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: SIMDARS RD
19.8 E JCT SR 117, Clallam, WA
Built 1999 Load: 59.0 t ADT: 15,569
W MILL PLAIN BLVD
GoodOver: BN RR
1.1 N JCT I-5, Clark, WA
Built 1999 Load: 59.0 t ADT: 7,119
BROOKLYN ROAD
GoodOver: GARRARD CREEK
0.03 N WILDERNESS ROAD, Grays Harbor, WA
Built 2011 Load: 59.0 t ADT: 167
US 2
GoodOver: BEAVER CREEK
2.0 E SNOHOMISH CO, King, WA
Built 1986 Load: 59.0 t ADT: 5,562
SR 18
GoodOver: 244TH AVE SE
1.2 E JCT SR 169, King, WA
Built 2006 Load: 59.0 t ADT: 16,302
EB SR 18 ON RAMP
GoodOver: TAYLOR CREEK
1.4 E JCT SR 169, King, WA
Built 2006 Load: 59.0 t ADT: 471
428TH AVE SE
GoodOver: MIDDLE FORK SNOQUALMIE R
2.1 MI E OF SR 202, King, WA
Built 1984 Load: 59.0 t ADT: 1,226
SR 142
GoodOver: BOWMAN CREEK
20.1 E JCT SR 14, Klickitat, WA
Built 2006 Load: 59.0 t ADT: 409
NO DATA ENTERED
GoodOver: WEST FORK TILTON
NO DATA ENTERED, Lewis, WA
Built 2005 Load: 59.0 t ADT: 50
NO DATA ENTERED
GoodOver: TACOMA CREEK
NO DATA ENTERED, Pend Oreille, WA
Built 1993 Load: 59.0 t ADT: 2
SR 16 S TO SPRAGUE
GoodOver: TERRAIN
0.37 W JCT I-5, Pierce, WA
Built 2010 Load: 59.0 t ADT: 5,861
PACIFIC HWY SW
GoodOver: SOUND TRANSIT RAILROAD
00.1 MI E GRAV LK, Pierce, WA
Built 1959 Load: 59.0 t ADT: 4,612
US 2
GoodOver: PILCHUCK R, MACHIAS RD
1.3 E JCT SR 9, Snohomish, WA
Built 1983 Load: 59.0 t ADT: 22,670
NB US 395
GoodOver: MARKET STREET
6.9 N JCT I-90, Spokane, WA
Built 2007 Load: 59.0 t ADT: 5,804
E-S RAMP
GoodOver: MARKET STREET
6.9 N JCT I-90, Spokane, WA
Built 2012 Load: 59.0 t ADT: 367
COURT STREET
GoodOver: CHEWELAH CREEK
0.08 W 2ND AVE, Stevens, WA
Built 2010 Load: 59.0 t ADT: 50
175 TH S.W.
GoodOver: OVERFLOW CHANNEL
0.6 m W of Moon Rd, Thurston, WA
Built 1997 Load: 59.0 t ADT: 77
US 12
GoodOver: MCNARY POOL
4.4 E JCT SR 124, Walla Walla, WA
Built 2004 Load: 59.0 t ADT: 14,240
NORTH FORK COPPEI
GoodOver: NORTH FORK COPPEI CREEK
3.872 SE COPPEI RD, Walla Walla, WA
Built 1997 Load: 59.0 t ADT: 22
E YAKIMA AVE
GoodOver: FAIR AVE
2.0 E JCT US 12, Yakima, WA
Built 1996 Load: 59.0 t ADT: 23,453
Chiwawa River Road
GoodOver: Chikamin Creek
Chiwawa River Road MP9.22, Chelan, WA
Built 2014 Load: 59.3 t ADT: 76
Stratford Rd
GoodOver: Crab Creek
.25 S of Hwy 28, Grant, WA
Built 2017 Load: 59.6 t ADT: 778
NE CARN. FARM RD
GoodOver: SLOUGH
0.2 MI W OF SR-203, King, WA
Built 1998 Load: 59.6 t ADT: 1,259
CHICO WAY NW
GoodOver: CHICO CREEK
0.8 N JCT KITSAP WAY, Kitsap, WA
Built 2009 Load: 59.6 t ADT: 5,362
NW STAVIS BAY ROAD
GoodOver: STAVIS CREEK
2.25 SW SEABECK, Kitsap, WA
Built 2011 Load: 59.6 t ADT: 711
DUNCAN SPRING/8020
GoodOver: REBEL FLAT CREEK
0.12 MI W ALMOTA, Whitman, WA
Built 1996 Load: 59.6 t ADT: 267
SR 202 WB
GoodOver: EVANS CREEK
2.4 E JCT SR 520, King, WA
Built 2006 Load: 59.9 t ADT: 14,868
NB SR 16
GoodOver: BURLEY-OLLALA RD
2.0 N PIERCE CO, Kitsap, WA
Built 2009 Load: 59.9 t ADT: 26,293
ROAD
GoodOver: CLE ELUM RIVER
NEAR CAMPGROUND ENTRANCE, Kittitas, WA
Built 2008 Load: 59.9 t ADT: 99
NO DATA ENTERED
GoodOver: JEFFERSON CREEK
NO DATA ENTERED, Mason, WA
Built 1986 Load: 59.9 t ADT: 10
Rue Creek Road
GoodOver: West Fork Rue Creek
1.99 SE JCT SR 6, Pacific, WA
Built 2017 Load: 59.9 t ADT: 108
Tacoma Creek Rd
GoodOver: Tacoma Creek
7 miles w/o Hwy 20, Pend Oreille, WA
Built 2007 Load: 59.9 t ADT: 75
SR 509 N-N RAMP
GoodOver: TERRAIN
JCT I-705, Pierce, WA
Built 1996 Load: 59.9 t ADT: 6,673
FERRY LANDING
GoodOver: CORMORANT PASSAGE
0.1 NO STEILACOOM, Pierce, WA
Built 1998 Load: 59.9 t ADT: 515
7-MILE ROAD
GoodOver: COULEE CREEK
0.1 E COULEE-HITE, Spokane, WA
Built 2016 Load: 59.9 t ADT: 2,160
US 97
GoodOver: TOPPENISH CREEK
23.6 N KLICKITAT CO, Yakima, WA
Built 2002 Load: 59.9 t ADT: 3,984
US 12
GoodOver: WHETSTONE CREEK
13.0 E WALLA WAL CO, Columbia, WA
Built 2021 Load: 60.3 t ADT: 1,983
IRR BIA RTE 26
GoodOver: COOK CREEK
25.7 KM NE COPALIS X-ING, Grays Harbor, WA
Built 2002 Load: 60.3 t ADT: 605
120TH AVE NE
GoodOver: SOUND TRANSIT LIGHT RAIL
0.19 N NE 12TH ST, King, WA
Built 2017 Load: 60.3 t ADT: 5,298
I-5
GoodOver: PADDEN CREEK
7.6 N SKAGIT CO, Whatcom, WA
Built 2021 Load: 60.3 t ADT: 21,720
TECUMSEH RD.
GoodOver: CANAL - HIGHLINE PUMP
00.16 N PUMPHOUSE, Yakima, WA
Built 1958 Load: 60.6 t ADT: 182
GOULD CITY-MAYVIEW
GoodOver: SOUTH DEADMAN CREEK
2, Garfield, WA
Built 1984 Load: 60.8 t ADT: 200
SR 303
GoodOver: SILVERDALE WAY NW
8.6 N JCT SR 304, Kitsap, WA
Built 1982 Load: 60.8 t ADT: 34,905
ROAD #39
GoodOver: FALLS CREEK
5.4 MILES FROM SH #542, Whatcom, WA
Built 1996 Load: 60.8 t ADT: 20
ROAD
GoodOver: LOG CREEK
NO DATA ENTERED, Kittitas, WA
Built 1978 Load: 60.9 t ADT: 50
I-5
GoodOver: PADDEN CREEK
7.6 N SKAGIT CO, Whatcom, WA
Built 2021 Load: 60.9 t ADT: 21,720
NO DATA ENTERED
GoodOver: WOODS CREEK
NO DATA ENTERED, Lewis, WA
Built 2008 Load: 61.2 t ADT: 390
SOUTH POINT ROAD
GoodOver: SHINE CREEK
0.25 S. JCT. SR104, Jefferson, WA
Built 2005 Load: 61.6 t ADT: 1,215
364th Ave SE
GoodOver: Raging River
5.0 MI E OF ISSA-HO RD, King, WA
Built 2014 Load: 61.6 t ADT: 150
I-205 W-N RAMP
GoodOver: I-205 N-W RAMP
1.4 N JCT SR 14, Clark, WA
Built 2009 Load: 61.7 t ADT: 13,781
Showing 8,001-8,050 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 |