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
SCHMID ROAD
GoodOver: DRAINAGE CANAL
SCHMID ROAD MP 0.5, Grays Harbor, WA
Built 2010 Load: 49.9 t ADT: 91
SR 203
GoodOver: SLOUGH
1.8 N JCT SR 202, King, WA
Built 1986 Load: 49.9 t ADT: 7,622
SR 18 RAMP
GoodOver: HOLDER CR & HOBART RD
4.6 E JCT SR 169, King, WA
Built 1996 Load: 49.9 t ADT: 912
ISSAQUAH-HOBART RD
GoodOver: HOLDER CREEK
4.6 E JCT SR 169, King, WA
Built 1996 Load: 49.9 t ADT: 8,691
SR 18
GoodOver: TAYLOR CREEK
1.6 E JCT SR 169, King, WA
Built 2005 Load: 49.9 t ADT: 16,302
S 373RD ST
GoodOver: HYLEBOS CREEK
0.25 MI E OF SR-99, King, WA
Built 2007 Load: 49.9 t ADT: 900
HUNTER ROAD SW
GoodOver: HUGE CREEK
0.09 WEST OF GLENWOOD RD, Kitsap, WA
Built 2012 Load: 49.9 t ADT: 884
ROAD
GoodOver: GALE CREEK
KACHESS CAMPGROUND, Kittitas, WA
Built 1948 Load: 49.9 t ADT: 50
DOUGLAS ROAD 4110
GoodOver: CORBETT CREEK
2.35 SW SR 174, Lincoln, WA
Built 1992 Load: 49.9 t ADT: 65
SR 162
GoodOver: S PRAIRIE CR
13.1 E JCT SR 410, Pierce, WA
Built 1969 Load: 49.9 t ADT: 8,532
BEAVER POND DR N
GoodOver: UNNAMED CREEK
AT JCT PARKVEIW LN, Skagit, WA
Built 2002 Load: 49.9 t ADT: 300
NO DATA ENTERED
GoodOver: TROUT CREEK
NO DATA ENTERED, Skamania, WA
Built 2004 Load: 49.9 t ADT: 70
US 2 RAMP
GoodOver: HEWITT AVENUE
4.4 N JCT SR 526, Snohomish, WA
Built 2006 Load: 49.9 t ADT: 24,682
TOTEM BEACH RD
GoodOver: MISSION CREEK
5.4 MI W JCT I-5, Snohomish, WA
Built 1989 Load: 49.9 t ADT: 1,224
RUSSELL RD
GoodOver: PILCHUCK RIVER
3.1 S JCT SR92, Snohomish, WA
Built 1996 Load: 49.9 t ADT: 773
188 SW
GoodOver: OVERFLOW CHANNEL
2nd Bridge E of Casino, Thurston, WA
Built 2002 Load: 49.9 t ADT: 1,114
REEDER ROAD N
GoodOver: BEAVER CREEK
.13 m N of Maytown Rd, Thurston, WA
Built 2021 Load: 49.9 t ADT: 10
SR 542
GoodOver: BOULDER CR
5.5 E JCT SR 547, Whatcom, WA
Built 2007 Load: 49.9 t ADT: 1,903
SR 410
GoodOver: AMERICAN RIVER
14.3 E PIERCE CO, Yakima, WA
Built 1989 Load: 49.9 t ADT: 709
S. FIRST ST
GoodOver: SNIPES MTN LATERAL CANAL
0.01 S SW CRESCENT, Yakima, WA
Built 1997 Load: 49.9 t ADT: 2,670
Meyers Rd N
GoodOver: Yakima River Branch
0.28 N Fraley Rd, Yakima, WA
Built 2017 Load: 49.9 t ADT: 7,050
LAMOINE RD
GoodOver: DOUGLAS CREEK DRAINAGE
23.26N 23E, Douglas, WA
Built 1995 Load: 50.2 t ADT: 300
FORREST ROAD
GoodOver: GARRARD CREEK
O.1 MI S OF GARRARD CR RD, Grays Harbor, WA
Built 2009 Load: 50.2 t ADT: 38
TINKHAM ROAD
GoodOver: S.FK. SNOQUALMIE
I90 EAST EXIT 42, King, WA
Built 1972 Load: 50.2 t ADT: 120
FIR STREET
GoodOver: OLEQUA CREEK
0.02 W SR 603, Lewis, WA
Built 2018 Load: 50.2 t ADT: 1,199
SOUTH FORK COPPEI
GoodOver: NORTH FORK COPPEI CREEK
0.008 W COPPEI RD, Walla Walla, WA
Built 1997 Load: 50.2 t ADT: 71
POMONA RD.,E.
GoodOver: ROZA CANAL
0.30 W. OF SR 821, Yakima, WA
Built 1996 Load: 50.2 t ADT: 160
MEYERS RD., N.
GoodOver: YAKIMA RIVER
00.59 N FRALEY ROAD, Yakima, WA
Built 2017 Load: 50.2 t ADT: 6,750
US 101
GoodOver: SIEBERT CREEK
9.9 E JCT SR 117, Clallam, WA
Built 2021 Load: 50.5 t ADT: 10,039
NO DATA ENTERED
GoodOver: SHERMAN CREEK
NO DATA ENTERED, Ferry, WA
Built 2000 Load: 50.5 t ADT: 2
S 218TH STREET
GoodOver: GARRISON CREEK
0.25 MI E of SR 167, King, WA
Built 2019 Load: 50.5 t ADT: 3,000
NO DATA ENTERED
GoodOver: BENHAM CREEK
16 MILES SOUTH OF HWY 12, Lewis, WA
Built 2012 Load: 50.5 t ADT: 650
CORBETT DRAW ROAD
GoodOver: CORBETT CREEK
0.46 MI N SR 2, Lincoln, WA
Built 2004 Load: 50.5 t ADT: 50
ELOCHOMAN VALLEY R
GoodOver: DUCK CREEK
5.4 N JCT SR 4, Wahkiakum, WA
Built 1980 Load: 50.5 t ADT: 560
MILL CREEK RD
GoodOver: BLUE CREEK
0.05 S OF BLUE CREEK RD, Walla Walla, WA
Built 2019 Load: 50.5 t ADT: 843
MAINTENANCE ROAD
GoodOver: WEST CANAL
Dry Coulee Siphon 2 Inlet, Grant, WA
Built 1946 Load: 50.7 t ADT: 5
SR 112
GoodOver: CLALLAM RIVER
18.5 E MAKAH RES, Clallam, WA
Built 1970 Load: 50.8 t ADT: 1,752
W LAKE PLEASANT RD
GoodOver: LAKE CREEK
00.38 N JCT US101, Clallam, WA
Built 1993 Load: 50.8 t ADT: 293
BURROWS ROAD
GoodOver: JESSIE SLOUGH
0.8 W JCT SR 109, Grays Harbor, WA
Built 1987 Load: 50.8 t ADT: 130
ROAD
GoodOver: TWIN CAMPS CREEK
6.3 MI W OF TACOMA PASS, King, WA
Built 1966 Load: 50.8 t ADT: 14
SR 505
GoodOver: CEDAR CREEK
10.6 E JCT I-5, Lewis, WA
Built 1962 Load: 50.8 t ADT: 647
NO DATA ENTERED
GoodOver: BIG CREEK
NO DATA ENTERED, Lewis, WA
Built 2007 Load: 50.8 t ADT: 99
TELEGRAPH ROAD
GoodOver: COON CREEK
3.0 SW TOLEDO, Lewis, WA
Built 1954 Load: 50.8 t ADT: 102
FAIRFAX FOREST RD
GoodOver: POCH CREEK
5.1 SE JCT SR 165, Pierce, WA
Built 1996 Load: 50.8 t ADT: 300
ORVILLE RD E
GoodOver: PUYALLUP RIVER
3.4 S JCT SR 162, Pierce, WA
Built 1998 Load: 50.8 t ADT: 5,225
FARM TO MARKET RD
GoodOver: DRAINAGE DITCH
0.1 N SR 20, Skagit, WA
Built 1999 Load: 50.8 t ADT: 3,124
NO DATA ENTERED
GoodOver: PELVY CREEK
FROM CHELATCHIE PRAIRIE T, Skamania, WA
Built 1982 Load: 50.8 t ADT: 10
23RD DR SE
GoodOver: WETLAND
0.2 E JCT SR 527, Snohomish, WA
Built 2003 Load: 50.8 t ADT: 144
US 101 SB
GoodOver: DESCHUTES PARKWAY
5.8 E JCT SR 8, Thurston, WA
Built 1987 Load: 50.8 t ADT: 30,207
SR 539
GoodOver: TEN MILE CREEK
5.8 N JCT I-5, Whatcom, WA
Built 2008 Load: 50.8 t ADT: 19,199
Showing 7,701-7,750 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 |