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
COUNTY ROAD 3797
FairOver: TUNK CREEK
4.7 MI.N.RIVERSIDE, Okanogan, WA
Built 1973 Load: 16.2 t ADT: 76
East 11th Street
FairOver: HYLEBOS WATERWAY
4.2 N JCT I-5, Pierce, WA
Built 1939 Load: 16.2 t ADT: 1,000
OLD HWY 99 NORTH
FairOver: SAMISH RIVER
2.6 N JCT COOK RD., Skagit, WA
Built 1934 Load: 16.2 t ADT: 3,113
SR 206
FairOver: DEADMAN CR NO 1
6.7 E JCT US 2, Spokane, WA
Built 1954 Load: 16.2 t ADT: 1,446
SR 22
FairOver: SLOUGH OF YAKIMA R
0.7 E JCT I-82, Yakima, WA
Built 1935 Load: 16.2 t ADT: 9,070
GOLF COURSE ROAD
FairOver: DRY WASH
00.02 W GOLF COURSE, Yakima, WA
Built 1918 Load: 16.2 t ADT: 500
FERN LOOP
FairOver: CID CANAL
JCT FERN LP/GROSSCUP BLVD, Benton, WA
Built 1980 Load: 16.3 t ADT: 228
BARNES DR
FairOver: HILL CREEK
4.10 N of I-5 Exit 32, Cowlitz, WA
Built 1923 Load: 16.3 t ADT: 300
E.2 RD SW
FairOver: WEST CANAL
E.3 .3 S of Frenchman, Grant, WA
Built 1959 Load: 16.3 t ADT: 59
8 RD NW
FairOver: WEST CANAL
8 NW .7 W of R NW, Grant, WA
Built 1953 Load: 16.3 t ADT: 253
SR 20 EXTENSION
FairOver: KEYSTONE HARBOR
3.4 W JCT SR 525, Island, WA
Built 1979 Load: 16.3 t ADT: 1,863
FERRY TRAFFIC
FairOver: PUGET SOUND @ TAHLEQUAH
SO. END VASHON IS, King, WA
Built 1994 Load: 16.3 t ADT: 1,106
WILLIAMS AVE
FairOver: CEDAR RIVER
0.2 M N OF SR 900, King, WA
Built 1954 Load: 16.3 t ADT: 1,825
SR 304
FairOver: SINCLAIR INLET
0.4 E JCT SR 303, Kitsap, WA
Built 1990 Load: 16.3 t ADT: 3,600
SR104
FairOver: APPLE TREE COVE
9.1 E JCT SR 3, Kitsap, WA
Built 1952 Load: 16.3 t ADT: 3,866
SR 305
FairOver: PUGET SOUND @ EAGLE HRBR
BAINBRIDGE ISLAND, Kitsap, WA
Built 2006 Load: 16.3 t ADT: 3,052
CLARKE ROAD
FairOver: DRY CREEK
00.23 E US 97, Kittitas, WA
Built 1960 Load: 16.3 t ADT: 58
THOMAS ROAD
FairOver: NANEUM CREEK
00.57 W NANEUM ROAD, Kittitas, WA
Built 1955 Load: 16.3 t ADT: 276
NORTHWESTERN LK RD
FairOver: WHITE SALMON RIVER
00.29 W JCT SR141, Klickitat, WA
Built 1957 Load: 16.3 t ADT: 524
GLENWOOD ROAD
FairOver: WHITE SALMON RIVER
0.1 E JCT SR 141, Klickitat, WA
Built 1957 Load: 16.3 t ADT: 278
YEW ST
FairOver: CHINA CREEK
.3 N JCT. SR 507, Lewis, WA
Built 1944 Load: 16.3 t ADT: 4,563
NORTH RIVER VALLEY
FairOver: FALL RIVER
2.6 S GRAY HAR CO, Pacific, WA
Built 1953 Load: 16.3 t ADT: 128
TACOMA-VASHON TRAF
FairOver: PUGET SOUND
PT DEFIANCE-TACOMA, Pierce, WA
Built 1994 Load: 16.3 t ADT: 2,330
8 AV S
FairOver: MUCK CREEK
2.8 S JCT SR 507, Pierce, WA
Built 1947 Load: 16.3 t ADT: 4,450
STEILACOOM BLVD SW
FairOver: CHAMBERS CREEK
1.0 W BRIDGEPORT, Pierce, WA
Built 1939 Load: 16.3 t ADT: 24,453
EXTENSION OF SR 20
FairOver: UPRIGHT CHANNEL
N END LOPEZ ISLAND, San Juan, WA
Built 1981 Load: 16.3 t ADT: 1,349
FERRY TRAFFIC
FairOver: BLIND BAY
BLIND BAY-SAN JUAN, San Juan, WA
Built 2004 Load: 16.3 t ADT: 308
SR 104
FairOver: PUGET SOUND @ EDMONDS
0.1 W JCT SR 524, Snohomish, WA
Built 1995 Load: 16.3 t ADT: 5,870
HOLMES ISD RD
FairOver: LONG LAKE
OVER LONG LAKE, Thurston, WA
Built 1962 Load: 16.3 t ADT: 177
ASSINK RD
FairOver: FISHTRAP CR
00.1 MI N PANGBORN, Whatcom, WA
Built 1949 Load: 16.3 t ADT: 195
LOOMIS TRAIL RD
FairOver: BERTRAND CR
00.6 W BERTHUSEN RD, Whatcom, WA
Built 1938 Load: 16.3 t ADT: 1,839
GARRISON RD
FairOver: SUMAS RIVER
00.2 N LINDSAY RD., Whatcom, WA
Built 1935 Load: 16.3 t ADT: 252
VAN BUREN RD
FairOver: JOHNSON CR
0.6 mi. N LINDSAY RD, Whatcom, WA
Built 1950 Load: 16.3 t ADT: 1,031
SR 26
FairOver: CMSTPP RR
9.3 E GRANT CO, Adams, WA
Built 1956 Load: 16.5 t ADT: 7,237
C.C.B.
FairOver: C.I.D. CANAL
00.1 S SR240, Benton, WA
Built 1970 Load: 16.5 t ADT: 36,358
I-5
FairOver: COLUMBIA RIVER
OREGON LINE, Clark, WA
Built 1958 Load: 16.5 t ADT: 57,550
COUNTY ROAD
FairOver: ELTOPIA BRANCH CANAL
0.01 S. of CRESTLOCH 870, Franklin, WA
Built 1965 Load: 16.5 t ADT: 98
COUNTY ROAD
FairOver: ELTOPIA BRANCH CANAL
0.46 E HOOPER 617, Franklin, WA
Built 1965 Load: 16.5 t ADT: 34
MAINTENANCE ROAD
FairOver: WEST CANAL W39.9
West Canal W39.9 Station, Grant, WA
Built 2016 Load: 16.5 t ADT: 10
SO. FRONTAGE RD
FairOver: WEBER COULEE
S Frontage 1.4 E of U SE, Grant, WA
Built 1938 Load: 16.5 t ADT: 66
I-5
FairOver: TERRAIN
4.5 N JCT SR 516, King, WA
Built 1966 Load: 16.5 t ADT: 112,452
VASHON HWY SW
FairOver: JUDD CREEK
M.P. 5.6 VASHON HWY SW, King, WA
Built 1953 Load: 16.5 t ADT: 4,818
16TH AVE S
FairOver: MCSORELY CREEK
1.5 MI N OF HW-99, King, WA
Built 1951 Load: 16.5 t ADT: 10,000
TEAGUE ROAD
FairOver: LINCOLN CREEK
5.0 W CENTRALIA, Lewis, WA
Built 1964 Load: 16.5 t ADT: 43
US 101
FairOver: HAMMA HAMMA RIVER
5.1 S JEFFERSON CO, Mason, WA
Built 1924 Load: 16.5 t ADT: 2,489
I-5
FairOver: RAILROAD - LAUNDRY SPUR
3.7 N THURSTON CO, Pierce, WA
Built 1957 Load: 16.5 t ADT: 124,570
FRYAR AV
FairOver: WHITE RIVER
1.1 N JCT SR 410, Pierce, WA
Built 1949 Load: 16.5 t ADT: 2,056
LYMAN HAMILTON HWY
FairOver: MANNSER CREEK
0.17 W JCT HAMIL CEM RD, Skagit, WA
Built 1954 Load: 16.5 t ADT: 260
PLEASANT ST
FairOver: YELLOWHAWK CREEK
00.27E SCHOOL AVE, Walla Walla, WA
Built 1923 Load: 16.5 t ADT: 750
BARRETT RD
FairOver: BARRETT CREEK
0.4 N W AXTON RD, Whatcom, WA
Built 1969 Load: 16.5 t ADT: 1,316
Showing 1,701-1,750 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 |