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 3
FairOver: GOLDSBOROUGH CREEK
2.4 N JCT US 101, Mason, WA
Built 1923 Load: 20.1 t ADT: 16,880
SR 3
FairOver: SHERWOOD CREEK
20.5 N JCT US 101, Mason, WA
Built 1952 Load: 20.1 t ADT: 10,477
NO DATA ENTERED
FairOver: MIDDLE FORK CALISPELL CR
NO DATA ENTERED, Pend Oreille, WA
Built 1968 Load: 20.1 t ADT: 3
UNION AVENUE SOUTH
FairOver: NPRR &SOUTH TACOMA WAY
0.9 E JCT I-5&38TH, Pierce, WA
Built 1971 Load: 20.1 t ADT: 19,265
BEST ROAD
FairOver: NO FORK SKAGIT RIVER
5.5 W JCT INTERSTATE 5, Skagit, WA
Built 1959 Load: 20.1 t ADT: 3,693
LYMAN HAMILTON HWY
FairOver: RED CABIN CREEK
0.18 E JCT HEALY RD, Skagit, WA
Built 1954 Load: 20.1 t ADT: 253
NO DATA ENTERED
FairOver: COPPER CREEK
7.5 MILES EAST OF JCT. NE, Skamania, WA
Built 1996 Load: 20.1 t ADT: 99
I-5
FairOver: PORTAL WAY
7.3 N JCT SR 539, Whatcom, WA
Built 1963 Load: 20.1 t ADT: 17,069
SR 27
FairOver: SILVER CREEK
8.4 N JCT SR 272, Whitman, WA
Built 1922 Load: 20.1 t ADT: 1,215
HARRAH DRAIN RD.
FairOver: USIS CANAL
0.50 N OF FORT ROAD, Yakima, WA
Built 1978 Load: 20.1 t ADT: 52
BRANCH RD.
FairOver: USIS CANAL
00.49 W LATERAL "C", Yakima, WA
Built 1962 Load: 20.1 t ADT: 1,600
FARM ACCESS
FairOver: Potholes East Canal Late
17mi. N. of Richland, WA, Franklin, WA
Built 1955 Load: 20.2 t ADT: 10
FUEL STORAGE FACIL
FairOver: PATROL RD. & BEACH DRIVE
620 M SE OF NEVADA ST. E, Kitsap, WA
Built 1954 Load: 20.3 t ADT: 20
MAINTENANCE ROAD
FairOver: BUMPING LAKE SPILLWAY
BUMPING LAKE, Yakima, WA
Built 1973 Load: 20.3 t ADT: 30
IRR BIA RTE 285
FairOver: BIRD CREEK
19.3 KM NW OF GLENWOOD, Yakima, WA
Built 1998 Load: 20.3 t ADT: 30
NE 112TH AVE.
FairOver: SALMON CREEK
0.2 N NE 156 ST, Clark, WA
Built 1960 Load: 20.4 t ADT: 20
NE 50TH AVE
FairOver: SALMON CREEK
NE50AVE & SALMON CK, Clark, WA
Built 1960 Load: 20.4 t ADT: 2,420
NE 156TH ST.
FairOver: SALMON CREEK
INT OF NE102 AVE, Clark, WA
Built 1960 Load: 20.4 t ADT: 938
RANGE GRADE
FairOver: PATIT CREEK
0.02 S JCT 9132, Columbia, WA
Built 1973 Load: 20.4 t ADT: 25
OAK ST
FairOver: BNRR & HENDRICKSON DR
0.1 MI W SR 5, Cowlitz, WA
Built 1968 Load: 20.4 t ADT: 800
36 ROAD NE
FairOver: DRY CREEK
36 NE .5 West of P, Grant, WA
Built 1972 Load: 20.4 t ADT: 108
DRIVE UHLMAN RD E
FairOver: GREENWATER RIVER
0.2 MI NE OF SR-410, King, WA
Built 1973 Load: 20.4 t ADT: 80
15TH AVE W
FairOver: SHIP CANAL
4300 15th Ave W, King, WA
Built 1917 Load: 20.4 t ADT: 60,000
163RD PL SE
FairOver: WETLAND
163 PL & COUGAR MT WAY, King, WA
Built 2000 Load: 20.4 t ADT: 424
SR 906
FairOver: HYAK CREEK
1.7 E KING CO, Kittitas, WA
Built 1928 Load: 20.4 t ADT: 803
SOUTH CLE ELUM RD
FairOver: YAKIMA RIVER
00.02 S I-90, Kittitas, WA
Built 1965 Load: 20.4 t ADT: 2,970
SOUTH THORP HWY
FairOver: LIGHT DITCH
00.14 NW ROBINSON C, Kittitas, WA
Built 1936 Load: 20.4 t ADT: 1,972
OLSON ROAD
FairOver: LITTLE KLICKITAT RIVER
2.0 S JCT SR142, Klickitat, WA
Built 1988 Load: 20.4 t ADT: 33
US 12
FairOver: SILVER CREEK
1.0 E JCT SR 122, Lewis, WA
Built 2003 Load: 20.4 t ADT: 6,630
COUNTY ROAD 2017
FairOver: W.FORK SALMON CREEK
02.23 MI W JCT 9229, Okanogan, WA
Built 1949 Load: 20.4 t ADT: 72
LAKE STREET
FairOver: SALMON CREEK
0.02 MI E MAIN ST, Okanogan, WA
Built 1973 Load: 20.4 t ADT: 260
US 101
FairOver: HALF BRIDGE
25.4 N JCT SR 4, Pacific, WA
Built 1963 Load: 20.4 t ADT: 7,223
STEWART RD E
FairOver: WHITE RIVER
0.72 E JCT SR 167, Pierce, WA
Built 1952 Load: 20.4 t ADT: 15,329
LACONNER WHITNEY R
FairOver: SULLIVAN SLOUGH
3.83 S JCT SR 20, Skagit, WA
Built 1962 Load: 20.4 t ADT: 5,550
WIND RIVER ROAD
FairOver: WIND RIVER
3.45 NW JCT SR14, Skamania, WA
Built 1960 Load: 20.4 t ADT: 1,548
US 2
FairOver: SULTAN MILL POND
8.2 E JCT SR 203, Snohomish, WA
Built 1952 Load: 20.4 t ADT: 19,842
I-5
FairOver: STEAMBOAT SLOUGH
4.1 N JCT US 2, Snohomish, WA
Built 1968 Load: 20.4 t ADT: 63,840
I-5
FairOver: STEAMBOAT SLOUGH
4.1 N JCT US 2, Snohomish, WA
Built 1968 Load: 20.4 t ADT: 63,840
CHENEY-PLAZA ROAD
FairOver: COLUMBIA PLATEAU TRAIL
1.4 S PSH NO 904, Spokane, WA
Built 1936 Load: 20.4 t ADT: 1,212
WEST VALLEY ROAD
FairOver: EGGMAN CREEK
0.1 W JCT SR 4, Wahkiakum, WA
Built 1973 Load: 20.4 t ADT: 53
US 12
FairOver: VANSYCLE CREEK
3.7 E JCT US 730 SPUR, Walla Walla, WA
Built 1977 Load: 20.4 t ADT: 7,778
SMITH SPRINGS RD
FairOver: WHETSTONE CREEK
01.61 N SR 124, Walla Walla, WA
Built 1973 Load: 20.4 t ADT: 98
I-5
FairOver: NULLE RD
0.2 N SKAGIT CO, Whatcom, WA
Built 1963 Load: 20.4 t ADT: 22,967
BRECKINRIDGE RD
FairOver: SUMAS RIVER
00.4 E NOOKSACK RD., Whatcom, WA
Built 1954 Load: 20.4 t ADT: 1,274
GARFLD-FRMGTN/1300
FairOver: SOUTH FORK PINE CREEK
0.01 MI S FARMINGTON, Whitman, WA
Built 1973 Load: 20.4 t ADT: 228
BISHOP BLVD
FairOver: PARADISE CREEK
0.2 S JCT SR 270, Whitman, WA
Built 1985 Load: 20.4 t ADT: 15,937
BETHEL RIDGE ROAD
FairOver: LITTLE RATTLESNAKE CREEK
JCT 1500 & 1501, Yakima, WA
Built 1953 Load: 20.4 t ADT: 50
ELM STREET
FairOver: SVID CANAL
0.22 W. OF WILLOUGHBY, Yakima, WA
Built 1962 Load: 20.4 t ADT: 1,725
SCHRAG ROAD
FairOver: WEBER COULEE
05.35 MI E SR21, Adams, WA
Built 1938 Load: 20.7 t ADT: 41
SCHRAG RD
FairOver: DRY WASH
00.90 MI E SR21, Adams, WA
Built 1938 Load: 20.7 t ADT: 53
Showing 2,151-2,200 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 |