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
SPRAGUE WAY S/B
FairOver: ERIE STREET
00.70 E SR 395, Spokane, WA
Built 1953 Load: 59.0 t ADT: 1,098
LAKEMONT BLVD
FairOver: RAVINE
0.7 MI S OF JCT I-90, King, WA
Built 1998 Load: 59.3 t ADT: 16,261
COMMERCIAL/YOUNG
FairOver: WHATCOM CREEK
COMMERCIAL/WHATCOM, Whatcom, WA
Built 1957 Load: 59.3 t ADT: 3,900
RIALTO BEACH ROAD
FairOver: DICKEY RIVER
FROM HWY. 101, 7.8 MI. WE, Clallam, WA
Built 1979 Load: 59.9 t ADT: 454
SR 500
FairOver: NE GHER RD & NE 112 AVE
0.6 E JCT I-205, Clark, WA
Built 2004 Load: 59.9 t ADT: 63,881
SR 165
FairOver: WILKESON CREEK
16.4 N RAINIER PARK, Pierce, WA
Built 1918 Load: 59.9 t ADT: 1,941
NO DATA ENTERED
FairOver: LITTLE WHITE SALMON 2
NO DATA ENTERED, Skamania, WA
Built 1985 Load: 59.9 t ADT: 5
PIONEER HIGHWAY
FairOver: THOMSEN SLOUGH
8.0 E JCT SR 532, Snohomish, WA
Built 1919 Load: 59.9 t ADT: 4,110
ROAD
FairOver: MANASTASH CREEK
NO DATA ENTERED, Kittitas, WA
Built 1974 Load: 60.3 t ADT: 100
NORTH REED STREET
FairOver: BRICKYARD CREEK
0.4 MI N of SR20, Skagit, WA
Built 2002 Load: 60.6 t ADT: 1,031
NE 106TH ST
FairOver: BEAR CREEK
0.1 MI E OF AVONDALE RD, King, WA
Built 1953 Load: 60.8 t ADT: 180
I-90
FairOver: BIG CR
20.6 E JCT SR 906, Kittitas, WA
Built 1973 Load: 60.8 t ADT: 16,139
ROSAMOND AVENUE
FairOver: SUNSET BOULEVARD
0.4 W I-90/SR 195, Spokane, WA
Built 1988 Load: 60.8 t ADT: 636
SOUTH 43RD STREET
FairOver: HOSPITAL ACCESS ROAD
0.2 MI E JCT SR-167, King, WA
Built 1992 Load: 61.6 t ADT: 34,442
IMRIE ROAD
FairOver: ROCK CREEK
3.06 S JCT CR 34000, Klickitat, WA
Built 1965 Load: 61.6 t ADT: 2
SMITH RD E
FairOver: ANDERSON CREEK
0.2 W OF SAND ROAD, Whatcom, WA
Built 2005 Load: 61.6 t ADT: 4,147
3RD ST SW
FairOver: A ST SW
0.3 MILES WEST OF SR-18, King, WA
Built 2002 Load: 61.7 t ADT: 22,000
96th Ave NE
FairOver: KC Trail
0.1 S JCT SR 527, King, WA
Built 1989 Load: 61.7 t ADT: 13,151
ROAD
FairOver: CABIN CREEK
NO DATA ENTERED, Kittitas, WA
Built 1964 Load: 61.7 t ADT: 75
US 195
FairOver: BNRR (ABANDONED)
5.6 N JCT SR 23, Whitman, WA
Built 1962 Load: 61.7 t ADT: 4,027
HORSESHOE BEND RD.
FairOver: SWALE CREEK
00.33 S JCT SR 142, Klickitat, WA
Built 1965 Load: 61.9 t ADT: 34
MACADAM ROAD S.
FairOver: S 133RD
0.3 S JCT SR599, King, WA
Built 1997 Load: 62.6 t ADT: 3,600
US 395
FairOver: PAHA-PACKARD RD
5.4 N JCT SR 21, Adams, WA
Built 1995 Load: 63.5 t ADT: 4,747
SAUNDERS ROAD
FairOver: PESHASTIN CREEK
01.4N DRYDEN, Chelan, WA
Built 1920 Load: 63.5 t ADT: 428
FREYA WAY
FairOver: SIRR
00.13 N SR290, Spokane, WA
Built 1971 Load: 63.5 t ADT: 28,557
SR 20
FairOver: GOODELL CREEK
3.2 E SKAGIT CO, Whatcom, WA
Built 1972 Load: 63.5 t ADT: 1,732
DIABLO DAM RD
FairOver: DIABLO GORGE
Diablo Access Road, King, WA
Built 1962 Load: 64.4 t ADT: 580
JONES ROAD
FairOver: SO. FORK CHEHALIS RIVER
6.0 S BOISTFORT, Lewis, WA
Built 2004 Load: 64.4 t ADT: 11
SR 9
FairOver: CREEK
9.1 N SKAGIT CO, Whatcom, WA
Built 1952 Load: 65.3 t ADT: 3,307
SR 105
FairOver: CHAPIN CREEK
13.6 N JCT SR 105 SP, Grays Harbor, WA
Built 1940 Load: 66.2 t ADT: 6,067
EAST JOHNSON ROAD
FairOver: CARPENTER CREEK
1.0 E JCT CEDARDALE ROAD, Skagit, WA
Built 1981 Load: 66.2 t ADT: 85
US 101
FairOver: PERRY CR
0.6 S JCT SR 8, Thurston, WA
Built 1957 Load: 66.2 t ADT: 25,346
SKOOKUMCHUCK ROAD
FairOver: SKOOKUMCHUCK RIVER
2.3 SE JCT SR507, Thurston, WA
Built 1984 Load: 66.2 t ADT: 981
ROAD
FairOver: TAYLOR RIVER
0.4 MI W OF 56/54 JCT, King, WA
Built 1988 Load: 66.3 t ADT: 2
CONSTR. FAC. BR.
FairOver: POWERHOUSE FOREBAY WATER
LOWER GRANITE DAM, Garfield, WA
Built 1973 Load: 66.7 t ADT: 50
US 12
FairOver: OLIVER CREEK
15.3 E JCT SR 7, Lewis, WA
Built 1926 Load: 67.1 t ADT: 4,752
MINERAL CREEK ROAD
FairOver: MINERAL CREEK
1.8 E MINERAL, Lewis, WA
Built 2005 Load: 67.1 t ADT: 168
W 4th Avenue
FairOver: Fill Slope
4th Avenue, Thurston, WA
Built 2004 Load: 67.7 t ADT: 20,060
SR 410
FairOver: MILK CREEK
23.5 E PIERCE CO, Yakima, WA
Built 1939 Load: 68.0 t ADT: 849
56 AV S
FairOver: LACAMAS CREEK
1.2 E JCT SR 507, Pierce, WA
Built 1972 Load: 68.9 t ADT: 400
SR 112
FairOver: ELWHA RIVER
37.3 E JCT SR 113, Clallam, WA
Built 1972 Load: 69.8 t ADT: 5,624
I-90 EB
FairOver: HUMPBACK CREEK
17.5 E JCT SR 202, King, WA
Built 1972 Load: 70.7 t ADT: 18,185
ROAD
FairOver: TAYLOR RIVER
12.6 MI W OF I-90/56 JCT, King, WA
Built 1988 Load: 70.8 t ADT: 128
F STREET
FairOver: CLOVER CREEK
GRID COORD ET389203, Pierce, WA
Built 1939 Load: 71.0 t ADT: 100
SE 416TH ST
FairOver: NEWAUKUM CREEK
0.8 MI E OF SR-169, King, WA
Built 2011 Load: 72.6 t ADT: 1,874
OLD HWY 101
FairOver: SCHNEIDER CR
150' SE of Whittaker Rd, Thurston, WA
Built 1995 Load: 72.6 t ADT: 3,915
HAWKS PRAIRIE ROAD
FairOver: WOODLAND CREEK
150 ft S Johnson Point Rd, Thurston, WA
Built 1955 Load: 72.6 t ADT: 5,737
MCCARTHY BLVD
FairOver: CLOVER CREEK
GRID COORD ET391202, Pierce, WA
Built 1940 Load: 73.2 t ADT: 100
SPILLWAY BRIDGE
FairOver: SPILLWAY CHANNEL
LITTLE GOOSE DAM, Columbia, WA
Built 1968 Load: 73.9 t ADT: 50
SIGHTLY ROAD
FairOver: OUTLET CREEK
0.03 S SR 504 (MP 10.53), Cowlitz, WA
Built 1956 Load: 74.4 t ADT: 600
Showing 4,551-4,600 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 |