BEAN CR
6.9 N JCT US 101, Pacific, WA
Built 1958 Load: 34.0 t ADT: 2,827
SALMON FALLS ROAD
FairOver: WASHOUGAL RIVER
3.39 N JCT SR 14, Skamania, WA
Built 1961 Load: 34.0 t ADT: 352
CATHERINE DR
FairOver: CATHERINE CREEK
0.7 S JCT SR92, Snohomish, WA
Built 1998 Load: 34.0 t ADT: 1,000
ESTES/5300
FairOver: BRANCH FOUR MILE CREEK
0.30 MI SE SR 27, Whitman, WA
Built 1971 Load: 34.0 t ADT: 154
LITTLE NACHES ROAD
FairOver: LITTLE NACHES RIVER
BELOW SALMON FALLS, Yakima, WA
Built 1972 Load: 34.2 t ADT: 100
CHARLEY CREEK ROAD
FairOver: CHARLEY CREEK
01.09 S JCT SR112, Clallam, WA
Built 1948 Load: 34.3 t ADT: 20
I-90
FairOver: 424TH AVE SE
1.5 E JCT SR 202, King, WA
Built 1976 Load: 34.3 t ADT: 23,108
I-90
FairOver: 424TH AVE SE
1.5 E JCT SR 202, King, WA
Built 1976 Load: 34.3 t ADT: 23,108
SE GREEN VALLEY RD
FairOver: BURNS CREEK
4.1 MI E OF SR-18, King, WA
Built 1926 Load: 34.3 t ADT: 1,847
SW SPOKANE ST
FairOver: DUWAMISH RIVER W WATERWY
1200 SW Spokane St, King, WA
Built 1983 Load: 34.3 t ADT: 108,179
LAKESIDE RD
FairOver: OUTLET CREEK
2.0 S JCT CR16000, Klickitat, WA
Built 1991 Load: 34.3 t ADT: 62
US 101
FairOver: CREEK/RR/STREET
3.1 S JCT SR 102, Mason, WA
Built 1973 Load: 34.3 t ADT: 17,635
HAMPTON RD
FairOver: KAMM SLOUGH
01.6 W Northwood Road, Whatcom, WA
Built 2010 Load: 34.3 t ADT: 2,400
HERMAN RD
FairOver: BRANCH CANAL EL68
00.50 MI W SR17, Adams, WA
Built 1952 Load: 34.5 t ADT: 140
I-82
FairOver: COLUMBIA RIVER
1.0 E JCT SR 14, Benton, WA
Built 1955 Load: 34.5 t ADT: 12,412
ACCESS RD
FairOver: PESHASTIN CREEK
18.0 N KITTITAS CO, Chelan, WA
Built 1979 Load: 34.5 t ADT: 100
NO DATA ENTERED
FairOver: RAINBOW CREEK
NO DATA ENTERED, Clallam, WA
Built 1977 Load: 34.5 t ADT: 50
SR 432
FairOver: COWLITZ RIVER & BNSF
2.0 E JCT SR 411, Cowlitz, WA
Built 1973 Load: 34.5 t ADT: 19,031
ARTERIAL ROAD
FairOver: RAFT RIVER
1.8 MILE NORTH OF SR 101, Grays Harbor, WA
Built 1975 Load: 34.5 t ADT: 124
NO DATA ENTERED
FairOver: TEA CREEK
NO DATA ENTERED, Grays Harbor, WA
Built 1961 Load: 34.5 t ADT: 50
WENZEL SLOUGH ROAD
FairOver: NEWMAN CREEK
04.1 W JCT 9641, Grays Harbor, WA
Built 1971 Load: 34.5 t ADT: 102
NO DATA ENTERED
FairOver: HOOK BRANCH CREEK
NO DATA ENTERED, Jefferson, WA
Built 1977 Load: 34.5 t ADT: 15
I-5 RAMP
FairOver: PEDESTRIAN PATH
3.1 N JCT I-90, King, WA
Built 1963 Load: 34.5 t ADT: 5,002
I-5
FairOver: SB VIADUCT STA 2195
1.2 N JCT I-90, King, WA
Built 1964 Load: 34.5 t ADT: 69,913
SR 599
FairOver: 42ND AVE S
0.7 N JCT I-5, King, WA
Built 1968 Load: 34.5 t ADT: 22,020
SR 167
FairOver: FIRST AVE N
1.5 N PIERCE CO, King, WA
Built 1977 Load: 34.5 t ADT: 92,898
W GARFIELD ST RAMP
FairOver: 16TH AVE W
W Garfield St & 23rd Ave, King, WA
Built 1991 Load: 34.5 t ADT: 4,000
NE 90TH ST
FairOver: SAMMAMISH RIVER
0.5 MI W OF SR-202, King, WA
Built 2001 Load: 34.5 t ADT: 17,500
I-90
FairOver: TANEUM CR
11.4 E JCT SR 970, Kittitas, WA
Built 1965 Load: 34.5 t ADT: 14,344
TAYLOR ROAD
FairOver: BRANCH NEWAUKUM RIVER
2.5 NE NAPAVINE, Lewis, WA
Built 1954 Load: 34.5 t ADT: 80
BUNKER ROAD
FairOver: BUNKER CREEK
9.0 NW ADNA, Lewis, WA
Built 1955 Load: 34.5 t ADT: 25
TOLEDO SALMON CRK
FairOver: SALMON CREEK
1.39 SE JCT 50850, Lewis, WA
Built 1977 Load: 34.5 t ADT: 31
BIG HANAFORD RD.
FairOver: HANAFORD CR.
7. NE CENTRALIA, Lewis, WA
Built 1955 Load: 34.5 t ADT: 189
86 AV NW
FairOver: LAY INLET / NELYAL CREEK
3.0 W JCT SR16, Pierce, WA
Built 1941 Load: 34.5 t ADT: 900
NISQUALLY ENTRANCE
FairOver: TAHOMA CREEK
1.2 MILES EAST OF NISQUAL, Pierce, WA
Built 1969 Load: 34.5 t ADT: 1,576
ROAD
FairOver: CUMBERLAND CREEK
NO DATA ENTERED, Skagit, WA
Built 1966 Load: 34.5 t ADT: 25
FARM TO MARKET RD
FairOver: NEUMAN SL
6.1 N JCT SR20, Skagit, WA
Built 1950 Load: 34.5 t ADT: 920
NO DATA ENTERED
FairOver: COYOTE CREEK
ABOUT 9 MILES SOUTHWEST O, Skamania, WA
Built 1962 Load: 34.5 t ADT: 118
92 ND ST SE
FairOver: PILCHUCK R.
0.54 W INT SR2, Snohomish, WA
Built 1948 Load: 34.5 t ADT: 13,700
196TH ST S.E.
FairOver: NORTH CREEK
0.2 W JCT SR 527, Snohomish, WA
Built 1969 Load: 34.5 t ADT: 579
SCHERRER RD
FairOver: CATTLE PASS
3.1 SE JCT SR 92, Snohomish, WA
Built 1985 Load: 34.5 t ADT: 42
MARINE DRIVE
FairOver: QUILCEDA CREEK
0.5 NW JCT I-5, Snohomish, WA
Built 1988 Load: 34.5 t ADT: 16,620
Showing 3,801-3,850 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 |