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 261
GoodOver: DRY RUN
2.2 N JCT SR 26, Adams, WA
Built 1947 Load: 24.3 t ADT: 460
19TH AVENUE
GoodOver: CID CANAL
.40 W WASHINGTON, Benton, WA
Built 1971 Load: 24.3 t ADT: 2,601
CO RD 43020
GoodOver: HIGHLINE CANAL
0.11 MAIN STREET, Chelan, WA
Built 1932 Load: 24.3 t ADT: 979
COLOCKUM PASS RD
GoodOver: COLOCKUM CREEK
12.0 S OF MALAGA, Chelan, WA
Built 1979 Load: 24.3 t ADT: 50
I-5
GoodOver: TODD RD
6.6 N JCT SR 503, Cowlitz, WA
Built 1971 Load: 24.3 t ADT: 34,640
SR 21
GoodOver: SAN POIL RIVER
2.8 N JCT SR 20, Ferry, WA
Built 1987 Load: 24.3 t ADT: 1,521
SR 21
GoodOver: DRY COULEE
1.3 N JCT SR 260, Franklin, WA
Built 1963 Load: 24.3 t ADT: 161
COUNTY ROAD
GoodOver: POTHOLES EAST CANAL
0.49 S RUSSELL 670, Franklin, WA
Built 1957 Load: 24.3 t ADT: 183
FRENCHMAN HILLS RD
GoodOver: WEST CANAL TUNNEL WW
Frenchmen Hill 1.2 E of I, Grant, WA
Built 1962 Load: 24.3 t ADT: 368
5 RD SE
GoodOver: IRRIGATION WASTEWAY
5 SE .4 West of M SE, Grant, WA
Built 1987 Load: 24.3 t ADT: 203
M NE
GoodOver: EAST LOW CANAL BLK 40
M NE 0.2 South of 10 NE, Grant, WA
Built 1996 Load: 24.3 t ADT: 443
FEISS RD
GoodOver: CON NA WAI CREEK
Fiess Rd 0.01 W of X NE, Grant, WA
Built 2000 Load: 24.3 t ADT: 56
SR 410
GoodOver: ANGELINE RD
3.5 E JCT SR 162, Pierce, WA
Built 1983 Load: 24.3 t ADT: 21,764
Barker Road
GoodOver: SPOKANE RIVER
0.5 S EUCLID ROAD, Spokane, WA
Built 2010 Load: 24.3 t ADT: 7,200
WAWAWAI/9000
GoodOver: UNNAMED DRAINAGE
20.59 MI SW SR 195, Whitman, WA
Built 1972 Load: 24.3 t ADT: 117
EVANS/8350
GoodOver: UNION FLAT CREEK
2.23 MI NE SR 194, Whitman, WA
Built 1993 Load: 24.3 t ADT: 20
MCINTOSH/5270
GoodOver: ROSE CREEK
1.01 MI SW PARVIN, Whitman, WA
Built 2000 Load: 24.3 t ADT: 34
US 97
GoodOver: MARION DRAIN CANAL
24.8 N KLICKITAT CO, Yakima, WA
Built 1931 Load: 24.3 t ADT: 3,984
NO DATA ENTERED
GoodOver: FAWN CREEK - FLTP
Timothy Meadows, Yakima, WA
Built 2020 Load: 24.3 t ADT: 150
NORTH FORK RD.
GoodOver: AHTANUM CREEK, N. FORK
06.19 NW AHTANUM RD, Yakima, WA
Built 1987 Load: 24.3 t ADT: 315
RESERVOIR LOOP
GoodOver: CANAL - NO.1 LATERAL
00.38 W Speyers Rd, Yakima, WA
Built 1992 Load: 24.3 t ADT: 130
LIND-RALSTON RD
GoodOver: LIND COULEE
4.0 E US395, Adams, WA
Built 1993 Load: 24.5 t ADT: 103
US 97
GoodOver: PESHASTIN CREEK
10.1 N KITTITAS CO, Chelan, WA
Built 1958 Load: 24.5 t ADT: 5,791
US 97
GoodOver: PESHASTIN CREEK
10.7 N KITTITAS CO, Chelan, WA
Built 1958 Load: 24.5 t ADT: 5,791
US 97
GoodOver: PESHASTIN CREEK
12.2 N KITTITAS CO, Chelan, WA
Built 1958 Load: 24.5 t ADT: 5,791
US 97
GoodOver: PESHASTIN CREEK
12.3 N KITTITAS CO, Chelan, WA
Built 1958 Load: 24.5 t ADT: 5,791
US 97
GoodOver: PESHASTIN CREEK
10.0 N KITTITAS CO, Chelan, WA
Built 1958 Load: 24.5 t ADT: 5,791
NO DATA ENTERED
GoodOver: N FK CALAWAH RIVER
NO DATA ENTERED, Clallam, WA
Built 1975 Load: 24.5 t ADT: 100
SR 500
GoodOver: UTILITY VAULT
14.4 E JCT SR 503, Clark, WA
Built 1954 Load: 24.5 t ADT: 3,501
SR 500
GoodOver: 39TH ST NE
0.2 E JCT I-5, Clark, WA
Built 1984 Load: 24.5 t ADT: 16,812
SR 500
GoodOver: NE 39TH ST
0.2 E JCT I-5, Clark, WA
Built 1984 Load: 24.5 t ADT: 16,812
SR 260
GoodOver: IRRIGATION CANAL
3.1 E JCT SR 17, Franklin, WA
Built 1956 Load: 24.5 t ADT: 1,895
SR 17
GoodOver: PARKER HORN
0.3 N JCT SR 171, Grant, WA
Built 1955 Load: 24.5 t ADT: 19,362
N RD SW
GoodOver: IRRIGATION LATERAL
N SW @ 12.5, Grant, WA
Built 1958 Load: 24.5 t ADT: 74
NO DATA ENTERED
GoodOver: W FK SATSOP RIVER
NO DATA ENTERED, Grays Harbor, WA
Built 1966 Load: 24.5 t ADT: 10
NO DATA ENTERED
GoodOver: W FK SATSOP RIVER
NO DATA ENTERED, Grays Harbor, WA
Built 1966 Load: 24.5 t ADT: 10
NO DATA ENTERED
GoodOver: CHESTER CREEK
NO DATA ENTERED, Grays Harbor, WA
Built 1957 Load: 24.5 t ADT: 50
SR 20
GoodOver: STATE PARK ROAD/TRAIL
25.2 E JCT SR 525, Island, WA
Built 1935 Load: 24.5 t ADT: 18,339
SR 202
GoodOver: BEAR CREEK
7.6 E JCT SR 522, King, WA
Built 1978 Load: 24.5 t ADT: 35,875
SW 16TH STREET
GoodOver: SPRINGBROOK CREEK
0.2 MI S OF I-405, King, WA
Built 1991 Load: 24.5 t ADT: 2,250
WEST TANEUM ROAD
GoodOver: HILINE SPILLWAY
00.30 W THORP CEM R, Kittitas, WA
Built 1964 Load: 24.5 t ADT: 128
BOYLSTON ROAD
GoodOver: GROUND RELIEF
03.08 E PRATER ROAD, Kittitas, WA
Built 1968 Load: 24.5 t ADT: 155
GARRARD CREEK RD.
GoodOver: INDEPENDENCE CREEK
0.23 W JCT 91008, Lewis, WA
Built 1965 Load: 24.5 t ADT: 192
HAYWIRE ROAD
GoodOver: STEARNS CREEK
2.65 West Of Napavine, Lewis, WA
Built 1940 Load: 24.5 t ADT: 238
BISHOP ROAD
GoodOver: DILLENBAUGH CREEK
1.11 SW CHEHALIS, Lewis, WA
Built 1955 Load: 24.5 t ADT: 3,654
MAIN STREET
GoodOver: DAVIS CREEK
0.3 NW JCT US 2, Lincoln, WA
Built 1940 Load: 24.5 t ADT: 500
Skokomish Valley R
GoodOver: VANCE CREEK
4.58 W JCT SR101, Mason, WA
Built 1959 Load: 24.5 t ADT: 494
US 97
GoodOver: BONAPARTE CR
22.4 N JCT SR 215, Okanogan, WA
Built 1957 Load: 24.5 t ADT: 5,549
SR 161
GoodOver: TANWAX CR
10.2 N JCT SR 7, Pierce, WA
Built 1900 Load: 24.5 t ADT: 6,916
WEBSTER RD E
GoodOver: SOUTH CREEK
1.33 NE JCT SR161, Pierce, WA
Built 1954 Load: 24.5 t ADT: 475
Showing 5,351-5,400 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 |