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
FLESHMAN WAY
FairOver: SNAKE RIVER
0.1 E JCT SR 129, Asotin, WA
Built 1982 Load: 32.7 t ADT: 21,000
W 45TH AVENUE
FairOver: KID CANAL
00.70 W OLYMPIA ST, Benton, WA
Built 1955 Load: 32.7 t ADT: 3,011
HORRIGAN ROAD
FairOver: E BRANCH of GLADE CREEK
0.911 mi E of SW DAVIS RD, Benton, WA
Built 1995 Load: 32.7 t ADT: 16
NO DATA ENTERED
FairOver: DUNGENESS RIVER
NO DATA ENTERED, Clallam, WA
Built 1961 Load: 32.7 t ADT: 50
NO DATA ENTERED
FairOver: SOUTH FK CALAWAH RIVER
NO DATA ENTERED, Clallam, WA
Built 1960 Load: 32.7 t ADT: 50
8th Street
FairOver: Valley St & Valley Crk
0.4 W Lincoln St (US101), Clallam, WA
Built 2008 Load: 32.7 t ADT: 15,584
I-205
FairOver: BURNT BRIDGE CREEK
4.4 N JCT SR 14, Clark, WA
Built 1974 Load: 32.7 t ADT: 14,594
I-5
FairOver: BN RY
4.9 N JCT SR 503, Cowlitz, WA
Built 1972 Load: 32.7 t ADT: 36,814
MILL CREEK RD
FairOver: MILL CREEK
1.47 N OF SR 4 (MP 47.64), Cowlitz, WA
Built 1960 Load: 32.7 t ADT: 150
HARMONY DR
FairOver: COAL CREEK
0.35 NW COAL CRK RD (0.54, Cowlitz, WA
Built 1953 Load: 32.7 t ADT: 2,253
HACKETT RD
FairOver: COAL CREEK EAST FORK
0.30 N COAL CRK RD (5.04), Cowlitz, WA
Built 1975 Load: 32.7 t ADT: 38
FALLERT RD
FairOver: KALAMA RIVER
0.03 E KAL RIV RD (4.41), Cowlitz, WA
Built 1985 Load: 32.7 t ADT: 200
SLIDE CREEK RD
FairOver: SLIDE CREEK
1.19 N ABERNATHY RD (1.13, Cowlitz, WA
Built 1978 Load: 32.7 t ADT: 60
COLUMBIA STREET
FairOver: PATAHA CREEK
0.1E 20STR ON COL, Garfield, WA
Built 1965 Load: 32.7 t ADT: 75
SR 282
FairOver: GN RY
0.1 E JCT SR 28, Grant, WA
Built 1959 Load: 32.7 t ADT: 8,702
SR 105
FairOver: CAMPBELL CREEK
13.1 N JCT SR 105 SP, Grays Harbor, WA
Built 1945 Load: 32.7 t ADT: 6,067
US 12
FairOver: SATSOP RIVER
5.2 E JCT SR 107, Grays Harbor, WA
Built 1965 Load: 32.7 t ADT: 11,538
NO DATA ENTERED
FairOver: WYNOOCHEE RIVER
NO DATA ENTERED, Grays Harbor, WA
Built 1973 Load: 32.7 t ADT: 100
WYNOOCHE WISHKAH
FairOver: WYNOOCHEE RIVER
0.4 W JCT WYN VAL, Grays Harbor, WA
Built 1982 Load: 32.7 t ADT: 728
BLACK CREEK ROAD
FairOver: BLACK CREEK
03.6 NE JCT 9519, Grays Harbor, WA
Built 1977 Load: 32.7 t ADT: 117
HOQUIAM WISHKAH RD
FairOver: WISHKAH RIVER
11.7 N ABERDEEN, Grays Harbor, WA
Built 1968 Load: 32.7 t ADT: 1,379
NEWMAN CREEK ROAD
FairOver: NEWMAN CREEK
01.1 N JCT 9710, Grays Harbor, WA
Built 1976 Load: 32.7 t ADT: 184
NO DATA ENTERED
FairOver: OTHER
NO DATA ENTERED, Jefferson, WA
Built 1965 Load: 32.7 t ADT: 30
SR 203
FairOver: SLOUGH
1.1 N JCT SR 202, King, WA
Built 1945 Load: 32.7 t ADT: 7,622
SR 203
FairOver: SLOUGH
16.2 N JCT SR 202, King, WA
Built 1945 Load: 32.7 t ADT: 10,190
I-5
FairOver: TERRAIN
5.5 N JCT SR 900, King, WA
Built 1967 Load: 32.7 t ADT: 5,638
SR 520
FairOver: 116TH AVE NE
0.1 E JCT I-405, King, WA
Built 1966 Load: 32.7 t ADT: 43,146
SR 599
FairOver: 133RD ST
0.3 N JCT I-5, King, WA
Built 1966 Load: 32.7 t ADT: 22,020
I-405
FairOver: NE 132ND ST
6.1 N JCT SR 520, King, WA
Built 1970 Load: 32.7 t ADT: 63,798
187 AVE SE
FairOver: LEWIS CREEK
0.7 MI N OF I-90, King, WA
Built 1986 Load: 32.7 t ADT: 205
CEDAR GROVE RD
FairOver: ISSAQUAH CREEK
2 MI E OF SR-169, King, WA
Built 1962 Load: 32.7 t ADT: 4,568
SW SPOKANE ST
FairOver: DUWAMISH RIVER E WATERWY
800 SW Spokane St, King, WA
Built 1976 Load: 32.7 t ADT: 8,800
SW SPOKANE ST
FairOver: E MARGINAL WAY S
1200 SW Spokane St, King, WA
Built 1983 Load: 32.7 t ADT: 10,000
LEARY WAY
FairOver: SAMMAMISH RIVER
0.4 MILES S JCT SR 908, King, WA
Built 1992 Load: 32.7 t ADT: 30,000
SE 216TH WAY
FairOver: CEDAR RIVER TRAIL
0.05 MI E OF SR-169, King, WA
Built 1994 Load: 32.7 t ADT: 6,082
EB I-90
FairOver: OLALLIE CREEK
18.2 E JCT SR 202, King, WA
Built 1972 Load: 32.7 t ADT: 18,185
GORGE POWERHOUSE R
FairOver: SKAGIT RIVER
Gorge Powerhouse, King, WA
Built 1937 Load: 32.7 t ADT: 145
DIABLO ACCESS RD
FairOver: WINDY CREEK
Diable Access Bridge, King, WA
Built 1955 Load: 32.7 t ADT: 40
ROSS DAM ROAD
FairOver: SKAGIT RIVER
Ross Dam, King, WA
Built 1940 Load: 32.7 t ADT: 5
ROSS DAM ROAD
FairOver: SKAGIT RIVER
Ross Dam, King, WA
Built 1940 Load: 32.7 t ADT: 5
KLICKITAT DRIVE
FairOver: SB SOUTHCENTER PKWY
AT SOUTHCENTER PARKWAY, King, WA
Built 2012 Load: 32.7 t ADT: 14,024
SR 3
FairOver: ERLAND POINT RD
5.6 N JCT SR 304, Kitsap, WA
Built 1966 Load: 32.7 t ADT: 28,888
I-90
FairOver: YAKIMA RIVER
24.1 E JCT SR 906, Kittitas, WA
Built 1962 Load: 32.7 t ADT: 16,953
MORRISON ROAD
FairOver: GRAVITY CANAL
01.51 E UP BDGER PK, Kittitas, WA
Built 1960 Load: 32.7 t ADT: 103
MORRISON ROAD
FairOver: TURBINE CANAL
01.02 E UP BDGER PK, Kittitas, WA
Built 1976 Load: 32.7 t ADT: 103
HOWARD ROAD
FairOver: DRY CREEK
00.18 N US 97, Kittitas, WA
Built 1942 Load: 32.7 t ADT: 186
THIRD AVENUE
FairOver: TOWN DITCH
00.29 E PFENNING RD, Kittitas, WA
Built 1971 Load: 32.7 t ADT: 841
KATEN ROAD
FairOver: TURBINE CANAL
01.05 S UPBADGR PKT, Kittitas, WA
Built 1978 Load: 32.7 t ADT: 52
NANEUM ROAD
FairOver: HILINE CANAL
00.14 S BAR 14 ROAD, Kittitas, WA
Built 1931 Load: 32.7 t ADT: 201
SCHNEBLY ROAD
FairOver: COLEMAN CREEK
00.57 W LESTER ROAD, Kittitas, WA
Built 1956 Load: 32.7 t ADT: 120
Showing 3,601-3,650 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 |