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-90
FairOver: 4TH AVE NW & TRAIL
1.0 E JCT SR 900, King, WA
Built 1971 Load: 10.7 t ADT: 30,913
CASCADE DRIVE
FairOver: MOFFETT CREEK
00.1 S BPA LINES, Skamania, WA
Built 1970 Load: 10.7 t ADT: 83
EVERGREEN DRIVE
FairOver: HAMILTON CR-GREENLEAF SL
00.1 UPSTREAM SR 14, Skamania, WA
Built 1924 Load: 10.7 t ADT: 299
W 5TH AVENUE
FairOver: BNRR
5TH AVENUE, Thurston, WA
Built 1958 Load: 10.7 t ADT: 16,790
WEIKEL ROAD
FairOver: COWICHE CREEK
00.10 N ZIMMERMAN, Yakima, WA
Built 1950 Load: 10.7 t ADT: 393
MEYERS RD.,N.
FairOver: DRY WASH
00.04 N FRALEY ROAD, Yakima, WA
Built 1958 Load: 10.7 t ADT: 6,903
FARM ACCESS
FairOver: Potholes East Canal
Potholes East Canal Later, Franklin, WA
Built 1952 Load: 10.8 t ADT: 10
CLINE RD
FairOver: ARKANSAS CREEK
0.57 N DELAMETER RD (0.89, Cowlitz, WA
Built 1959 Load: 10.9 t ADT: 115
OVERLAKE ST
FairOver: DUCK LAKE
0.1 W DUCK LAKE DR, Grays Harbor, WA
Built 1970 Load: 10.9 t ADT: 352
ROSS ROAD
FairOver: TURBINE CANAL
00.45 SE MORRISON R, Kittitas, WA
Built 1975 Load: 10.9 t ADT: 90
GROE RD E
FairOver: LITTLE MASHEL RIVER
.3 E SCOTT TURNER, Pierce, WA
Built 1976 Load: 10.9 t ADT: 40
WELLS ROAD
FairOver: SANDERS CREEK
1.0 N NEALEY ROAD, Spokane, WA
Built 1953 Load: 10.9 t ADT: 282
3RD AVE
FairOver: GARRISON CR
0.053 S of MALCOLM ST, Walla Walla, WA
Built 1926 Load: 10.9 t ADT: 2,125
GOOSEBERRY SPUR
FairOver: HALE PASSAGE
2. SW OF CAGEY RD., Whatcom, WA
Built 1950 Load: 10.9 t ADT: 1,300
PRESTON FALL CITY
FairOver: RAGING RIVER
2.0 MI NE OF 1-90, King, WA
Built 1962 Load: 11.0 t ADT: 9,212
ROOSEVELT FERRY RD
FairOver: BURLINGTON NORTHERN R.R.
0.34 JCT SR 14, Klickitat, WA
Built 1966 Load: 11.0 t ADT: 178
86TH ST SE
FairOver: PILCHUCK RIVER
0.7 SE JCT SR 2, Snohomish, WA
Built 1924 Load: 11.0 t ADT: 421
DANAHER/4450
FairOver: DRY CREEK
3.08 MI SE BLACKWELL, Whitman, WA
Built 1977 Load: 11.0 t ADT: 347
PINECTY-MALDN/3000
FairOver: COTTONWOOD CREEK
2.04 MI NE SR 23, Whitman, WA
Built 1965 Load: 11.0 t ADT: 430
ADAMS STREET
FairOver: ESQUATZEL COULEE
0.0 E JCT N 2ND AV, Franklin, WA
Built 1966 Load: 11.3 t ADT: 431
FARM ACCESS
FairOver: West Canal
West Canal W26C Lateral, Grant, WA
Built 2004 Load: 11.3 t ADT: 20
FARM FIELD ACCESS
FairOver: ROCKY COULEE DRAIN WASTE
NR MOSES LAKE, WA, Grant, WA
Built 1948 Load: 11.3 t ADT: 5
W NORTH BEND WAY
FairOver: S FORK SNOQUALMIE RIVER
3.2 MI E OF I-90, King, WA
Built 1941 Load: 11.3 t ADT: 6,500
SUNNYSIDE ROAD
FairOver: WHITE SALMON RIVER
1.38 NE JCT SR 141, Klickitat, WA
Built 1972 Load: 11.3 t ADT: 292
LAST CHANCE RD
FairOver: MILL CREEK
02.15 N FROG HOLLOW, Walla Walla, WA
Built 1977 Load: 11.3 t ADT: 681
SUMAS AVE
FairOver: JOHNSON CR
0.15 N FRONT ST, Whatcom, WA
Built 1970 Load: 11.3 t ADT: 926
TIETON RESERVOIRRD
FairOver: TIETON RIVER
00.10 S SR 12, Yakima, WA
Built 1958 Load: 11.3 t ADT: 809
OLD GOLDENDALE RD.
FairOver: TOPPENISH CREEK
00.73 S MARIONDRAIN, Yakima, WA
Built 1948 Load: 11.3 t ADT: 140
NE 68TH ST
FairOver: MATNEY CREEK
0.4E OF NE217 AVE, Clark, WA
Built 1938 Load: 11.7 t ADT: 807
COUNTY HIGHWAY
FairOver: POTHOLES EAST CANAL
0.11 E JCT 903, Franklin, WA
Built 1954 Load: 11.7 t ADT: 943
U PEOH POINT ROAD
FairOver: HILINE CANAL
01.64 W MARKOVICH R, Kittitas, WA
Built 1988 Load: 11.7 t ADT: 701
BAKER LK RD
FairOver: ROCKY CR
0.52 N SKAGIT LINE, Whatcom, WA
Built 1956 Load: 11.7 t ADT: 917
DUFFY ROAD
FairOver: SULPHER CREEK WASTEWAY
00.11 NW SR 241, Yakima, WA
Built 1970 Load: 11.7 t ADT: 141
MEYERS RD.
FairOver: WANITY SLOUGH
00.09 S CHAMBERS RD, Yakima, WA
Built 1965 Load: 11.7 t ADT: 16
WILLIAMS CREEK RD
FairOver: WILLIAMS CREEK
1.3 W JCT CR 9641, Grays Harbor, WA
Built 1973 Load: 11.8 t ADT: 146
MCGRAW ST
FairOver: RAVINE
McGRAW ST & 3RD AVE N, King, WA
Built 1935 Load: 11.8 t ADT: 3,000
E INTERLAKEN BLVD
FairOver: 26TH AVE E
26TH AVE E & INTERLAKEN, King, WA
Built 1912 Load: 11.8 t ADT: 200
PIPELINE ROAD
FairOver: LITTLE KLICKITAT RIVER
0.2 NW JCT SR 142, Klickitat, WA
Built 1965 Load: 11.8 t ADT: 1,200
SR 548
FairOver: DAKOTA CREEK
11.5 W JCT I-5, Whatcom, WA
Built 1930 Load: 11.8 t ADT: 7,586
SR 20
FairOver: DECEPTION PASS
25.4 E JCT SR 525, Island, WA
Built 1935 Load: 12.0 t ADT: 18,339
SR 14
FairOver: BN RR
18.7 E CLARK CO, Skamania, WA
Built 1978 Load: 12.0 t ADT: 4,851
SR 14
FairOver: ROCK CR
22.1 E CLARK CO, Skamania, WA
Built 1938 Load: 12.0 t ADT: 6,378
I-90
FairOver: CITY STREETS
0.8 E JCT US 195, Spokane, WA
Built 1967 Load: 12.0 t ADT: 97,890
APP/GOLF CRS. 1020
FairOver: HANGMAN CREEK
1.70 MI SE FARMINGTON, Whitman, WA
Built 1963 Load: 12.0 t ADT: 20
ESTES/5300
FairOver: BRANCH FOUR MILE CREEK
00.20 MI E SR 27, Whitman, WA
Built 1973 Load: 12.0 t ADT: 123
BEAUDRY ROAD
FairOver: MOXEE DRAIN
00.05 S BEAUCHENE, Yakima, WA
Built 1971 Load: 12.0 t ADT: 290
HARTFORD ROAD
FairOver: ROZA POWER WASTEWAY
00.25 W BUTTERFIELD, Yakima, WA
Built 1964 Load: 12.0 t ADT: 630
COUNTY ROAD
FairOver: POTHOLES EAST CANAL
0.79W LANGFORD 605, Franklin, WA
Built 1957 Load: 12.3 t ADT: 105
I-5
FairOver: KING-JACKSON ST
0.3 N JCT I-90, King, WA
Built 1965 Load: 12.3 t ADT: 69,913
SR 231
FairOver: SPOKANE RIVER
13.6 N JCT US 2, Lincoln, WA
Built 1949 Load: 12.3 t ADT: 1,069
Showing 1,401-1,450 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 |