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
US 101
FairOver: MUD BAY
1.3 S JCT SR 8, Thurston, WA
Built 1958 Load: 36.9 t ADT: 20,937
IDAHO STREET
FairOver: MCCOY CREEK
0.1 N STEPTOE ST, Whitman, WA
Built 1983 Load: 36.9 t ADT: 35
I-90
FairOver: DEAL RD
5.0 E GRANT CO, Adams, WA
Built 1972 Load: 37.2 t ADT: 5,807
BENGE-WASHTUCNA RD
FairOver: DRY RELIEF
11.18 MI NE SR261, Adams, WA
Built 1914 Load: 37.2 t ADT: 50
US 12
FairOver: ALPOWA CR
3.0 E GARFIELD CO, Asotin, WA
Built 1975 Load: 37.2 t ADT: 2,914
SR 128
FairOver: SNAKE RIVER
0.2 E JCT US 12, Asotin, WA
Built 1979 Load: 37.2 t ADT: 4,999
I-5
FairOver: E FORK LEWIS RIVER
4.1 N JCT SR 501, Clark, WA
Built 1969 Load: 37.2 t ADT: 41,367
SR 432
FairOver: COWLITZ R & NP RY
2.0 E JCT SR 411, Cowlitz, WA
Built 1961 Load: 37.2 t ADT: 19,031
SR 17
FairOver: ESQUATZEL COULEE BN RY
1.6 N JCT US 395, Franklin, WA
Built 1968 Load: 37.2 t ADT: 5,121
WAKEFIELD ROAD
FairOver: CHEHALIS R - ELBOW RIFFL
1.6 S JCT SR 12, Grays Harbor, WA
Built 1978 Load: 37.2 t ADT: 1,180
OCEAN BEACH ROAD
FairOver: HUMPTULIPS OVERFLOW CHAN
7.2 NW JCT US 101, Grays Harbor, WA
Built 1973 Load: 37.2 t ADT: 2,619
ELMA MCCLEARY ROAD
FairOver: CLOQUALLUM CREEK
1.6 E JCT SR 8, Grays Harbor, WA
Built 1921 Load: 37.2 t ADT: 1,863
I-5
FairOver: EXP GALER-LAKEVIEW V
2.9 N JCT I-90, King, WA
Built 1961 Load: 37.2 t ADT: 37,212
I-5 RAMP
FairOver: CITY STREETS
0.8 N JCT I-90, King, WA
Built 1964 Load: 37.2 t ADT: 13,703
I-5
FairOver: TERRAIN
4.5 N JCT SR 900, King, WA
Built 1966 Load: 37.2 t ADT: 95,134
NE PARK DR
FairOver: RR AND HOUSER WAY N
0.3 W JCT I-405, King, WA
Built 1966 Load: 37.2 t ADT: 8,210
ROAD
FairOver: E FK MILLER RIVER
3.7 MI S OF 6410/HWY JCT, King, WA
Built 1964 Load: 37.2 t ADT: 44
PHINNEY AVE
FairOver: N 57TH ST
5700 Phinney Ave N, King, WA
Built 1900 Load: 37.2 t ADT: 12,400
SR 970
FairOver: TEANAWAY R
3.6 E JCT SR 10, Kittitas, WA
Built 1977 Load: 37.2 t ADT: 5,653
SANDERS ROAD
FairOver: WILSON CREEK
00.27 NW GAME FARM, Kittitas, WA
Built 1955 Load: 37.2 t ADT: 2,122
US 12
FairOver: COWLITZ RIVER
7.8 E JCT SR 131, Lewis, WA
Built 1948 Load: 37.2 t ADT: 2,648
NO DATA ENTERED
FairOver: YELLOWJACKET CREEK
RANDLE TO 25, 23, 28 RD., Lewis, WA
Built 1976 Load: 37.2 t ADT: 437
PLEASANT VALLEY RD
FairOver: EAST CREEK
0.3 W JCT SR 7, Lewis, WA
Built 1976 Load: 37.2 t ADT: 189
WILSON ROAD
FairOver: KLICKITAT CREEK
2.0 W MOSSYROCK, Lewis, WA
Built 1957 Load: 37.2 t ADT: 105
KIONA RD
FairOver: KIONA CR.
0.35 SW JCT 75990, Lewis, WA
Built 1962 Load: 37.2 t ADT: 724
DEEP CREEK ROAD
FairOver: DEEP CREEK
03.45 N JCT 24034, Lewis, WA
Built 1978 Load: 37.2 t ADT: 55
KING ROAD
FairOver: KING CREEK
1.6 W WINLOCK, Lewis, WA
Built 1958 Load: 37.2 t ADT: 225
Old Olympic Highwa
FairOver: KENNEDY CREEK
0.40 S JCT SR 101, Mason, WA
Built 1917 Load: 37.2 t ADT: 72
COUNTY ROAD 1090
FairOver: BUTTER MILK CREEK
11.1 W.SR20 @ TWISP, Okanogan, WA
Built 1960 Load: 37.2 t ADT: 74
US 101
FairOver: NIAWIAKUM RIVER
14.8 N JCT SR 4, Pacific, WA
Built 1991 Load: 37.2 t ADT: 3,048
8 AV S
FairOver: TACOMA RAIL MTN DIV OC
.4 S JCT SR 507, Pierce, WA
Built 1965 Load: 37.2 t ADT: 4,025
BAKER LAKE ROAD
FairOver: GRANDY CREEK NEAR LAKE
4.0 NE JCT SR 20, Skagit, WA
Built 1968 Load: 37.2 t ADT: 725
I-5
FairOver: UNION SLOUGH
3.3 N JCT US 2, Snohomish, WA
Built 1968 Load: 37.2 t ADT: 63,840
I-5
FairOver: UNION SLOUGH
3.3 N JCT US 2, Snohomish, WA
Built 1968 Load: 37.2 t ADT: 63,840
SR 526
FairOver: AIRPORT RD
1.4 E JCT SR 525, Snohomish, WA
Built 1969 Load: 37.2 t ADT: 29,446
I-90
FairOver: S HAVANA ST
3.0 E JCT US 2, Spokane, WA
Built 1957 Load: 37.2 t ADT: 121,638
PEONE ROAD
FairOver: DEADMAN CREEK
0.40 MI S HWY 206, Spokane, WA
Built 1949 Load: 37.2 t ADT: 567
IDAHO ROAD
FairOver: ROSE CREEK
0.08 MI N OF CHATCOLET RD, Spokane, WA
Built 1958 Load: 37.2 t ADT: 62
FANCHER ROAD
FairOver: RAILROAD AVE & BNSF
0.25 S SSH NO 290, Spokane, WA
Built 1982 Load: 37.2 t ADT: 14,700
SR 4
FairOver: ELOCHOMAN RIVER
29.0 E JCT SR 401, Wahkiakum, WA
Built 1955 Load: 37.2 t ADT: 2,033
I-82
FairOver: SNIPES MTN LATERAL CANAL
7.5 E JCT SR 223, Yakima, WA
Built 1980 Load: 37.2 t ADT: 12,033
I-82
FairOver: UP RR
8.9 E JCT SR 223, Yakima, WA
Built 1982 Load: 37.2 t ADT: 9,325
PYRAMID BASIN
FairOver: N.FORK LITLE NACHES RVR
NO DATA ENTERED, Yakima, WA
Built 1972 Load: 37.2 t ADT: 40
228 PLACE SE
FairOver: GREEN RIVER
0.2 MI E OF GREEN VLY RD, King, WA
Built 1991 Load: 37.3 t ADT: 350
US 97
FairOver: METHOW RIVER
0.1 N JCT SR 153, Okanogan, WA
Built 1966 Load: 37.3 t ADT: 5,569
OLD MILTON HWY
FairOver: YELLOWHAWK CREEK
01.46N STATELINE RD, Walla Walla, WA
Built 1920 Load: 37.3 t ADT: 1,795
FOLEY RD
FairOver: EAST LOW CANAL
00.05 MI E BOOKER, Adams, WA
Built 1953 Load: 37.6 t ADT: 195
TERRITORIAL ROAD
FairOver: TUCANNON RIVER
0.231 MI LEFT SR12, Columbia, WA
Built 1998 Load: 37.6 t ADT: 25
SR 542
FairOver: N FORK NOOKSACK RIVER
23.7 E JCT SR 547, Whatcom, WA
Built 1957 Load: 37.6 t ADT: 633
HELEN REPP/6180
FairOver: UNION FLAT CREEK
0.26 MI S UNION FLAT CRK, Whitman, WA
Built 1973 Load: 37.6 t ADT: 25
Showing 4,001-4,050 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 |