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
THIRD STREET
GoodOver: REBEL FLAT CREEK
0.01 S INT. DEAN AVE, Whitman, WA
Built 2001 Load: 31.1 t ADT: 50
LONGMIRE LANE
GoodOver: DRY WASH
00.53 S. OF FINK RD, Yakima, WA
Built 1957 Load: 31.1 t ADT: 400
COWICHE MILL ROAD
GoodOver: CANAL - ABANDONED
00.49 W THOMPSON RD, Yakima, WA
Built 1957 Load: 31.1 t ADT: 255
L ROAD SW
GoodOver: LAT. RB4 BLK 82
Adams Rd .6 N of 11 SW, Grant, WA
Built 1990 Load: 31.4 t ADT: 1,034
24 ROAD SW
GoodOver: LAT. WB46 BLK 251
24 SW .6 East of O, Grant, WA
Built 1969 Load: 31.4 t ADT: 1,976
31 NE
GoodOver: ARBUCKLE DRAW
31 NE .4 East of Pinto, Grant, WA
Built 1994 Load: 31.4 t ADT: 65
STEVENS ROAD
GoodOver: HILINE CANAL
01.17 N I-90, Kittitas, WA
Built 1996 Load: 31.4 t ADT: 62
SEVEN MILE ROAD
GoodOver: HAWK CREEK
1.58 N SR 2, Lincoln, WA
Built 1997 Load: 31.4 t ADT: 8
COUNTY ROAD 1637
GoodOver: BEAVER CREEK
5.4 MI.N.JCT.SR20, Okanogan, WA
Built 1962 Load: 31.4 t ADT: 35
PRAIRIE VIEW RD
GoodOver: LATAH CREEK
0.1 S. WAVERLY ROAD, Spokane, WA
Built 1998 Load: 31.4 t ADT: 383
79TH AVE,N.
GoodOver: AHTANUM CREEK
00.13 S RUTHERFORD, Yakima, WA
Built 1963 Load: 31.4 t ADT: 135
COMPANY CREEK ROAD
GoodOver: COMPANY CREEK
5.1 Miles NW of Stehekin, Chelan, WA
Built 2002 Load: 31.7 t ADT: 50
I-205
GoodOver: SALMON CR/SALMON CR AVE
5.1 N JCT SR 500, Clark, WA
Built 1973 Load: 31.7 t ADT: 37,053
I-205
GoodOver: SALMON CR & AVE
5.1 N JCT SR 500, Clark, WA
Built 1973 Load: 31.7 t ADT: 37,053
BLACK CREEK ROAD
GoodOver: BLACK CREEK
00.5 NE JCT 9519, Grays Harbor, WA
Built 1982 Load: 31.7 t ADT: 236
SR 525
GoodOver: POSSESSION SOUND
1.9 N JCT SR 526, Island, WA
Built 2000 Load: 31.7 t ADT: 13,078
SR 20
GoodOver: PUGET SND @ PT TOWNSEND
12.9 E JCT US 101, Jefferson, WA
Built 1982 Load: 31.7 t ADT: 1,863
I-90
GoodOver: S FK SNOQUALMIE R
7.3 E JCT SR 202, King, WA
Built 1974 Load: 31.7 t ADT: 18,182
SR 900
GoodOver: TIBBETTS CR
9.0 E JCT I-405, King, WA
Built 1975 Load: 31.7 t ADT: 21,488
SW MICHIGAN ST
GoodOver: WETLAND MIT. CHANNEL
UNDER S APPR 99/530, King, WA
Built 1996 Load: 31.7 t ADT: 515
SR 18
GoodOver: KENT-BLACK DIAMOND RD
6.2 E JCT SR 164, King, WA
Built 1996 Load: 31.7 t ADT: 25,223
SUNNYSIDE ROAD
GoodOver: WHITE SALMON RIVER
2.44 E JCT SR 141, Klickitat, WA
Built 1972 Load: 31.7 t ADT: 400
US 12
GoodOver: CREEK TWIN CANYON
2.6 E JCT SR 122, Lewis, WA
Built 1967 Load: 31.7 t ADT: 4,729
STOWELL ROAD
GoodOver: MILL CREEK
0.5 N SALKUM, Lewis, WA
Built 1955 Load: 31.7 t ADT: 325
SCHEUBER ROAD
GoodOver: ALEXANDER CR.
1.7 N JCT SR 6, Lewis, WA
Built 1978 Load: 31.7 t ADT: 888
MASCHKE ROAD
GoodOver: STILLWATER CREEK
1.0 W VADER, Lewis, WA
Built 1974 Load: 31.7 t ADT: 37
FAS 1198
GoodOver: BNRR WARD STREET
00.0 JCT. W B ST., Lewis, WA
Built 1980 Load: 31.7 t ADT: 3,993
SR 231
GoodOver: ROCK CR
9.2 N JCT SR 23, Lincoln, WA
Built 1964 Load: 31.7 t ADT: 278
NYBERG ROAD
GoodOver: SO FORK NASELLE RIVER
0.74 E JCT 401, Pacific, WA
Built 1996 Load: 31.7 t ADT: 56
I-5
GoodOver: HYLEBOS CREEK
1.7 N JCT SR 99, Pierce, WA
Built 1960 Load: 31.7 t ADT: 94,829
I-5
GoodOver: HYLEBOS CREEK
1.7 N JCT SR 99, Pierce, WA
Built 1960 Load: 31.7 t ADT: 94,829
SR 512
GoodOver: WOODLAND AVE
4.6 E JCT SR 7, Pierce, WA
Built 1971 Load: 31.7 t ADT: 44,860
SR 512
GoodOver: WOODLAND AVE
4.6 E JCT SR 7, Pierce, WA
Built 1971 Load: 31.7 t ADT: 44,860
SR 512
GoodOver: FRUITLAND AVE
5.0 E JCT SR 7, Pierce, WA
Built 1971 Load: 31.7 t ADT: 44,860
SR 512
GoodOver: FRUITLAND AVE
5.0 E JCT SR 7, Pierce, WA
Built 1971 Load: 31.7 t ADT: 44,860
SR 410
GoodOver: 166TH AVE
1.1 E JCT SR 162, Pierce, WA
Built 1983 Load: 31.7 t ADT: 20,831
SR 522
GoodOver: ELLIOTT RD
6.3 E JCT SR 9, Snohomish, WA
Built 1963 Load: 31.7 t ADT: 15,235
MOUNTAIN LOOP HWY
GoodOver: SAUK RIVER
9.0 SE DARRINGTON, Snohomish, WA
Built 1983 Load: 31.7 t ADT: 650
ACCESS ROAD A
GoodOver: WETLAND
PAINE FIELD AIRPORT, Snohomish, WA
Built 2002 Load: 31.7 t ADT: 844
WOODARD BAY
GoodOver: WALKING TRAIL
0.3 m W Shinkle Rd, Thurston, WA
Built 1958 Load: 31.7 t ADT: 1,137
US 12
GoodOver: WELLINGTON AVE
2.6 E JCT SR 125, Walla Walla, WA
Built 1971 Load: 31.7 t ADT: 12,126
HEINEMAN RD
GoodOver: DRY WASH
00.20 MI W SR 395, Adams, WA
Built 1995 Load: 31.8 t ADT: 71
BUTCHER CREEK
GoodOver: NASON CREEK
NO DATA ENTERED, Chelan, WA
Built 1976 Load: 31.8 t ADT: 50
NO DATA ENTERED
GoodOver: SO FK SOLEDUCK RIVER
NO DATA ENTERED, Clallam, WA
Built 1956 Load: 31.8 t ADT: 50
SR 14
GoodOver: LAWTON CREEK
6.3 E JCT SR 500, Clark, WA
Built 1925 Load: 31.8 t ADT: 5,223
HI-POINT ROAD
GoodOver: POTHOLES EAST WASTEWAY
0.10 MILE E. R-170, Franklin, WA
Built 1996 Load: 31.8 t ADT: 99
L RD SW
GoodOver: SADDLE MOUNTAIN WASTEWAY
L SW .9 S of 24, Grant, WA
Built 1969 Load: 31.8 t ADT: 783
20 ROAD NW
GoodOver: WEST CANAL BLK 701
20 & A.5 NW, Grant, WA
Built 1987 Load: 31.8 t ADT: 444
M RD SW
GoodOver: WAHLUKE BRANCH CANAL
M SW 1.4 N of 24 SW, Grant, WA
Built 1969 Load: 31.8 t ADT: 157
Q RD NE
GoodOver: EAST LOW CANAL
Q NE .6 North of I-90, Grant, WA
Built 1992 Load: 31.8 t ADT: 439
Showing 6,001-6,050 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 |