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
I-5 NCD
FairOver: S M ST
0.5 N JCT SR 16, Pierce, WA
Built 2006 Load: 49.0 t ADT: 58,308
SR 20
FairOver: ABANDONED RR
8.1 E ISLAND CO, Skagit, WA
Built 1965 Load: 49.0 t ADT: 17,952
ROAD
FairOver: DEER CREEK
NO DATA ENTERED, Skagit, WA
Built 1987 Load: 49.0 t ADT: 10
HAYS ROAD
FairOver: LATAH CREEK
01.5 N WAVERLY, Spokane, WA
Built 1960 Load: 49.0 t ADT: 9
Pacific Avenue
FairOver: BNSF RR, Smith Street
Pacific Ave 0.25 Mi E I5, Snohomish, WA
Built 2002 Load: 49.2 t ADT: 8,241
SUMMIT PKWY
FairOver: MAPLE ST
00.52 NORTH 2ND AVE, Spokane, WA
Built 1958 Load: 49.2 t ADT: 1,741
ORIENT CUTOFF ROAD
FairOver: KETTLE RIVER
.3 W JCT SR395, Stevens, WA
Built 1993 Load: 49.2 t ADT: 230
I-82
FairOver: SUNNYSIDE CANAL
3.0 E YAKIMA CO LN, Benton, WA
Built 1980 Load: 49.9 t ADT: 12,165
I-5
FairOver: LUCILE ST
3.9 N JCT SR 900, King, WA
Built 1966 Load: 49.9 t ADT: 95,134
NE 128TH WAY
FairOver: COTTAGE LAKE CREEK
0.1 MI W of AVONDALE RD, King, WA
Built 1975 Load: 49.9 t ADT: 14,586
GALVIN RD.
FairOver: CHEHALIS RIVER OVERFLOW
1.23 WEST JCT 91000, Lewis, WA
Built 1993 Load: 49.9 t ADT: 1,941
LEBAM ROAD
FairOver: WILLAPA RIVER
13.0 SE JCT US 101, Pacific, WA
Built 1917 Load: 49.9 t ADT: 72
E MAIN STREET
FairOver: PUYALLUP RIVER
0.01 S JCT SR 410, Pierce, WA
Built 1999 Load: 49.9 t ADT: 22,448
DEER HARBOR ROAD
FairOver: CROW VALLEY DRAINAGE
ORCAS ISLAND, San Juan, WA
Built 2001 Load: 49.9 t ADT: 1,826
NO DATA ENTERED
FairOver: TROUT LAKE CREEK
1 1/2 MILES WEST OF TROUT, Skamania, WA
Built 1981 Load: 49.9 t ADT: 40
CATHCART WAY
FairOver: THOMAS CREEK
4.5 E JCT I5, Snohomish, WA
Built 2000 Load: 49.9 t ADT: 16,353
SR 20
FairOver: GORGE CREEK
7.0 E SKAGIT CO, Whatcom, WA
Built 1955 Load: 49.9 t ADT: 1,732
US 195
FairOver: DRY CREEK
5.7 N JCT SR 26, Whitman, WA
Built 1954 Load: 49.9 t ADT: 4,905
1ST AVENUE
FairOver: MAPLE STREET
1.1 W OF SR 395, Spokane, WA
Built 1958 Load: 50.2 t ADT: 2,884
IRR ROUTE 116
FairOver: STEPSTONE CREEK
13 KM NORTH OF NESPELEM, Okanogan, WA
Built 1998 Load: 50.7 t ADT: 50
SR 26
FairOver: PALOUSE RIVER
14.1 E JCT SR 261, Adams, WA
Built 1971 Load: 50.8 t ADT: 1,724
DNR ACCESS ROAD
FairOver: HURRICANE RIDGE ROAD
4.1 MI. S. OF JCT. HWY. 1, Clallam, WA
Built 1969 Load: 50.8 t ADT: 603
US 12
FairOver: SILVER CREEK
1.7 E JCT SR 131, Lewis, WA
Built 1957 Load: 50.8 t ADT: 4,072
GISH ROAD
FairOver: S FK NEWAUKUM RIVER
4.0 W ONALASKA, Lewis, WA
Built 1996 Load: 50.8 t ADT: 495
E. Mason Lake Rd W
FairOver: SCHUMOCHER CREEK
0.73 MI NO OF Mason LK Rd, Mason, WA
Built 2002 Load: 50.8 t ADT: 490
SR 410
FairOver: ANGELINE RD
3.5 E JCT SR 162, Pierce, WA
Built 1992 Load: 50.8 t ADT: 21,764
NO DATA ENTERED
FairOver: LEWIS RIVER
15.6 MILES ON FS RD 90., Skamania, WA
Built 1989 Load: 50.8 t ADT: 390
YEAGER RD
FairOver: WEST FORK WOODS CREEK
3.0 NE JCT SR 2, Snohomish, WA
Built 1968 Load: 50.8 t ADT: 1,436
YEAGER RD
FairOver: WEST FORK WOODS CREEK
2.6 NE JCT SR 2, Snohomish, WA
Built 1968 Load: 50.8 t ADT: 1,596
GOEBEL RD SE
FairOver: SKOOKUMCHUCK RIVER
0.11 m N Skookumchuck Rd, Thurston, WA
Built 1982 Load: 50.8 t ADT: 27
Bickleton Hwy
FairOver: Rock Creek
15.78 MI East JCT SR 97, Klickitat, WA
Built 2009 Load: 50.9 t ADT: 144
NO DATA ENTERED
FairOver: SULLIVAN CREEK
NO DATA ENTERED, Pend Oreille, WA
Built 1958 Load: 51.4 t ADT: 88
WHITEHALL RD F SE
FairOver: DRY WASH
4.16 S JCT US 2, Douglas, WA
Built 1960 Load: 51.5 t ADT: 27
US 2
FairOver: WENATCHEE RIVER
1.7 E JCT US 97, Chelan, WA
Built 1947 Load: 51.7 t ADT: 8,342
GRAVES CREEK ROAD
FairOver: HOWE CREEK
13 MI. NE OF JCT. HWY. 10, Jefferson, WA
Built 1981 Load: 51.7 t ADT: 100
SR 18
FairOver: CEDAR RIVER, SE BAIN RD
5.2 N JCT SR 516, King, WA
Built 2004 Load: 51.7 t ADT: 16,302
MINKLER ROAD 9350
FairOver: COAL CREEK
0.1 E JCT SIMS ROAD, Skagit, WA
Built 1984 Load: 51.7 t ADT: 1,136
US 2
FairOver: GEIGER BLVD
16.0 E LINCOLN CO, Spokane, WA
Built 1964 Load: 51.7 t ADT: 20,787
US 2
FairOver: GEIGER BLVD
16.0 E LINCOLN CO, Spokane, WA
Built 1964 Load: 51.7 t ADT: 20,787
THOMPSON CREEK RD.
FairOver: THOMPSON CREEK
0.12 m S Skookumchuck Rd, Thurston, WA
Built 1987 Load: 51.7 t ADT: 89
QUINAULT S SHORE
FairOver: WILLABY CREEK
1.4 NE JCT US 101, Grays Harbor, WA
Built 1973 Load: 51.8 t ADT: 1,328
ROAD
FairOver: SUNDAY CREEK
0.1MI E OF 52/54 JCT, King, WA
Built 1956 Load: 51.8 t ADT: 14
ISSAQUAH F.C. ROAD
FairOver: OLD VAUGHN HILL ROAD
0.2 MI NE OF I-90, King, WA
Built 1985 Load: 51.8 t ADT: 23,000
RIVERSIDE AVENUE
FairOver: MAPLE STREET
1.1 W OF SR 395, Spokane, WA
Built 1958 Load: 51.8 t ADT: 3,296
I-5
FairOver: MILITARY RD ROSE ST
2.2 N JCT SR 900, King, WA
Built 1966 Load: 52.6 t ADT: 101,485
US 97
FairOver: OKANOGAN RIVER
0.7 N JCT SR 155, Okanogan, WA
Built 1964 Load: 52.6 t ADT: 8,488
I-705 RAMP
FairOver: TERRAIN
0.2 N JCT I-5, Pierce, WA
Built 1988 Load: 52.6 t ADT: 4,510
110TH AVE SW
FairOver: BLACK RIVER
0.75 W Littlerock Rd, Thurston, WA
Built 1986 Load: 52.6 t ADT: 2,339
GIBSON ROAD SW
FairOver: SCATTER CREEK
0.14 mile North of Hwy 99, Thurston, WA
Built 1967 Load: 52.6 t ADT: 535
PIONEER HWY
FairOver: CEDAR HOME RD
0.1 N JCT SR532, Snohomish, WA
Built 2002 Load: 53.1 t ADT: 4,500
Showing 4,451-4,500 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 |