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 EB
FairOver: BUS DEPOT,PED PATH,BLDNS
0.2 W JCT I-5, King, WA
Built 2003 Load: 41.7 t ADT: 19,194
S LUCILE ST
FairOver: RR TRACKS
S Lucile St & Airport Way, King, WA
Built 1981 Load: 41.7 t ADT: 10,511
I-90
FairOver: W SPARKS RD
14.3 E JCT SR 906, Kittitas, WA
Built 1975 Load: 41.7 t ADT: 16,546
LABREE ROAD
FairOver: NEWAUKUM RIVER
1.0 S CHEHALIS, Lewis, WA
Built 1970 Load: 41.7 t ADT: 750
LOWE ROAD
FairOver: COAL CREEK
0.29 E SR28, Lincoln, WA
Built 1917 Load: 41.7 t ADT: 50
LITTLE SPOKANE DR.
FairOver: LITTLE SPOKANE RIVER
1.2 E PSH NO 395, Spokane, WA
Built 1961 Load: 41.7 t ADT: 2,456
SR 507
FairOver: DESCHUTES RIVER
15.0 N LEWIS CO, Thurston, WA
Built 1943 Load: 41.7 t ADT: 5,063
US 12
FairOver: BORELSKE STAD MAINT RD
1.7 E JCT SR 125 SPUR, Walla Walla, WA
Built 1971 Load: 41.7 t ADT: 13,909
I-5
FairOver: ORCHID DR/SQUALICUM CR
0.6 N JCT SR 542, Whatcom, WA
Built 1958 Load: 41.7 t ADT: 37,086
SR 20
FairOver: THUNDER ARM BAY
13.8 E SKAGIT CO, Whatcom, WA
Built 1961 Load: 41.7 t ADT: 1,380
I-82
FairOver: EAST SELAH
2.4 E JCT SR 821, Yakima, WA
Built 1967 Load: 41.7 t ADT: 11,466
I-82
FairOver: EAST SELAH
2.4 E JCT SR 821, Yakima, WA
Built 1967 Load: 41.7 t ADT: 11,466
NO DATA ENTERED
FairOver: WYNOOCHEE RIVER
NO DATA ENTERED, Grays Harbor, WA
Built 1956 Load: 41.8 t ADT: 50
76 ST SW
FairOver: TAYLOR BAY
0.6 W JCT K PENNINSULA HW, Pierce, WA
Built 1957 Load: 41.8 t ADT: 75
BAY VIEW-EDISON RD
FairOver: BIG INDIAN SLOUGH
0.4 N JCT SR20, Skagit, WA
Built 1992 Load: 41.8 t ADT: 1,176
NO DATA ENTERED
FairOver: TRIBUTARY TO QUARTZ CK
NO DATA ENTERED, Skamania, WA
Built 2004 Load: 41.8 t ADT: 50
MASSEY RD
FairOver: SUMAS RIVER
00.2 E NOOKSACK RD., Whatcom, WA
Built 1950 Load: 42.1 t ADT: 326
GILES RD
FairOver: DAKOTA CR
.10 MI S OF MCGEE, Whatcom, WA
Built 1995 Load: 42.1 t ADT: 275
GLADE NORTH
FairOver: ESQUATZEL CANAL
0.74S JCT R 916, Franklin, WA
Built 1964 Load: 42.4 t ADT: 2,331
STARFIRE WAY
FairOver: GREEN RIVER
0.1 MI NW FORT DENT WAY, King, WA
Built 1975 Load: 42.4 t ADT: 1,150
PRAIRIE RD
FairOver: SAMISH RIVER
0.5 W JCT SR 9, Skagit, WA
Built 1956 Load: 42.4 t ADT: 894
SR 223
FairOver: YAKIMA RIVER
2.5 N JCT SR 22, Yakima, WA
Built 1967 Load: 42.4 t ADT: 7,292
EVANS RD.
FairOver: WAPATO CANAL
00.12 W N HARRAH RD, Yakima, WA
Built 1968 Load: 42.4 t ADT: 239
I-82
FairOver: BN RY
13.7 E JCT SR 22, Benton, WA
Built 1973 Load: 42.6 t ADT: 11,474
I-82
FairOver: BN RY
13.6 E JCT SR 22, Benton, WA
Built 1973 Load: 42.6 t ADT: 11,474
NE 86TH AVENUE
FairOver: BURNT BRIDGE CREEK
0.3 M SOUTH OF BURTON RD, Clark, WA
Built 2001 Load: 42.6 t ADT: 6,610
I-90
FairOver: WEBER COULEE
10.7 E JCT SR 17, Grant, WA
Built 1967 Load: 42.6 t ADT: 5,894
I-90
FairOver: WEBER COULEE
10.7 E JCT SR 17, Grant, WA
Built 1967 Load: 42.6 t ADT: 5,894
I-5
FairOver: MILITARY RD
2.6 N JCT SR 18, King, WA
Built 1959 Load: 42.6 t ADT: 94,670
I-5
FairOver: MILITARY RD
4.4 N JCT SR 18, King, WA
Built 1960 Load: 42.6 t ADT: 94,670
I-90
FairOver: S FK SNOQUALMIE R
6.3 E JCT SR 202, King, WA
Built 1974 Load: 42.6 t ADT: 18,182
UNION HILL ROAD
FairOver: BEAR CREEK
0.1 W AVONDALE RD, King, WA
Built 1994 Load: 42.6 t ADT: 23,866
LAKE TAPPS PARKWAY
FairOver: E VALLEY HIGHWAY
LAKE TAPPS PKY @ E VALLEY, King, WA
Built 2003 Load: 42.6 t ADT: 17,243
US 12
FairOver: JOHNSON CR
13.3 E JCT SR 131, Lewis, WA
Built 1962 Load: 42.6 t ADT: 2,593
BAKER ROAD
FairOver: SMITH CREEK
3.0 SW PACKWOOD, Lewis, WA
Built 1936 Load: 42.6 t ADT: 23
LINCOLN CREEK RD
FairOver: LINCOLN CR.
0.02 E JCT 10008, Lewis, WA
Built 1997 Load: 42.6 t ADT: 269
SR 162
FairOver: S PRAIRIE CREEK
11.6 E JCT SR 410, Pierce, WA
Built 1969 Load: 42.6 t ADT: 8,532
SR 525
FairOver: MAPLE RD & ASH WAY
0.4 N JCT I-5, Snohomish, WA
Built 1983 Load: 42.6 t ADT: 32,482
MUKILTEO BLVD
FairOver: GLENWOOD CREEK
0.1 W JCT GLENWOOD AVE, Snohomish, WA
Built 1979 Load: 42.6 t ADT: 3,083
US 395
FairOver: LITTLE SPOKANE R
0.2 N JCT US 395 SPUR, Spokane, WA
Built 1994 Load: 42.6 t ADT: 11,014
ROCKY CREEK ROAD
FairOver: SOUTH FORK DEEP CREEK
.11 E. OF ALADDIN RD., Stevens, WA
Built 1955 Load: 42.6 t ADT: 40
INDEPENDENCE ROAD
FairOver: CHEHALIS RIVER
Over the Chehalis River, Thurston, WA
Built 1976 Load: 42.6 t ADT: 1,409
SR 272
FairOver: BNRR (ABANDONED)
16.4 E JCT US 195, Whitman, WA
Built 1972 Load: 42.6 t ADT: 614
FIRST AVENUE NW
FairOver: DRY CREEK
0.4 W SR 28, Grant, WA
Built 1948 Load: 42.8 t ADT: 5,280
SR 262
FairOver: O'SULLIVAN DAM OUTLET
16.6 N JCT SR 26, Grant, WA
Built 1973 Load: 42.8 t ADT: 1,559
H STREET RD
FairOver: BERTRAND CR.
00.3 W JACKMAN RD., Whatcom, WA
Built 1995 Load: 42.8 t ADT: 1,248
IRR BIA RTE 66
FairOver: LOONEY CREEK
N.W. END OF BIA RT. 66, Okanogan, WA
Built 2001 Load: 42.9 t ADT: 50
COUNTY ROAD 2090
FairOver: JOSEPH CREEK
1.0 MI NO ORE LINE, Asotin, WA
Built 1972 Load: 43.1 t ADT: 7
SOUTHCENTER BLVD
FairOver: GREEN RIVER
0.12 MI E INTRURBAN AVE S, King, WA
Built 1994 Load: 43.1 t ADT: 10,616
SR 20
FairOver: BAKER RIVER
23.6 E JCT SR 9, Skagit, WA
Built 1972 Load: 43.1 t ADT: 4,909
Showing 4,251-4,300 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 |