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 507
FairOver: MUCK CREEK OVERFLOW
7.4 N JCT SR 702, Pierce, WA
Built 1920 Load: 17.2 t ADT: 10,772
LYNCH CREEK RD E
FairOver: LYNCH CREEK
.57 N JCT SR161, Pierce, WA
Built 1954 Load: 17.2 t ADT: 150
NORTH PROCTOR
FairOver: PUGET GULCH N32 TO N 33S
3.5 NW JCT I-5, Pierce, WA
Built 1927 Load: 17.2 t ADT: 8,088
ROCK CREEK DRIVE
FairOver: ROCK CREEK
BY COUNTY SHOPS, Skamania, WA
Built 1921 Load: 17.2 t ADT: 1,670
HILLIS RD
FairOver: GRANT CREEK
0.4 NW JCT SR 530, Snohomish, WA
Built 1978 Load: 17.2 t ADT: 348
NORMAN RD
FairOver: STILLAGUAMISH RIVER
1.5 SW JCT SR 530, Snohomish, WA
Built 1963 Load: 17.2 t ADT: 459
SEVEN MILE ROAD
FairOver: DEEP CREEK
0.5 NW PINE BLUFF, Spokane, WA
Built 1958 Load: 17.2 t ADT: 2,901
NORTHPORT-BOUNDARY
FairOver: DEEP CREEK
01.98 NE JCT SR 25, Stevens, WA
Built 1962 Load: 17.2 t ADT: 262
US 12
FairOver: DRY CREEK
12.1 E JCT SR 125 SPUR, Walla Walla, WA
Built 1920 Load: 17.2 t ADT: 4,172
BEHME RD
FairOver: DAKOTA CR
00.01 E VALLEY VIEW, Whatcom, WA
Built 1930 Load: 17.2 t ADT: 189
POTTER RD
FairOver: SLOUGH
00.4 W VALLEY HWY, Whatcom, WA
Built 1934 Load: 17.2 t ADT: 575
GILLIES RD
FairOver: SUMAS RIVER
00.2 N OF ALM RD., Whatcom, WA
Built 1932 Load: 17.2 t ADT: 280
LIND RD
FairOver: SMITH CR
00.1 S LAWRENCE RD., Whatcom, WA
Built 1955 Load: 17.2 t ADT: 50
LEWIS ROAD
FairOver: NACHES RIVER-SO. CHANNEL
00.50 E SO NACHES, Yakima, WA
Built 1953 Load: 17.2 t ADT: 143
CHERRY HILL ROAD
FairOver: GRANGER CANAL
00.24 S OF GAP ROAD, Yakima, WA
Built 1935 Load: 17.2 t ADT: 140
BUNN ROAD
FairOver: CHANDLER CANAL
BUNN RD AT CHANDLER CANAL, Benton, WA
Built 1954 Load: 17.3 t ADT: 50
ROAD
FairOver: MISSION CREEK
NO DATA ENTERED, Chelan, WA
Built 1949 Load: 17.3 t ADT: 10
CLEAR LAKE ROAD
FairOver: CLEAR CREEK
CLEAR LAKE DAM, Yakima, WA
Built 1936 Load: 17.3 t ADT: 100
JANTZ RD
FairOver: ROCKY COULEE
02.10 MI S DAVIS RD, Adams, WA
Built 1950 Load: 17.5 t ADT: 19
US 2
FairOver: PESHASTIN CREEK
0.3 E JCT US 97, Chelan, WA
Built 1940 Load: 17.5 t ADT: 7,134
CO RD 30170
FairOver: PESHASTIN CR
09.0SW DRYDEN, Chelan, WA
Built 1923 Load: 17.5 t ADT: 440
I-5
FairOver: COWEEMAN RIVER
1.4 N JCT SR 432, Cowlitz, WA
Built 1979 Load: 17.5 t ADT: 28,653
US 12
FairOver: SYLVIA CR NP RY
9.7 E JCT US 101, Grays Harbor, WA
Built 1968 Load: 17.5 t ADT: 10,767
PARKE CREEK ROAD
FairOver: HILINE CANAL
00.52 N VANTAGE HWY, Kittitas, WA
Built 1931 Load: 17.5 t ADT: 137
I-5
FairOver: CW RY
6.5 N JCT SR 508, Lewis, WA
Built 1953 Load: 17.5 t ADT: 72,086
NO DATA ENTERED
FairOver: BIG CREEK
0.1 MILE SOUTH OF JCT BS, Lewis, WA
Built 1958 Load: 17.5 t ADT: 16
RED BRIDGE ROAD
FairOver: CRAB CREEK
1.01 E SR 28, Lincoln, WA
Built 1970 Load: 17.5 t ADT: 15
MOXEE DUMP ROAD
FairOver: ROZA CANAL
00.08 E KONNOWAC PS, Yakima, WA
Built 1964 Load: 17.5 t ADT: 15
TERRACE HTS DRIVE
FairOver: YAKIMA RIVER
0.18 W BUTTERFIELD, Yakima, WA
Built 1979 Load: 17.5 t ADT: 22,500
Ahtanum Rd.
FairOver: Bachelor Creek
0.04 W Goodman Rd., Yakima, WA
Built 1969 Load: 17.5 t ADT: 10,018
HAMPTON RD
FairOver: DRY WASH
01.04 MI W FOULKES RD, Adams, WA
Built 1900 Load: 17.8 t ADT: 1
TAPTEAL LOOP
FairOver: COLUMBIA CENTER BLVD
0.21 S SR 240, Benton, WA
Built 1998 Load: 17.8 t ADT: 2,662
CHUMSTICK HWY
FairOver: CHUMSTICK CR
4.2 N JCT SR 2, Chelan, WA
Built 1952 Load: 17.8 t ADT: 2,886
OLD WEST MALAGA RD
FairOver: STEMILT CREEK
300' FROM STEMILT CRK RD, Chelan, WA
Built 1936 Load: 17.8 t ADT: 2
QUILLAYUTE ROAD
FairOver: SOL DUC RIVER
3.4 W JCT SR101, Clallam, WA
Built 1962 Load: 17.8 t ADT: 452
DAYBREAK ROAD
FairOver: E FORK LEWIS RIVER
0.1 Mile south of Hyatt R, Clark, WA
Built 1966 Load: 17.8 t ADT: 4,861
W KETTLE RIV ROAD
FairOver: KETTLE RIVER
09.5 N/W SR 21, Ferry, WA
Built 1950 Load: 17.8 t ADT: 235
SETTLER ROAD
FairOver: EAST LATERAL 85
.01 E WAREHOUSE 225, Franklin, WA
Built 1958 Load: 17.8 t ADT: 26
US 101
FairOver: DUCKABUSH RIVER
25.1 S JCT SR 104, Jefferson, WA
Built 1934 Load: 17.8 t ADT: 2,604
I-90
FairOver: HIGH POINT RD
4.4 E JCT SR 900, King, WA
Built 1975 Load: 17.8 t ADT: 32,655
FOSS RIVER ROAD
FairOver: FOSS RIVER
0.8 MI SE SR-2 MP 50.6, King, WA
Built 1951 Load: 17.8 t ADT: 40
NE TOLT HILL RD
FairOver: SNOQUALMIE RIVER
0.5 MI W OF SR-203, King, WA
Built 2008 Load: 17.8 t ADT: 3,200
SR 20
FairOver: BONAPARTE CREEK
0.9 E JCT US 97, Okanogan, WA
Built 1933 Load: 17.8 t ADT: 1,780
SR 165
FairOver: WILKESON CREEK
16.8 N RAINIER PARK, Pierce, WA
Built 1916 Load: 17.8 t ADT: 3,208
PACIFIC HWY SW
FairOver: CLOVER CREEK
.5 NW JCT SR 5, Pierce, WA
Built 1937 Load: 17.8 t ADT: 6,325
TAC SPUR-STAD WAY
FairOver: PAC AVE
1.0 N JCT SR 509, Pierce, WA
Built 1974 Load: 17.8 t ADT: 9,360
ANDERSON ROAD
FairOver: COLUMBIA PLATEAU TRAIL
1.0 E CHENEY-SPOK, Spokane, WA
Built 1971 Load: 17.8 t ADT: 221
SMITH SPRINGS RD
FairOver: DRY HOLLOW
13.38 N SR 124, Walla Walla, WA
Built 1932 Load: 17.8 t ADT: 36
N MEYER/9260
FairOver: UNION FLAT CREEK
0.66 MI W SR 195, Whitman, WA
Built 1964 Load: 17.8 t ADT: 48
WALTERS ROAD
FairOver: MOXEE DRAIN
00.25 S OF SR 24, Yakima, WA
Built 1958 Load: 17.8 t ADT: 489
Showing 1,801-1,850 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 |