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
SR 16
GoodOver: SOUTH 12TH STREET
3.0 N JCT I-5, Pierce, WA
Built 2006 Load: 68.0 t ADT: 48,124
419th Ave SE
GoodOver: May Creek
0.7 NE JCT SR 2, Snohomish, WA
Built 2009 Load: 68.0 t ADT: 215
WASHINGTON STREET
GoodOver: SPOKANE RIVER
0.85 N OF I-90, Spokane, WA
Built 1985 Load: 68.0 t ADT: 23,554
SE LAKE WALKER RD
GoodOver: COAL CREEK
3.5 MI W OF SR-169, King, WA
Built 2023 Load: 68.7 t ADT: 350
US 2
GoodOver: ALPINE CREEK
13.7 E SNOHOMISH CO, King, WA
Built 1998 Load: 68.9 t ADT: 4,915
WALDRICK ROAD
GoodOver: DESCHUTES RIVER
2.5 m E of Hwy 99, Thurston, WA
Built 1986 Load: 68.9 t ADT: 1,957
WALDRICK ROAD
GoodOver: RAILROAD
00.25E OLD HWY 99, Thurston, WA
Built 1995 Load: 68.9 t ADT: 2,391
SKOOKUMCHUCK ROAD
GoodOver: SKOOKUMCHUCK OVERFLOW
2.2 SE JCT SR507, Thurston, WA
Built 1996 Load: 68.9 t ADT: 981
NO DATA ENTERED
GoodOver: MUELLER CREEK
NO DATA ENTERED, Clallam, WA
Built 1993 Load: 69.0 t ADT: 50
LONG LAKE ROAD SE
GoodOver: CURLEY CREEK
0.2 S JCT LAKE VALLEY RD, Kitsap, WA
Built 1993 Load: 69.3 t ADT: 1,362
NW ANDERSON HILL R
GoodOver: ANDERSON CREEK
1.0 E JCT SEABECK HWY NW, Kitsap, WA
Built 2002 Load: 69.3 t ADT: 5,136
20TH INFANTRY WAY
GoodOver: DRAINAGE CANAL
ET339079, Pierce, WA
Built 2003 Load: 69.3 t ADT: 10
MILLER BAY ROAD
GoodOver: GROVERS CREEK
0.02 S JCT INDIANOLA RD, Kitsap, WA
Built 2007 Load: 69.7 t ADT: 9,222
CEDAR FLATS ROAD
GoodOver: SWIFT CREEK
1.28 m W of Delphi Rd, Thurston, WA
Built 2008 Load: 69.8 t ADT: 887
SE MAY VALLEY ROAD
GoodOver: MAY CREEK
0.1 MI E OF SR-900, King, WA
Built 2010 Load: 70.3 t ADT: 6,018
MIAMI BEACH RD. NW
GoodOver: SEABECK CREEK
0.11 W MIAMI BEACH RD. NW, Kitsap, WA
Built 2013 Load: 70.6 t ADT: 2,671
SR 18
GoodOver: TERRAIN
6.3 E JCT SR 169, King, WA
Built 2001 Load: 70.7 t ADT: 24,754
VAIL LOOP ROAD
GoodOver: DESCHUTES RIVER
.5 M. S. of Vail Cut Off, Thurston, WA
Built 1982 Load: 70.7 t ADT: 851
BAIRD SPRINGS RD
GoodOver: Trinidad Creek
Baird Spring 1.7 N SR 28, Grant, WA
Built 2005 Load: 71.0 t ADT: 26
Roosevelt Grade Rd
GoodOver: Wood Gulch Haul Road
4.9 N JCT SR-14, Klickitat, WA
Built 2001 Load: 71.0 t ADT: 119
3rd Ave
GoodOver: Wide Hollow Creek
0.06 N Ahtanum Rd., Yakima, WA
Built 1999 Load: 71.0 t ADT: 5,673
Greenacres Rd
GoodOver: Johnson Creek
4 miles west of Riverside, Okanogan, WA
Built 2023 Load: 71.3 t ADT: 265
HEATON GULCH RD
GoodOver: MEADOW CREEK
6.0 N JCT US 12, Garfield, WA
Built 2001 Load: 71.7 t ADT: 20
NO DATA ENTERED
GoodOver: NORTH FORK CISPUS RIVER
SE OF RANDLE, FOLLOWING R, Lewis, WA
Built 1991 Load: 72.1 t ADT: 40
MEAD ROAD
GoodOver: KELLOGG HOLLOW CREEK
0.014 MI E KELLOGG, Columbia, WA
Built 2006 Load: 72.6 t ADT: 35
SR 504
GoodOver: COLDWATER CR
24.0 E JCT SR 504 SP, Cowlitz, WA
Built 1994 Load: 72.6 t ADT: 586
I-90
GoodOver: GAME CROSSING
3.1 E JCT SR 18, King, WA
Built 1976 Load: 72.6 t ADT: 25,826
I-90
GoodOver: GAME CROSSING
3.1 E JCT SR 18, King, WA
Built 1976 Load: 72.6 t ADT: 25,826
179TH AV SE
GoodOver: PEDESTRIAN TUNNEL
0.1 N JCT SR2, Snohomish, WA
Built 1985 Load: 72.6 t ADT: 3,540
WHITE/1075
GoodOver: WILLOW CREEK
0.05 MI W FARMINGTON, Whitman, WA
Built 1998 Load: 72.6 t ADT: 3
MAIN STREET
GoodOver: SPANGLE CREEK
0.1 N OLD SR 195, Spokane, WA
Built 1975 Load: 73.2 t ADT: 184
NO DATA ENTERED
GoodOver: ORR CREEK
NO DATA ENTERED, Lewis, WA
Built 1985 Load: 73.5 t ADT: 50
SWEDE HEAVEN RD
GoodOver: N.F.STILLAGUAMISH RIVER
0.8 N JCT SR 530, Snohomish, WA
Built 1991 Load: 73.5 t ADT: 986
CRYSTAL MNT BLVD
GoodOver: SILVER CREEK
5.85 E JCT 410, Pierce, WA
Built 2016 Load: 73.9 t ADT: 675
SR 112
GoodOver: COVILLE CREEK
34.8 E JCT SR 113, Clallam, WA
Built 2013 Load: 74.2 t ADT: 3,973
THIRD STREET
GoodOver: STOWE CREEK
2.5 BLKS S SR 6, Lewis, WA
Built 1994 Load: 74.2 t ADT: 600
SKAGIT HIGHLANDS
GoodOver: TRUMPETER CREEK
0.4 N JCT E DIVISION ST, Skagit, WA
Built 2003 Load: 74.2 t ADT: 800
SARGENT BOULEVARD
GoodOver: WILSON CREEK
ENT MORRISON RIV PK, Grays Harbor, WA
Built 1992 Load: 74.4 t ADT: 250
SR 18
GoodOver: 244TH AVE SE
1.2 E JCT SR 169, King, WA
Built 2005 Load: 74.4 t ADT: 16,302
I-705 SB
GoodOver: TERRAIN
0.1 N JCT I-5, Pierce, WA
Built 1988 Load: 74.4 t ADT: 19,848
SR 504
GoodOver: WOOSTER CREEK
2.3 E JCT SR 505, Cowlitz, WA
Built 2018 Load: 74.5 t ADT: 956
SOUTH BANK ROAD
GoodOver: TAYLOR CREEK
4.2 E JCT 96540, Grays Harbor, WA
Built 2017 Load: 74.8 t ADT: 1,342
FRIDEGER ROAD
GoodOver: LITTLE SPOKANE RIVER
0.2 MI S CAMDEN, Spokane, WA
Built 2021 Load: 74.8 t ADT: 321
I-405 RAMP
GoodOver: SOUTHCENTER BLVD
0.9 N JCT I-5, King, WA
Built 1994 Load: 75.3 t ADT: 7,007
RAMP
GoodOver: E ISSAQUAH CREEK
2.1 E JCT SR 900, King, WA
Built 2003 Load: 75.3 t ADT: 2,230
SR 509
GoodOver: WAPATO CREEK
3.0 E JCT I-705, Pierce, WA
Built 1995 Load: 75.3 t ADT: 13,609
SR 27
GoodOver: N FK FOUR MILE CREEK
10.1 N JCT SR 270, Whitman, WA
Built 1983 Load: 76.1 t ADT: 2,811
SR 112
GoodOver: FIELD CREEK
25.8 E JCT SR 113, Clallam, WA
Built 2000 Load: 76.2 t ADT: 825
I-5
GoodOver: KALAMA RIVER
10.8 N JCT SR 503, Cowlitz, WA
Built 1970 Load: 76.5 t ADT: 36,886
SR 202
GoodOver: LITTLE BEAR CREEK
0.1 E JCT SR 522, King, WA
Built 2017 Load: 76.5 t ADT: 39,506
Showing 8,151-8,200 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 |