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
NO DATA ENTERED
FairOver: JOHNSON CREEK
8 MILES SE OF HWY 12 (MP, Lewis, WA
Built 1950 Load: 25.4 t ADT: 141
SKATE CREEK ROAD
FairOver: COWLITZ
0.5 NW PACKWOOD, Lewis, WA
Built 1953 Load: 25.4 t ADT: 1,331
CEDAR ST
FairOver: CHINA CREEK
.3 N JCT. SR 507, Lewis, WA
Built 1947 Load: 25.4 t ADT: 295
SR 108
FairOver: SKOOKUM CREEK
6.9 E GRAYS HBR CO, Mason, WA
Built 1952 Load: 25.4 t ADT: 3,852
CO. RD. 90100
FairOver: DECKER CREEK
6.4 MI SO MATLOCK, Mason, WA
Built 1996 Load: 25.4 t ADT: 588
US 97
FairOver: OKANOGAN RIVER
15.6 N JCT SR 20, Okanogan, WA
Built 1951 Load: 25.4 t ADT: 3,220
SR 20
FairOver: LOST CREEK
5.3 E JCT SR 31, Pend Oreille, WA
Built 1934 Load: 25.4 t ADT: 1,052
SR 165
FairOver: GULCH NO 3
11.9 N RAINIER PARK, Pierce, WA
Built 1957 Load: 25.4 t ADT: 267
16 AV S
FairOver: LACAMAS CREEK
8. SO JCT SR 507, Pierce, WA
Built 1960 Load: 25.4 t ADT: 275
SR 20
FairOver: HARNEY CHANNEL
ON ORCAS ISLAND, San Juan, WA
Built 1959 Load: 25.4 t ADT: 2,322
SR 530
FairOver: WHITE CREEK
7.8 N SNOHOMISH CO, Skagit, WA
Built 1974 Load: 25.4 t ADT: 1,439
SR 9
FairOver: LAKE CREEK
2.8 N JCT SR 534, Skagit, WA
Built 1966 Load: 25.4 t ADT: 1,540
RD. NO. 2820
FairOver: CREVICE CREEK
M.P. 0.1 RD. NO. 2820, Skagit, WA
Built 1966 Load: 25.4 t ADT: 62
LAKE SAMISH RD
FairOver: BEAR CREEK
2.0 NW JCT I-5, Skagit, WA
Built 1959 Load: 25.4 t ADT: 491
OLD HWY 99 NORTH
FairOver: FRIDAY CREEK
4.3 N JCT COOK RD., Skagit, WA
Built 1956 Load: 25.4 t ADT: 2,682
MARCH POINT ROAD
FairOver: PETROLEUM PIPELINES
1.6 N JCT SR 20, Skagit, WA
Built 1960 Load: 25.4 t ADT: 678
NO DATA ENTERED
FairOver: GREEN FORK CREEK
15.7 MILES WEST OF THE WI, Skamania, WA
Built 1958 Load: 25.4 t ADT: 30
NO DATA ENTERED
FairOver: CANYON CREEK
5.8 MILES NW OF HWY 12 (M, Skamania, WA
Built 1957 Load: 25.4 t ADT: 129
US 2
FairOver: SKYKOMISH R
15.4 E JCT SR 203, Snohomish, WA
Built 1932 Load: 25.4 t ADT: 9,355
RD. NO. 26
FairOver: DOWNEY CREEK
M.P. 21.9 RD. NO. 26, Snohomish, WA
Built 1962 Load: 25.4 t ADT: 79
SMOKEY POINT BLVD
FairOver: SOUTH SLOUGH
0.3 S JCT SR 530, Snohomish, WA
Built 1918 Load: 25.4 t ADT: 5,680
SMOKEY POINT BLVD
FairOver: PORTAGE CREEK
0.7 S JCT SR 530, Snohomish, WA
Built 1922 Load: 25.4 t ADT: 5,900
MOUNTAIN LOOP HWY
FairOver: BACKMAN CREEK
2.9 SE JCT SR 530, Snohomish, WA
Built 1979 Load: 25.4 t ADT: 812
SANDS ROAD
FairOver: CHESTER CREEK
0.2 S.CHESTER, Spokane, WA
Built 1977 Load: 25.4 t ADT: 2,000
ALADDIN RD
FairOver: MILL CREEK
02.16 N JCT SR 20, Stevens, WA
Built 1960 Load: 25.4 t ADT: 1,442
DELPHI ROAD SW
FairOver: MCLANE CREEK
.15 m S of Cedar Flats Rd, Thurston, WA
Built 1924 Load: 25.4 t ADT: 2,612
STEAMBOAT IS. RD.
FairOver: TOTTEN INLET
STEAMBOAT ISLAND, Thurston, WA
Built 1982 Load: 25.4 t ADT: 146
ROAD
FairOver: WARM CREEK
NO DATA ENTERED, Whatcom, WA
Built 1968 Load: 25.4 t ADT: 25
N 17TH STREET
FairOver: FISHTRAP CREEK
AT LIBERTY, Whatcom, WA
Built 1975 Load: 25.4 t ADT: 1,140
SR 27
FairOver: CEDAR CREEK
4.9 N JCT SR 272, Whitman, WA
Built 1923 Load: 25.4 t ADT: 1,215
SEABURY/0150
FairOver: SOUTH FORK PINE CREEK
2.50 MI NW SR 27, Whitman, WA
Built 1967 Load: 25.4 t ADT: 124
SR 241
FairOver: ROSA CANAL
5.2 N JCT I-82, Yakima, WA
Built 1977 Load: 25.4 t ADT: 1,961
SCHRAG RD
FairOver: DRY WASH
00.08 MI E MOODY, Adams, WA
Built 1938 Load: 25.6 t ADT: 143
LEE RD
FairOver: WASTEWAY EL68 STA 264+67
00.74 MI EAST SR17, Adams, WA
Built 1986 Load: 25.6 t ADT: 765
NE 182ND AVE
FairOver: SALMON CREEK
0.1S NE RISTO RD, Clark, WA
Built 1960 Load: 25.6 t ADT: 7,554
US 12
FairOver: PATIT CREEK
8.4 E WALLA WAL CO, Columbia, WA
Built 1933 Load: 25.6 t ADT: 2,207
TUCANNON ROAD
FairOver: TUCANNON RIVER
5.7 SE JCT SR 126, Columbia, WA
Built 1974 Load: 25.6 t ADT: 200
SR 281
FairOver: WEST CANAL
0.6 N JCT I-90, Grant, WA
Built 1964 Load: 25.6 t ADT: 5,451
I-5
FairOver: TERRAIN
5.2 N JCT SR 900, King, WA
Built 1967 Load: 25.6 t ADT: 94,901
W NORTH BEND WAY
FairOver: RIBARY CREEK
3.1 MI E OF I-90, King, WA
Built 1941 Load: 25.6 t ADT: 6,500
CENTERVILLE HWY
FairOver: SWALE CREEK
10.7 W JCT SR 97, Klickitat, WA
Built 1977 Load: 25.6 t ADT: 270
US 12
FairOver: LAKE CR
18.4 E JCT SR 131, Lewis, WA
Built 1963 Load: 25.6 t ADT: 2,566
DOUGLAS ROAD
FairOver: CORBETT CREEK
0.95 S SR 174, Lincoln, WA
Built 1960 Load: 25.6 t ADT: 65
FIFTH AVENUE
FairOver: SALMON CREEK
.07 S OF TYEE ST, Okanogan, WA
Built 1970 Load: 25.6 t ADT: 260
FS ROUTE NO. 312
FairOver: UPPER W. BRANCH
UPPER WEST BRANCH, Pend Oreille, WA
Built 1954 Load: 25.6 t ADT: 50
I-5
FairOver: COLONY RD
8.8 N JCT SR 11, Skagit, WA
Built 1963 Load: 25.6 t ADT: 23,247
SOUTH SKAGIT HWY
FairOver: CUMBERLAND CREEK
11.5 E JCT SR 9, Skagit, WA
Built 1961 Load: 25.6 t ADT: 635
MILLER ROAD
FairOver: LITTLE PEND OREILLE RIVE
.40 S ARTMAN-GIBSON RD., Stevens, WA
Built 1960 Load: 25.6 t ADT: 40
GOODWIN RD
FairOver: SWIFT CR
00.3 N MASSEY RD., Whatcom, WA
Built 1934 Load: 25.6 t ADT: 1,443
US 195
FairOver: PALOUSE RIVER
0.7 N JCT SR 272, Whitman, WA
Built 1931 Load: 25.6 t ADT: 6,470
Showing 2,901-2,950 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 |