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
MARINE DR
FairOver: NOOKSACK RIVER
00.2 E FERNDALE RD., Whatcom, WA
Built 1936 Load: 40.5 t ADT: 3,900
SQUALLICUM WAY
FairOver: SQUALLICUM CREEK
BOX CUL 1 SQUALL WY, Whatcom, WA
Built 1970 Load: 40.5 t ADT: 4,200
SQUALLICUM WAY
FairOver: SQUALLICUM CREEK
BOX CUL 2 SQUALL WY, Whatcom, WA
Built 1970 Load: 40.5 t ADT: 4,200
SQUALLICUM WAY
FairOver: SQUALLICUM CREEK
BOX CUL 3 SQUALL WY, Whatcom, WA
Built 1970 Load: 40.5 t ADT: 4,200
I-82
FairOver: NP RY MOXEE
1.1 E JCT US 12, Yakima, WA
Built 1961 Load: 40.5 t ADT: 24,642
I-82
FairOver: KING TULL COUNTY RD
1.7 E YAKIMA CO LN, Benton, WA
Built 1980 Load: 40.8 t ADT: 12,165
I-82
FairOver: KING TULL COUNTY RD
1.7 E YAKIMA CO LN, Benton, WA
Built 1980 Load: 40.8 t ADT: 12,165
SR 14
FairOver: EAST CAMAS SLOUGH
7.7 E JCT I-205, Clark, WA
Built 1962 Load: 40.8 t ADT: 14,535
LOWER WHETSTONE RD
FairOver: WHETSTONE CREEK
0.8 W JCT 9209, Columbia, WA
Built 1997 Load: 40.8 t ADT: 150
ROSE VALLEY RD
FairOver: COWEEMAN RIVER
9.41 E OLD 99 S (MP 1.06), Cowlitz, WA
Built 1974 Load: 40.8 t ADT: 420
ROSE VALLEY RD
FairOver: OWL CREEK
1.04 E OLD 99 S (MP 1.06), Cowlitz, WA
Built 1957 Load: 40.8 t ADT: 3,600
NO DATA ENTERED
FairOver: BOULDER CREEK
NO DATA ENTERED, Grays Harbor, WA
Built 1983 Load: 40.8 t ADT: 50
HEISE ROAD
FairOver: WILDCAT CREEK
0.06 S JCT 9710, Grays Harbor, WA
Built 1980 Load: 40.8 t ADT: 347
I-90
FairOver: COUNTY ROAD(OLD I-90)
17.3 E JCT SR 202, King, WA
Built 1971 Load: 40.8 t ADT: 17,937
I-90
FairOver: RAGING RIVER
7.5 E JCT SR 900, King, WA
Built 1975 Load: 40.8 t ADT: 29,903
I-90
FairOver: E FK ISSAQUAH CR
2.6 E JCT SR 900, King, WA
Built 1976 Load: 40.8 t ADT: 33,574
EAST MARGINAL WAY
FairOver: DUWAMISH RIVER
0.14 N JCT INTERURBAN AVE, King, WA
Built 1989 Load: 40.8 t ADT: 13,500
COAL CREEK PKWY
FairOver: MAY CREEK
0.25 MI N OF SE 95TH WAY, King, WA
Built 2009 Load: 40.8 t ADT: 32,000
CRESCENT VLY RD SE
FairOver: OLALLA CREEK
2.25 N CO. LINE, Kitsap, WA
Built 1972 Load: 40.8 t ADT: 1,531
SR 14
FairOver: HALF BRIDGE
2.5 E JCT US 197, Klickitat, WA
Built 1931 Load: 40.8 t ADT: 2,268
MILL ST
FairOver: Little Klickitat River
0.2 N. Jct SR142, Klickitat, WA
Built 1980 Load: 40.8 t ADT: 205
US 2
FairOver: CORBETT DRAW
2.4 E GRANT CO, Lincoln, WA
Built 1960 Load: 40.8 t ADT: 1,016
NO DATA ENTERED
FairOver: ANDREWS CREEK
NO DATA ENTERED, Okanogan, WA
Built 2006 Load: 40.8 t ADT: 50
I-5
FairOver: CMSTPR RR
1.4 N JCT SR 16, Pierce, WA
Built 1965 Load: 40.8 t ADT: 4,393
PRAIRIE ROAD
FairOver: SAMISH RIVER
2.21 E JCT OLD HWY 99, Skagit, WA
Built 1974 Load: 40.8 t ADT: 1,583
SR 203
FairOver: HASKELL SLOUGH
5.1 N KING CO, Snohomish, WA
Built 1957 Load: 40.8 t ADT: 15,035
SR 522
FairOver: SNOHOMISH R & TESTER RD
6.4 E JCT SR 9, Snohomish, WA
Built 1963 Load: 40.8 t ADT: 15,235
MIDDLE SHORE RD
FairOver: ROESIGER CREEK
10.7 NE JCT SR 2, Snohomish, WA
Built 1985 Load: 40.8 t ADT: 81
MARINE DRIVE
FairOver: HATT SLOUGH
2.5 S JCT SR532, Snohomish, WA
Built 1985 Load: 40.8 t ADT: 7,160
SAUK PRAIRIE RD
FairOver: MOUSE CREEK
2.4 NE JCT SR 530, Snohomish, WA
Built 2006 Load: 40.8 t ADT: 712
US 101
FairOver: PERCIVAL CR & BNRR
4.5 S JCT SR 8, Thurston, WA
Built 1995 Load: 40.8 t ADT: 37,225
CASE ROAD SW
FairOver: SCATTER CREEK
0.7 m N of 183rd Ave SW, Thurston, WA
Built 1965 Load: 40.8 t ADT: 2,751
SR 124
FairOver: WINNETT CANYON
25.2 E JCT US 12, Walla Walla, WA
Built 1966 Load: 40.8 t ADT: 1,579
I-5
FairOver: ORCHID DR/SQUALICUM CR
0.6 N JCT SR 542, Whatcom, WA
Built 1958 Load: 40.8 t ADT: 37,086
SR 542
FairOver: CHAIN UP CREEK
16.1 E JCT SR 547, Whatcom, WA
Built 2010 Load: 40.8 t ADT: 1,251
I-82
FairOver: COUNTY RD/OLD US 12
5.5 E JCT SR 22, Yakima, WA
Built 1978 Load: 40.8 t ADT: 12,118
I-82
FairOver: COUNTY ROAD AND CANAL
3.7 E JCT US 97, Yakima, WA
Built 1979 Load: 40.8 t ADT: 14,023
NO DATA ENTERED
FairOver: DOSEWALLIPS RIVER
NO DATA ENTERED, Jefferson, WA
Built 1963 Load: 40.9 t ADT: 50
NO DATA ENTERED
FairOver: LEWIS RIVER
28.4 MILES EAST OF FOREST, Skamania, WA
Built 1967 Load: 40.9 t ADT: 400
LITTLE NACHES ROAD
FairOver: LITTLE NACHES RIVER
ABOVE 1906, Yakima, WA
Built 1966 Load: 40.9 t ADT: 80
I-90
FairOver: DENNY CREEK
19.8 E JCT SR 202, King, WA
Built 1981 Load: 41.1 t ADT: 18,185
AVONDALE ROAD
FairOver: BEAR CREEK
4.7 MI E OF SR-405, King, WA
Built 1995 Load: 41.1 t ADT: 23,710
E LEAVENWORTH ROAD
FairOver: ICICLE CREEK
03.05 LEAVENWORTH, Chelan, WA
Built 1947 Load: 41.5 t ADT: 3,349
LAURIDSEN BLVD
FairOver: PEABODY CREEK
0.8 E JCT SR 101, Clallam, WA
Built 2013 Load: 41.5 t ADT: 7,306
I-5
FairOver: MCLOUGHLIN BLVD
0.9 N JCT SR 14, Clark, WA
Built 1981 Load: 41.5 t ADT: 51,367
HUNGRY HWY
FairOver: SALMON CREEK
0.3 N SALMON CR RD, Wahkiakum, WA
Built 1978 Load: 41.5 t ADT: 51
US 12
FairOver: WALLA WALLA R
6.3 E JCT US 730 SPUR, Walla Walla, WA
Built 1917 Load: 41.5 t ADT: 7,778
SR 112
FairOver: CLALLAM RIVER
17.9 E MAKAH RES, Clallam, WA
Built 1971 Load: 41.7 t ADT: 1,752
SR 21
FairOver: KETTLE RIVER
18.3 N JCT SR 20, Ferry, WA
Built 1960 Load: 41.7 t ADT: 741
NEWMAN MID BR ROAD
FairOver: NEWMAN CREEK
02.1 N JCT 9710, Grays Harbor, WA
Built 1976 Load: 41.7 t ADT: 41
Showing 4,201-4,250 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 |