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
SR 6
GoodOver: FERN CREEK
16.8 E JCT US 101, Pacific, WA
Built 1962 Load: 33.6 t ADT: 1,561
DOYLE ROAD
GoodOver: NORTH FORK WILLAPA RIVER
0.07 N JCT SR 6, Pacific, WA
Built 1994 Load: 33.6 t ADT: 49
SR 167
GoodOver: STEWART RD SE
3.6 N JCT SR 410, Pierce, WA
Built 1977 Load: 33.6 t ADT: 42,516
SR 162
GoodOver: CARBON RIVER
10.8 E JCT SR 410, Pierce, WA
Built 1992 Load: 33.6 t ADT: 8,532
NO DATA ENTERED
GoodOver: ALEC CREEK
16.3 MILES NE OF JCT. FS, Skamania, WA
Built 1969 Load: 33.6 t ADT: 99
SR 9
GoodOver: RR & CITY STREETS
2.8 N JCT SR 531, Snohomish, WA
Built 1961 Load: 33.6 t ADT: 12,237
US 2
GoodOver: STREAM
25.2 E JCT SR 203, Snohomish, WA
Built 1986 Load: 33.6 t ADT: 5,659
MARSH RD
GoodOver: MARSHLAND FLOODWAY
1.4 W JCT SR 9, Snohomish, WA
Built 1994 Load: 33.6 t ADT: 9,049
SAUK PRAIRIE RD
GoodOver: SAUK RIVER
0.7 NE JCT SR 530, Snohomish, WA
Built 2008 Load: 33.6 t ADT: 801
PARKING ACCESS
GoodOver: LITTLE SPOKANE RIVER
RIVERSIDE PARK, Spokane, WA
Built 1989 Load: 33.6 t ADT: 25
MEADOWS ROAD
GoodOver: OVERFLOW CHANNEL
0.1 m SW of Prather Rd, Thurston, WA
Built 1995 Load: 33.6 t ADT: 12
HUNTER POINT RD NW
GoodOver: UNAMED CREEK
0.25 m W of Steamboat Rd, Thurston, WA
Built 2018 Load: 33.6 t ADT: 387
JONES ROAD
GoodOver: SALMON CREEK
0.47 m S of 93rd Ave SW, Thurston, WA
Built 2020 Load: 33.6 t ADT: 659
COLVILLE ST
GoodOver: MILL CREEK
COLVILLE AND MILL CR, Walla Walla, WA
Built 1920 Load: 33.6 t ADT: 5,139
SR 542
GoodOver: SMITH CREEK
0.6 E JCT SR 9, Whatcom, WA
Built 1948 Load: 33.6 t ADT: 9,002
US 195
GoodOver: JOHN WAYNE TRAIL
0.7 N JCT SR 271, Whitman, WA
Built 1975 Load: 33.6 t ADT: 4,476
SR 823
GoodOver: NACHES RIVER
0.3 N JCT US 12, Yakima, WA
Built 1999 Load: 33.6 t ADT: 5,230
SR 823
GoodOver: WCRR
0.4 N JCT I-82, Yakima, WA
Built 1999 Load: 33.6 t ADT: 17,558
S. FK. TIETON RD.
GoodOver: BEAR CREEK
TO CONRAD MEADOW, Yakima, WA
Built 1969 Load: 33.6 t ADT: 50
BATUM RD
GoodOver: YORK COULEE
00.60 MI N ROSENOFF, Adams, WA
Built 1979 Load: 33.7 t ADT: 91
BRIDGE ROAD
GoodOver: CID CANAL
00.02 E HARRINGTON, Benton, WA
Built 1970 Load: 33.7 t ADT: 80
WHISKEY CREEK ROAD
GoodOver: WHISKEY CREEK
1.6 MI S JCT 91060, Columbia, WA
Built 2003 Load: 33.7 t ADT: 100
12 TH STREET
GoodOver: PATAHA CREEK
0.1 S US12 ON 12TH, Garfield, WA
Built 1980 Load: 33.7 t ADT: 200
J RD SW
GoodOver: IRRIGATION LATERAL
J SW 0.7 North of 10 SW, Grant, WA
Built 1964 Load: 33.7 t ADT: 65
US 101
GoodOver: BOULDER CREEK
46.3 N JCT SR 109, Grays Harbor, WA
Built 1947 Load: 33.7 t ADT: 1,153
WISHKAH ROAD
GoodOver: CEDAR CREEK
8.4 N Wishkah School, Grays Harbor, WA
Built 2012 Load: 33.7 t ADT: 129
SR 116
GoodOver: KILISUT HARBOR
4.6 E JCT SR 19, Jefferson, WA
Built 2020 Load: 33.7 t ADT: 1,805
CLEARWATER ROAD
GoodOver: QUEETS RIVER
0.6N JCT SR101, Jefferson, WA
Built 1988 Load: 33.7 t ADT: 156
405 NE RAMP
GoodOver: NE RAMP OVER PED PATH
5.7 N JCT SR 900, King, WA
Built 2021 Load: 33.7 t ADT: 35,432
SE LAKE DOROTHY RD
GoodOver: SLIDE DEPRESSION
3.0 MI N OF I-90, King, WA
Built 2011 Load: 33.7 t ADT: 99
Spokane Street
GoodOver: Spokane Street
E Marginal and Spokane St, King, WA
Built 2012 Load: 33.7 t ADT: 10,000
SE 62ND STREET
GoodOver: ISSAQUAH CREEK
0.3 MI N OF I-90, King, WA
Built 2019 Load: 33.7 t ADT: 5,500
I-90
GoodOver: AVALANCHE RELIEF
3.3 E JCT SR 906, Kittitas, WA
Built 2016 Load: 33.7 t ADT: 17,475
I-90
GoodOver: AVALANCHE RELIEF
3.3 E JCT SR 906, Kittitas, WA
Built 2016 Load: 33.7 t ADT: 17,475
US 97
GoodOver: SWAUK CREEK
10.1 N JCT SR 970, Kittitas, WA
Built 2021 Load: 33.7 t ADT: 5,697
ROAD
GoodOver: HUCKLEBERRY CREEK
0.1 MI SW OF 73/7305 JCT, Pierce, WA
Built 2011 Load: 33.7 t ADT: 40
TACOMA AV E
GoodOver: WHITE RIVER
1.4 N JCT SR410, Pierce, WA
Built 1999 Load: 33.7 t ADT: 6,972
FINNEY CREEK ROAD
GoodOver: FINNEY CREEK
4.6 W CONC SAUK VALLEY RD, Skagit, WA
Built 1952 Load: 33.7 t ADT: 41
NO DATA ENTERED
GoodOver: EAST CANYON CREEK
21.2 MILES SOUTH-EAST OF, Skamania, WA
Built 2010 Load: 33.7 t ADT: 5
Barstow Bridge Roa
GoodOver: Kettle River
00.02 W JCT PierreLk rd, Stevens, WA
Built 2011 Load: 33.7 t ADT: 708
LOWDEN GARDENA RD
GoodOver: WALLA WALLA RIVER
0.32 S SR 12, Walla Walla, WA
Built 2010 Load: 33.7 t ADT: 375
WINONA SOUTH/6000
GoodOver: REBEL FLAT CREEK
0.17 MI S ENDICOTT, Whitman, WA
Built 1970 Load: 33.7 t ADT: 165
SOUTH ENDICTT/6140
GoodOver: REBEL FLAT CREEK
0.21 MI SW ENDICOTT, Whitman, WA
Built 1964 Load: 33.7 t ADT: 300
BIG ALKALI / 7005
GoodOver: ALKALI FLAT CREEK
7.44 MI NE LITTLE GSE DAM, Whitman, WA
Built 2011 Load: 33.7 t ADT: 128
KILE/3630
GoodOver: Thorn Creek
0.02 MI N Thorn Creek, Whitman, WA
Built 1988 Load: 33.7 t ADT: 25
SUNSET/3360
GoodOver: THORN CREEK
12.27 MI NE PNE CTY-MALDN, Whitman, WA
Built 2019 Load: 33.7 t ADT: 70
Nile Road
GoodOver: Nile Creek
1.75 SE SR-410, Yakima, WA
Built 2009 Load: 33.7 t ADT: 600
Forney Road
GoodOver: Cowiche Creek
0.02 E of Danner Road, Yakima, WA
Built 2019 Load: 33.7 t ADT: 1,034
GRAY RD
GoodOver: COW CREEK
00.42 MI S SR26, Adams, WA
Built 1995 Load: 34.0 t ADT: 33
ERICKSON ROAD
GoodOver: CID CANAL
00.50 E NINE CANYON, Benton, WA
Built 1982 Load: 34.0 t ADT: 80
Showing 6,351-6,400 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 |