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
41st St.
GoodOver: Smith Avenue
0.01 Mi East Jct I-5, Snohomish, WA
Built 2006 Load: 32.7 t ADT: 2,328
137TH ST SE
GoodOver: STREAM
2.0 NW JCT SR 2, Snohomish, WA
Built 2023 Load: 32.7 t ADT: 150
US 2
GoodOver: LITTLE SPOKANE RIVER
7.9 E JCT SR 206, Spokane, WA
Built 1992 Load: 32.7 t ADT: 7,206
SR 290
GoodOver: SPOKANE RIVER
0.8 E JCT I-90, Spokane, WA
Built 2023 Load: 32.7 t ADT: 12,319
MONROE STREET
GoodOver: SPOKANE RIVER
00.60 N OF I-90, Spokane, WA
Built 1911 Load: 32.7 t ADT: 18,453
EUCLID ROAD
GoodOver: BNSF RR TRACKS
1.6 MI N TRAILS RD, Spokane, WA
Built 2023 Load: 32.7 t ADT: 578
SR 20
GoodOver: LITTLE PEND OREILLE R
16.2 E JCT US 395, Stevens, WA
Built 1965 Load: 32.7 t ADT: 759
OAKSHOTT ROAD
GoodOver: COLVILLE RIVER
.44 E JCT VALLEY-WESTSIDE, Stevens, WA
Built 1996 Load: 32.7 t ADT: 1,350
US 12
GoodOver: OVERFLOW CHANNEL
0.4 E GRAYS HBR CO, Thurston, WA
Built 1981 Load: 32.7 t ADT: 8,291
OLD HWY 410
GoodOver: PERRY CREEK
PARALLEL SR101, Thurston, WA
Built 1937 Load: 32.7 t ADT: 587
SR 544
GoodOver: NOOKSACK RIVER
7.6 E JCT SR 539, Whatcom, WA
Built 1994 Load: 32.7 t ADT: 9,956
DEPOT RD
GoodOver: FISHTRAP CR
0.6 N FRONT ST, Whatcom, WA
Built 1992 Load: 32.7 t ADT: 6,187
Aaron Drive
GoodOver: FISHTRAP CREEK
0.3 S SR 546, Whatcom, WA
Built 1999 Load: 32.7 t ADT: 2,536
SQUALICUM PKWY
GoodOver: SQUALICUM CR
0.1 MI N OF BIRCHWOOD AVE, Whatcom, WA
Built 2020 Load: 32.7 t ADT: 6,200
SR 26
GoodOver: WILLOW CR DRAINAGE AREA
11.5 E ADAMS CO, Whitman, WA
Built 1968 Load: 32.7 t ADT: 1,913
SR 26
GoodOver: WILLOW CREEK CULVERT
12.9 E ADAMS CO, Whitman, WA
Built 1968 Load: 32.7 t ADT: 1,913
4TH STREET
GoodOver: BRANCH OF MCCOY CREEK
0.01 N BARTLET ST, Whitman, WA
Built 1983 Load: 32.7 t ADT: 35
RAILROAD AVE
GoodOver: HANGMAN CREEK
0.15 S SR 27, Whitman, WA
Built 1992 Load: 32.7 t ADT: 300
STEPTOE CNY 9280
GoodOver: STEPTOE CREEK
6.14 MILES S OF RD 9270, Whitman, WA
Built 2023 Load: 32.7 t ADT: 3
IRR BIA RTE 94
GoodOver: TOPPENISH CREEK
7.2 KM SOUTH OF TOPPENISH, Yakima, WA
Built 1975 Load: 32.7 t ADT: 50
IRR BIA RTE 94
GoodOver: TOPPENISH CREEK
7.2 KM SOUTH OF TOPPENISH, Yakima, WA
Built 1975 Load: 32.7 t ADT: 50
REFUGE ROAD
GoodOver: TOPPENISH CREEK
1/4 MI N OF REFUGE OFFICE, Yakima, WA
Built 1998 Load: 32.7 t ADT: 5
US 97
GoodOver: LATERAL 3 IRR. CANAL
3.1 N JCT SR 22, Yakima, WA
Built 1965 Load: 32.7 t ADT: 12,095
US 97
GoodOver: LATERAL 2 IRR. CANAL
6.5 N JCT SR 22, Yakima, WA
Built 1991 Load: 32.7 t ADT: 14,724
US 97
GoodOver: LATERAL 2 IRR. CANAL
6.5 N JCT SR 22, Yakima, WA
Built 1991 Load: 32.7 t ADT: 14,724
US 12
GoodOver: WAPATOX CANAL OVERFLOW
0.4 E JCT SR 410, Yakima, WA
Built 1981 Load: 32.7 t ADT: 4,551
RAVEN ROOST
GoodOver: MID. FORK LITTLE NACHES
NEAR CROW CREEK CAMP, Yakima, WA
Built 1964 Load: 32.7 t ADT: 50
PIONEER WAY,N.
GoodOver: COWICHE CREEK
00.01 S MAHONEY RD, Yakima, WA
Built 1987 Load: 32.7 t ADT: 235
FULLBRIGHT RD.
GoodOver: AHTANUM CREEK
FULBRIGHT PARK, Yakima, WA
Built 1986 Load: 32.7 t ADT: 75
SR 101
GoodOver: LELAND CREEK
7.6 S JCT SR 104, Jefferson, WA
Built 2023 Load: 32.8 t ADT: 2,638
Park Road
GoodOver: Footbridge Trail
0.5 mi west of US 101, Jefferson, WA
Built 2023 Load: 32.8 t ADT: 75
SR 106
GoodOver: TWANOH CREEK
12.3 E JCT US 101, Mason, WA
Built 2023 Load: 32.8 t ADT: 2,309
Park Road
GoodOver: Seasonal Creek
1.0 mi. west of SR 121, Thurston, WA
Built 2014 Load: 32.8 t ADT: 75
Park Road
GoodOver: Creek
0.8 mi. west of SR 121, Thurston, WA
Built 2023 Load: 32.8 t ADT: 75
SR 539
GoodOver: DUFFNER DITCH
3.6 N JCT SR 544, Whatcom, WA
Built 2023 Load: 32.8 t ADT: 14,149
SR 542
GoodOver: SQUALICUM CREEK
3.4 E JCT I-5, Whatcom, WA
Built 2023 Load: 32.8 t ADT: 32,277
CEMETERY RD
GoodOver: USBR LATURAL EL68
00.49 MI E REYNOLDS, Adams, WA
Built 2008 Load: 33.0 t ADT: 235
NE 167TH AVE
GoodOver: SALMON CREEK
0.2S NE 199 ST, Clark, WA
Built 1963 Load: 33.0 t ADT: 1,481
4 SE
GoodOver: Irrigation Drainage
4 SE 0.35 East of M SE, Grant, WA
Built 2008 Load: 33.0 t ADT: 106
GEISSLER ROAD
GoodOver: WYNOOCHEE RIVER
00.0 SW JCT 9519, Grays Harbor, WA
Built 1995 Load: 33.0 t ADT: 300
KEAL ROAD
GoodOver: CEDAR CREEK
0.2 N of Copalis Bch Rd, Grays Harbor, WA
Built 2014 Load: 33.0 t ADT: 20
SOUTH BANK ROAD
GoodOver: EATON CREEK
1.3 W JCT 96540, Grays Harbor, WA
Built 2017 Load: 33.0 t ADT: 832
OLD TARBOO ROAD
GoodOver: TARBOO CREEK
0.88 E. JCT. CENTER ROAD, Jefferson, WA
Built 2005 Load: 33.0 t ADT: 50
REC PARKING AREA
GoodOver: CHANGE CREEK
0.8 SE JCT I-90, King, WA
Built 1953 Load: 33.0 t ADT: 33
NORVYDAN RD
GoodOver: TAYLOR CREEK
0.01 MI N OF SR-18, King, WA
Built 2005 Load: 33.0 t ADT: 1,600
SR 99
GoodOver: CITY STREETS & RAILROAD
3.3 N JCT SR 509, King, WA
Built 2011 Load: 33.0 t ADT: 25,232
YESLER WAY
GoodOver: 4TH AVE S
4th Ave S & Yesler Way, King, WA
Built 1909 Load: 33.0 t ADT: 8,000
4TH AVE NW
GoodOver: NORTH FORK ISSAQUAH CR
0.3 MI N OF GILMAN, King, WA
Built 2011 Load: 33.0 t ADT: 5,500
HOLLY ROAD
GoodOver: BIG BEEF CREEK
0.7 E JCT SEABECK HOLLY R, Kitsap, WA
Built 1995 Load: 33.0 t ADT: 4,400
SR 97
GoodOver: MILL CREEK
9.5 N JCT SR 970, Kittitas, WA
Built 2018 Load: 33.0 t ADT: 5,697
Showing 6,251-6,300 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 |