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
RAGON/2200
GoodOver: COTTONWOOD CREEK
0.03 MI E SR 195, Whitman, WA
Built 2004 Load: 29.5 t ADT: 50
LESTER ROAD
GoodOver: SNIPES CANAL
00.01 N SNIPES CANL, Yakima, WA
Built 1958 Load: 29.5 t ADT: 580
BRANCH RD.
GoodOver: DRAIN
00.47 E RUPPLE ROAD, Yakima, WA
Built 1968 Load: 29.5 t ADT: 901
STEPHENSON RD.
GoodOver: AGENCY CREEK
0.21 S. OF W. STEPHENSON, Yakima, WA
Built 1998 Load: 29.5 t ADT: 525
NORTH FORK RD.
GoodOver: AHTANUM CREEK, N. FORK
9.50 NW AHTANUM RD., Yakima, WA
Built 2000 Load: 29.5 t ADT: 158
BOOKER RD
GoodOver: WASTEWAY
01.49 MI N SR26, Adams, WA
Built 1985 Load: 29.8 t ADT: 1,481
MCMANAMON RD
GoodOver: Lower Crab Creek
00.06 MI NW SOLBECK RD, Adams, WA
Built 2001 Load: 29.8 t ADT: 1,024
VALLEY VIEW ROAD
GoodOver: CID CANAL
00.35 NE SR-12, Benton, WA
Built 1967 Load: 29.8 t ADT: 288
CEDAR BRAE ROAD
GoodOver: NASON CREEK
00.15W SR207, Chelan, WA
Built 1986 Load: 29.8 t ADT: 1,945
5 TH STREET
GoodOver: PATAHA CREEK
0.1 S SR12 ON 5TH, Garfield, WA
Built 1977 Load: 29.8 t ADT: 75
BASELINE WEST
GoodOver: LAT. BLK 73
Baseline .1 East of V NW, Grant, WA
Built 1987 Load: 29.8 t ADT: 650
US 101
GoodOver: DRY CREEK
43.2 N JCT SR 109, Grays Harbor, WA
Built 1956 Load: 29.8 t ADT: 1,153
SE OAK ROAD
GoodOver: BURLEY CREEK
3.5 N PIERCE COUNTY, Kitsap, WA
Built 1991 Load: 29.8 t ADT: 47
NO DATA ENTERED
GoodOver: COLD CREEK
NO DATA ENTERED, Kittitas, WA
Built 2010 Load: 29.8 t ADT: 2
SR 20
GoodOver: RUBY CREEK
9.8 E JCT SR 31, Pend Oreille, WA
Built 1985 Load: 29.8 t ADT: 886
70TH AVE E
GoodOver: HYLEBOS CREEK
1.0 N JCT SR 99, Pierce, WA
Built 1962 Load: 29.8 t ADT: 15,300
LYONS FERRY RD
GoodOver: DRY HOLLOW
7.267 N SR 124, Walla Walla, WA
Built 1988 Load: 29.8 t ADT: 335
PLAZA WAY
GoodOver: COTTONWOOD CREEK
00.057 N BRADEN RD, Walla Walla, WA
Built 1982 Load: 29.8 t ADT: 3,145
TALBOTT RD
GoodOver: DRY CREEK
0.223N LW DRY CREEK, Walla Walla, WA
Built 1997 Load: 29.8 t ADT: 17
NO DATA ENTERED
GoodOver: BEAVER CREEK TRIB.
.51 MILES FROM RD. #11, Whatcom, WA
Built 2003 Load: 29.8 t ADT: 50
BEACON/7140
GoodOver: ALKALI FLAT CREEK
4.09 MI SE CAMP, Whitman, WA
Built 1980 Load: 29.8 t ADT: 25
OLD RIVER ROAD
GoodOver: NACHES RIVER
00.57 W SR 410, Yakima, WA
Built 1973 Load: 29.8 t ADT: 299
MCDONALD RD.
GoodOver: WIP Canal
.37 W of Harrah Drain Rd, Yakima, WA
Built 2006 Load: 29.8 t ADT: 108
SR 971
GoodOver: FIRST CREEK
9.1 N JCT US 97 ALT, Chelan, WA
Built 1999 Load: 29.9 t ADT: 1,679
US 101
GoodOver: BARNES CREEK
23.8 N JCT SR 113, Clallam, WA
Built 1986 Load: 29.9 t ADT: 2,898
HOKO OZETTE ROAD
GoodOver: LITTLE HOKO RIVER
0.72 S JCT SR112, Clallam, WA
Built 1968 Load: 29.9 t ADT: 419
SR 504
GoodOver: N FK TOUTLE RIVER
0.1 E JCT SR 504 SP, Cowlitz, WA
Built 1989 Load: 29.9 t ADT: 710
MAINTENANCE ROAD
GoodOver: Potholes Canal
Ringold Wasteway, Franklin, WA
Built 1952 Load: 29.9 t ADT: 15
SR 127
GoodOver: DEADMAN CREEK
9.1 N JCT US 12, Garfield, WA
Built 1969 Load: 29.9 t ADT: 905
BELL PLAIN RD
GoodOver: SOUTH DEADMAN CREEK
9.0 N JCT SR 12, Garfield, WA
Built 1980 Load: 29.9 t ADT: 80
MAINTENANCE ROAD
GoodOver: WEST CANAL
DRY COULEE SIPHON 1 OUTLE, Grant, WA
Built 1946 Load: 29.9 t ADT: 5
MAINTENANCE ROAD
GoodOver: WEST CANAL
Dry Coulee Siphon 2 Outle, Grant, WA
Built 1946 Load: 29.9 t ADT: 5
SR 18
GoodOver: SOOS CR
6.7 E JCT SR 164, King, WA
Built 1959 Load: 29.9 t ADT: 25,223
I-5 S-W, N-W RAMPS
GoodOver: AIRPORT WAY
4.1 N JCT SR 900, King, WA
Built 1967 Load: 29.9 t ADT: 12,879
SR 167
GoodOver: 4TH AVE N
1.1 N JCT SR 516, King, WA
Built 1967 Load: 29.9 t ADT: 59,986
SR 167
GoodOver: 4TH AVE N
1.1 N JCT SR 516, King, WA
Built 1967 Load: 29.9 t ADT: 59,986
I-90
GoodOver: S FK SNOQUALMIE RIVER
6.4 E JCT SR 202, King, WA
Built 1971 Load: 29.9 t ADT: 18,493
OAKESDALE AVE SW
GoodOver: SPRINGBROOK CREEK
0.5 M. WEST OF LIND AVE., King, WA
Built 1998 Load: 29.9 t ADT: 7,866
S 277TH ST
GoodOver: UNION PACIFIC RR
0.5 MI EAST OF SR-167, King, WA
Built 2003 Load: 29.9 t ADT: 26,000
US 12
GoodOver: KLICKITAT CREEK
4.0 E JCT SR 122, Lewis, WA
Built 1937 Load: 29.9 t ADT: 6,490
OAKVILLE ROAD
GoodOver: NORTH RIVER
2.2 SW GRAYS H CO, Pacific, WA
Built 1992 Load: 29.9 t ADT: 100
I-5
GoodOver: S M ST
0.5 N JCT SR 16, Pierce, WA
Built 1959 Load: 29.9 t ADT: 131,030
SR 512
GoodOver: 15TH AVE SW
1.1 E JCT SR 161, Pierce, WA
Built 1973 Load: 29.9 t ADT: 43,016
YOMAN RD AI
GoodOver: BALCH PASSAGE
0.1 NE VILLA BEACH, Pierce, WA
Built 1984 Load: 29.9 t ADT: 505
I-405
GoodOver: 9TH AVE SE
0.4 N JCT SR 527, Snohomish, WA
Built 1968 Load: 29.9 t ADT: 45,734
SR 20
GoodOver: SKAGIT R
9.6 E SKAGIT CO, Whatcom, WA
Built 1960 Load: 29.9 t ADT: 1,502
SR 539
GoodOver: NOOKSACK R OVERFLOW
1.5 N JCT SR 544, Whatcom, WA
Built 2009 Load: 29.9 t ADT: 16,600
NORTHWOOD RD
GoodOver: FISH TRAP CR
00.2 S E BOUNDARY, Whatcom, WA
Built 1950 Load: 29.9 t ADT: 300
RAINY CREEK
GoodOver: RAINY CREEK
NO DATA ENTERED, Chelan, WA
Built 1960 Load: 30.0 t ADT: 50
ROAD
GoodOver: W FK MILLER RIVER
3.8 MI S OF 6410/OLD HWY, King, WA
Built 1961 Load: 30.0 t ADT: 44
Showing 5,851-5,900 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 |