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
CUNNINGHAM RD
FairOver: PROVIDENCE COULEE
00.07 MI W CUNNINGHAM, Adams, WA
Built 1920 Load: 37.9 t ADT: 279
BRIDGEPORT HILL RD
FairOver: SMITH CREEK
10.28 N. 25E, Douglas, WA
Built 1993 Load: 37.9 t ADT: 421
ANNE STREET
FairOver: GOOSE CREEK
0.03 S JCT US 2, Lincoln, WA
Built 1981 Load: 37.9 t ADT: 200
MILWAUKEE AVENUE
FairOver: PUYALLUP RIVER
0.3 S JCT SR167, Pierce, WA
Built 1961 Load: 37.9 t ADT: 10,010
3RD STREET
FairOver: SPANGLE CREEK
0.1 E OLD SR 195, Spokane, WA
Built 1977 Load: 37.9 t ADT: 175
ELBERTON/2400
FairOver: NORTH FORK PALOUSE RIVER
1.97 MI E DRY CREEK, Whitman, WA
Built 1987 Load: 37.9 t ADT: 182
RALSTON-BENGE RD
FairOver: COW CREEK
05.76 MI E SR261, Adams, WA
Built 1917 Load: 38.1 t ADT: 62
ENTIAT VALLEY
FairOver: NORTH FORK ENTIAT RIVER
NO DATA ENTERED, Chelan, WA
Built 1948 Load: 38.1 t ADT: 100
TOWER RD
FairOver: TOUTLE RIVER
2.92 NE SR 504 (MP 2.00), Cowlitz, WA
Built 1981 Load: 38.1 t ADT: 600
US 101
FairOver: LITTLE HOQUIAM R
1.4 N JCT SR 109, Grays Harbor, WA
Built 1958 Load: 38.1 t ADT: 5,422
NO DATA ENTERED
FairOver: BIG CREEK
NO DATA ENTERED, Grays Harbor, WA
Built 1971 Load: 38.1 t ADT: 10
SOUTH BANK ROAD
FairOver: ROCK CREEK
SOUTH OF LANGABEER ROAD, Grays Harbor, WA
Built 1971 Load: 38.1 t ADT: 475
EAST WISHKAH ROAD
FairOver: BEAR CREEK
01.4 NE JCT 9431, Grays Harbor, WA
Built 1976 Load: 38.1 t ADT: 200
SR 203
FairOver: GRIFFIN CR
3.8 N JCT SR 202, King, WA
Built 1945 Load: 38.1 t ADT: 7,622
SR 520
FairOver: PEDESTRIAN TRAIL
0.2 E JCT I-405, King, WA
Built 1969 Load: 38.1 t ADT: 43,146
SR 520
FairOver: 140TH AVE NE
1.6 E JCT I-405, King, WA
Built 1972 Load: 38.1 t ADT: 43,146
I-90
FairOver: E FK ISSAQUAH CREEK
3.3 E JCT SR 900, King, WA
Built 1976 Load: 38.1 t ADT: 33,574
SW 43RD STREET
FairOver: SPRINGBROOK CREEK
1.0 MI W OF SR-167, King, WA
Built 1983 Load: 38.1 t ADT: 27,713
A STREET SE
FairOver: STUCK RIVER (WHITE RIV)
1.3 MI E OF SR-167, King, WA
Built 1991 Load: 38.1 t ADT: 25,650
DEEP CREEK ROAD
FairOver: DEEP CREEK
3.18 N JCT 24034, Lewis, WA
Built 1978 Load: 38.1 t ADT: 66
KOLLOCK RD
FairOver: OLEQUA CREEK
0.19 SE JCT.93000, Lewis, WA
Built 1977 Load: 38.1 t ADT: 45
PLUM ST
FairOver: CHINA CREEK
.2 N JCT. SR 507, Lewis, WA
Built 1944 Load: 38.1 t ADT: 147
SR 23
FairOver: LORD'S VALLEY CREEK
16.0 N JCT SR 231, Lincoln, WA
Built 1960 Load: 38.1 t ADT: 367
NO DATA ENTERED
FairOver: JEFFERSON CREEK
NO DATA ENTERED, Mason, WA
Built 1957 Load: 38.1 t ADT: 50
US 101
FairOver: NASELLE RIVER
12.9 N JCT SR 103, Pacific, WA
Built 1985 Load: 38.1 t ADT: 1,852
US 101
FairOver: N FK WILLAPA
0.7 N JCT SR 6, Pacific, WA
Built 1992 Load: 38.1 t ADT: 8,113
I-5
FairOver: PORTLAND AVE
1.1 N JCT SR 7, Pierce, WA
Built 1962 Load: 38.1 t ADT: 103,992
I-5
FairOver: PORTLAND AVE
1.1 N JCT SR 7, Pierce, WA
Built 1962 Load: 38.1 t ADT: 103,992
SR 512
FairOver: PARK AVE
2.0 E JCT I-5, Pierce, WA
Built 1963 Load: 38.1 t ADT: 69,533
ROAD # 28
FairOver: N.F. STILLIGUAMISH RIVER
MILEPOST 4.8 RD. 28, Skagit, WA
Built 1994 Load: 38.1 t ADT: 60
NO DATA ENTERED
FairOver: GREEN FORK
14.3 MILES EAST OF JCT. E, Skamania, WA
Built 1986 Load: 38.1 t ADT: 10
SR 9
FairOver: PEDESTRAIN TRAIL
1.8 N JCT SR 528, Snohomish, WA
Built 1957 Load: 38.1 t ADT: 15,892
SR 9
FairOver: 2ND ST
2.6 N JCT SR 96, Snohomish, WA
Built 1963 Load: 38.1 t ADT: 28,331
SR 522
FairOver: W MAIN STREET
9.1 E JCT SR 9, Snohomish, WA
Built 1970 Load: 38.1 t ADT: 15,235
RD. NO. 20
FairOver: BEDAL CREEK
M.P. 35.9 RD. NO. 20, Snohomish, WA
Built 1978 Load: 38.1 t ADT: 140
188 SW
FairOver: OVERFLOW CHANNEL
700 ft W Marble St SW, Thurston, WA
Built 1981 Load: 38.1 t ADT: 291
SCH. LND. RD. CULV
FairOver: OVERFLOW CHANNEL
600' W Forstom St., Thurston, WA
Built 1981 Load: 38.1 t ADT: 345
SR 27
FairOver: MISSOURI FLAT CR
0.3 N JCT SR 270, Whitman, WA
Built 1955 Load: 38.1 t ADT: 18,411
SR 195
FairOver: PINE CREEK
3.5 N JCT SR 271, Whitman, WA
Built 1974 Load: 38.1 t ADT: 4,652
US 195
FairOver: OLD BN RR
2.9 N JCT SR 271, Whitman, WA
Built 1975 Load: 38.1 t ADT: 4,476
SR 823
FairOver: SLOUGH & CNTY RD
0.2 N JCT I-82, Yakima, WA
Built 1947 Load: 38.1 t ADT: 17,558
I-82 RAMP
FairOver: YAKIMA AVE
2.0 E JCT US 12, Yakima, WA
Built 1962 Load: 38.1 t ADT: 4,561
I-82
FairOver: MIDVALE ROAD
8.6 E JCT SR 223, Yakima, WA
Built 1982 Load: 38.1 t ADT: 9,325
SR 823
FairOver: YAKIMA RIVER
0.1 N JCT I-82, Yakima, WA
Built 1999 Load: 38.1 t ADT: 2,615
SPRUCE CREEK RD
FairOver: SPRUCE CREEK
0.59 W MILL CRK RD (1.00), Cowlitz, WA
Built 1966 Load: 38.2 t ADT: 100
I-90
FairOver: GAME CROSSING
1.3 E JCT SR 18, King, WA
Built 1976 Load: 38.2 t ADT: 33,470
AVONDALE ROAD
FairOver: BEAR CREEK
4.3 MI E OF SR-405, King, WA
Built 1995 Load: 38.2 t ADT: 24,768
I-90
FairOver: DRY CREEK
18.9 E JCT SR 970, Kittitas, WA
Built 1967 Load: 38.2 t ADT: 15,317
I-90
FairOver: DRY CREEK
18.9 E JCT SR 970, Kittitas, WA
Built 1967 Load: 38.2 t ADT: 15,317
TURKINGTON RD
FairOver: MCCARTY CR
W HWY 9, Whatcom, WA
Built 1975 Load: 38.2 t ADT: 100
Showing 4,051-4,100 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 |