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
US 101
GoodOver: LOST CREEK
22.4 N GRAYS HBR CO, Jefferson, WA
Built 1999 Load: 49.0 t ADT: 1,183
I-5 NB HOV
GoodOver: SOUTHCENTER BLVD
JCT I-405 & SR 518, King, WA
Built 1996 Load: 49.0 t ADT: 6,776
I-405
GoodOver: NE 116TH ST
5.0 N JCT SR 520, King, WA
Built 2007 Load: 49.0 t ADT: 80,878
I-405
GoodOver: NE 116TH ST
5.0 N JCT SR 520, King, WA
Built 2006 Load: 49.0 t ADT: 80,878
SB I-405 RAMP
GoodOver: BENSON ROAD
0.4 N JCT SR 515, King, WA
Built 2010 Load: 49.0 t ADT: 11,338
ROAD
GoodOver: UNNAMED CREEK
1.7 MI W OF 5403/5405 JCT, King, WA
Built 1995 Load: 49.0 t ADT: 10
ROAD
GoodOver: BOLT CREEK
SEC.24, T26N, R11E, King, WA
Built 1997 Load: 49.0 t ADT: 75
ROAD
GoodOver: HARLAN CREEK
4.4 MI N OF HWY 2/65 JCT, King, WA
Built 1991 Load: 49.0 t ADT: 114
ROAD
GoodOver: BURNS CREEK
0.24 MI S OF 68/6835 JCT, King, WA
Built 1999 Load: 49.0 t ADT: 60
LAKE WA BLVD
GoodOver: MAY CREEK
0.2 MILES SW I-405 EXIT 7, King, WA
Built 1996 Load: 49.0 t ADT: 5,478
SR 16
GoodOver: SIDNEY ROAD
7.6 N PIERCE CO, Kitsap, WA
Built 1977 Load: 49.0 t ADT: 26,702
SR 16
GoodOver: SIDNEY ROAD
7.6 N PIERCE CO, Kitsap, WA
Built 1977 Load: 49.0 t ADT: 26,702
WASHINGTON ROUTE 1
GoodOver: LAUGHINGWATER CREEK
2.6 MILES NORTH OF PARK B, Lewis, WA
Built 1994 Load: 49.0 t ADT: 1,375
NO DATA ENTERED
GoodOver: CABIN CREEK
NO DATA ENTERED, Mason, WA
Built 1993 Load: 49.0 t ADT: 75
Cloquallum Road
GoodOver: CLOQUALLUM CREEK
2.31 S JCT Highland Rd, Mason, WA
Built 1996 Load: 49.0 t ADT: 627
SR 162
GoodOver: VOIGHTS CREEK
9.2 E JCT SR 410, Pierce, WA
Built 2004 Load: 49.0 t ADT: 8,532
134 ST S
GoodOver: CLOVER CREEK
.2 E JCT SR7, Pierce, WA
Built 1970 Load: 49.0 t ADT: 1,250
TULE LAKE AV S
GoodOver: CLOVER CREEK
1.0 W JCT SR7, Pierce, WA
Built 1967 Load: 49.0 t ADT: 65
NISQUALLY RD SW
GoodOver: BNSF RAILROAD OVERPASS
1.1 S JCT SR 5, Pierce, WA
Built 2004 Load: 49.0 t ADT: 13,225
SR 20
GoodOver: WISEMAN CREEK
4.5 E JCT SR 9, Skagit, WA
Built 1948 Load: 49.0 t ADT: 9,377
SR 20
GoodOver: ABANDONED RR
8.1 E ISLAND CO, Skagit, WA
Built 1962 Load: 49.0 t ADT: 17,952
NO DATA ENTERED
GoodOver: PINE CREEK
0.8 MI FROM JCT. FS RD 90, Skamania, WA
Built 1986 Load: 49.0 t ADT: 400
NO DATA ENTERED
GoodOver: NO DATA ENTERED
NO DATA ENTERED, Skamania, WA
Built 2005 Load: 49.0 t ADT: 30
SR 532
GoodOver: STILLAGUAMISH R / RR
0.5 E SNOHOMISH CO, Snohomish, WA
Built 2010 Load: 49.0 t ADT: 20,742
SR 9
GoodOver: EVERETT WATER MAIN
1.8 N JCT US 2, Snohomish, WA
Built 2009 Load: 49.0 t ADT: 20,638
INDEX-GALENA RD
GoodOver: LEWIS CREEK
2.2 NE JCT SR 2, Snohomish, WA
Built 2005 Load: 49.0 t ADT: 186
41st St.
GoodOver: BNSF RR & Maple St
0.1 E Jct I-5, Snohomish, WA
Built 2006 Load: 49.0 t ADT: 2,328
US 2
GoodOver: N FK DEEP CR LOWER X-ING
0.5 E LINCOLN CO, Spokane, WA
Built 1947 Load: 49.0 t ADT: 6,935
US 195
GoodOver: POWERS RD
7.0 N WHITMAN CO, Spokane, WA
Built 1973 Load: 49.0 t ADT: 4,652
LITTLE ROCK RD
GoodOver: BEAVER CREEK
6.9 JCT SR 12, Thurston, WA
Built 1951 Load: 49.0 t ADT: 3,577
US 12
GoodOver: CMSTPP RR
7.7 E GRAYS HBR CO, Thurston, WA
Built 2011 Load: 49.0 t ADT: 22,939
SR 539
GoodOver: FISHTRAP CREEK
2.7 N JCT SR 544, Whatcom, WA
Built 2008 Load: 49.0 t ADT: 16,600
MAIN STREET
GoodOver: FISHTRAP CREEK
0.2 W THIRD STREET, Whatcom, WA
Built 2014 Load: 49.0 t ADT: 6,039
SR 410
GoodOver: AMERICAN RIVER
14.9 E PIERCE CO, Yakima, WA
Built 1989 Load: 49.0 t ADT: 709
TWIN BRIDGES ROAD
GoodOver: YAKIMA RIVER
300' SW of SNIVELY ROAD, Benton, WA
Built 1997 Load: 49.2 t ADT: 2,465
S 228th STREET
GoodOver: UPRR
0.3 MI W OF SR-167, King, WA
Built 2021 Load: 49.2 t ADT: 2,200
NE WEST KINGSTON
GoodOver: CARPENTER CREEK
1.37 E JCT MILLER BAY RD, Kitsap, WA
Built 2017 Load: 49.2 t ADT: 4,709
J STREET
GoodOver: UNNAMED CREEK
0.07 SE JCT PARKVEIW LN, Skagit, WA
Built 2006 Load: 49.2 t ADT: 50
S. 16th Ave.
GoodOver: Wide Hollow Creek
0.16 mi S of Washington, Yakima, WA
Built 2008 Load: 49.2 t ADT: 7,500
NORTH FORK RD SE
GoodOver: N FORK SNOQUALMIE RIVER
14.8 MI N OF I-90, King, WA
Built 2008 Load: 49.6 t ADT: 60
Riverfront BLVD
GoodOver: Bigelow Creek
0.5 mi SE JCT 1-5/41st, Snohomish, WA
Built 2012 Load: 49.6 t ADT: 1,286
US 395
GoodOver: MARKET ST
6.9 N JCT I-90, Spokane, WA
Built 2012 Load: 49.6 t ADT: 5,804
COUNTY ROAD 2090
GoodOver: FISHERS GULCH
7.4 MI SO JCT RD 2040, Asotin, WA
Built 2009 Load: 49.9 t ADT: 176
I-82
GoodOver: SUNNYSIDE CANAL
3.0 E YAKIMA CO LN, Benton, WA
Built 1980 Load: 49.9 t ADT: 12,165
SR 112
GoodOver: JIM CREEK
8.9 E JCT SR 113, Clallam, WA
Built 2004 Load: 49.9 t ADT: 820
CAMP HAYDEN ROAD
GoodOver: SALT CREEK
0.44 MI N JCT SR 112, Clallam, WA
Built 1997 Load: 49.9 t ADT: 782
Blue Mt. Road
GoodOver: E. Fork Siebert Creek
Marmot Loop, Clallam, WA
Built 2006 Load: 49.9 t ADT: 48
US 395
GoodOver: O.M.COULEE/RUSSELL ROAD
21.6 N JCT I-182/SR 397, Franklin, WA
Built 1992 Load: 49.9 t ADT: 8,919
NO DATA ENTERED
GoodOver: ELK CREEK
NO DATA ENTERED, Grays Harbor, WA
Built 2003 Load: 49.9 t ADT: 50
DEVONSHIRE RD
GoodOver: HIGGINS SLOUGH
4.3 E JCT SR 12, Grays Harbor, WA
Built 1977 Load: 49.9 t ADT: 351
Showing 7,651-7,700 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 |