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
ROAD
FairOver: CLE ELUM
NO DATA ENTERED, Kittitas, WA
Built 1961 Load: 21.4 t ADT: 50
BULLFROG ROAD
FairOver: CLE ELUM RIVER
00.40 N I-90, Kittitas, WA
Built 1965 Load: 21.4 t ADT: 3,565
SHRANTZ ROAD
FairOver: WOOD GULCH CREEK
1.2 E Jct CR 38000, Klickitat, WA
Built 1975 Load: 21.4 t ADT: 51
WOODS ROAD
FairOver: SWALE CREEK
1.0 S JCT CR 22000, Klickitat, WA
Built 1986 Load: 21.4 t ADT: 16
UECKER ROAD
FairOver: SWALE CREEK
0.2 S JCT CR 22000, Klickitat, WA
Built 1995 Load: 21.4 t ADT: 22
KNOELL ROAD
FairOver: DUCK CREEK
3.46 W SR 28, Lincoln, WA
Built 1972 Load: 21.4 t ADT: 37
OCR 3683
FairOver: MILL CREEK
1.29 NO.JCT.SR155, Okanogan, WA
Built 1958 Load: 21.4 t ADT: 92
FAS ROUTE F241
FairOver: SALMON CREEK
.SESWS6T35NR25E, Okanogan, WA
Built 1949 Load: 21.4 t ADT: 983
OCR 3683
FairOver: SMITH CREEK
0.72 NO.JCT.SR155, Okanogan, WA
Built 1958 Load: 21.4 t ADT: 92
2ND STREET
FairOver: SPANGLE CREEK
0.1 E OLD SR 195, Spokane, WA
Built 1983 Load: 21.4 t ADT: 266
1ST STREET
FairOver: SPANGLE CREEK
0.1 E OLD SR 195, Spokane, WA
Built 1983 Load: 21.4 t ADT: 384
SR 542
FairOver: COAL CREEK
6.1 E JCT SR 9, Whatcom, WA
Built 1946 Load: 21.4 t ADT: 5,182
HILLSIDE RD
FairOver: FALLS CREEK
01.9 W VALLEY HWY, Whatcom, WA
Built 1969 Load: 21.4 t ADT: 194
ALDERSON RD
FairOver: TERRELL CREEK
0.01 W BIRCHBAY DR, Whatcom, WA
Built 1987 Load: 21.4 t ADT: 2,184
PALOUSE-ALBN/5420
FairOver: FOUR MILE CREEK
0.14 MI W SR 27, Whitman, WA
Built 1980 Load: 21.4 t ADT: 103
PLANK RD.
FairOver: SATUS CREEK
00.49 SO TULE ROAD, Yakima, WA
Built 1956 Load: 21.4 t ADT: 400
NILE ROAD
FairOver: NACHES RIVER
00.19 W 0F SR 410, Yakima, WA
Built 1969 Load: 21.4 t ADT: 695
HARRAH ROAD
FairOver: WAPATO CANAL
00.10 N EVANS ROAD, Yakima, WA
Built 1960 Load: 21.4 t ADT: 1,072
SWAN ROAD
FairOver: SNIPES CANAL
00.01 N SNIPES CANL, Yakima, WA
Built 1957 Load: 21.4 t ADT: 1,250
LATERAL '1' RD.
FairOver: USIS CANAL
0.12 BEFORE RIGGS RD., Yakima, WA
Built 2001 Load: 21.4 t ADT: 566
SCHOONOVER RD
FairOver: MILWAUKEE COULEE
6.90 MI N ROSENOFF RD, Adams, WA
Built 1956 Load: 21.7 t ADT: 33
HATTON RD
FairOver: DRY WASH
00.99 MI W SR21, Adams, WA
Built 1927 Load: 21.7 t ADT: 21
NE 239TH ST
FairOver: MILL CREEK
0.5 W OF NE72 AVE, Clark, WA
Built 1935 Load: 21.7 t ADT: 1,526
N E 23RD AVE
FairOver: ROCKWELL CREEK
0.1 N OF 134TH STREET, Clark, WA
Built 2004 Load: 21.7 t ADT: 6,785
ABERNATHY CREEK RD
FairOver: ABERNATHY CREEK
4.34 N OF SR 4 (MP 48.32), Cowlitz, WA
Built 1962 Load: 21.7 t ADT: 200
BEND ROAD
FairOver: POTHOLES EAST CANAL
0.57N JCT 200, Franklin, WA
Built 1956 Load: 21.7 t ADT: 40
COUNTY ROAD
FairOver: SCOOTENEY WASTEWAY
.02E JCT R 229, Franklin, WA
Built 1956 Load: 21.7 t ADT: 69
I-90
FairOver: MOSES LAKE
23.8 E JCT SR 281, Grant, WA
Built 1958 Load: 21.7 t ADT: 14,251
B ROAD NW
FairOver: WEST CANAL BLK 701
B NW .2 N of 18 NW, Grant, WA
Built 1975 Load: 21.7 t ADT: 714
SOUTH BANK ROAD
FairOver: CHEHALIS R OVERFLOW
1.0 S JCT SR 12, Grays Harbor, WA
Built 1965 Load: 21.7 t ADT: 2,917
SOUTH BANK ROAD
FairOver: CHEHALIS RIVER
1.7 SW JCT SR 12, Grays Harbor, WA
Built 1930 Load: 21.7 t ADT: 921
I-90
FairOver: MERCER SLOUGH
6.4 E JCT I-5, King, WA
Built 1970 Load: 21.7 t ADT: 31,000
NE 12TH ST
FairOver: PARKING LOT
NE 12TH & 124TH NE, King, WA
Built 1971 Load: 21.7 t ADT: 18,028
NORTH THORP HWY
FairOver: YAKIMA RIVER
00.82 SE SR-10, Kittitas, WA
Built 1936 Load: 21.7 t ADT: 237
FAS ROUTE 9221
FairOver: COUNTY ROAD 9221
.NW SE S4,T34,R25, Okanogan, WA
Built 1969 Load: 21.7 t ADT: 61
Fish War Mem X-ing
FairOver: TERRAIN
0.2 N JCT I-5, Pierce, WA
Built 1925 Load: 21.7 t ADT: 15,000
ROAD
FairOver: BECKLER RIVER
7.3 MI N OF HWY 2/65 JCT, Snohomish, WA
Built 1953 Load: 21.7 t ADT: 44
SQUAW/3660
FairOver: SQUAW CREEK
1.15 MI SE SPKN CNTY LINE, Whitman, WA
Built 1979 Load: 21.7 t ADT: 57
PINECTY-MALDN/3000
FairOver: PINE CREEK
12.19 MI NE SR 23, Whitman, WA
Built 1974 Load: 21.7 t ADT: 268
FARMINGTON/1000
FairOver: HANGMAN CREEK
0.05 MI S GOLF COURSE, Whitman, WA
Built 1916 Load: 21.7 t ADT: 406
BATUM RD
FairOver: ROCKY COULEE
01.72 MI S DAVIS RD, Adams, WA
Built 1914 Load: 21.8 t ADT: 50
BENGE-WASHTUCNA RD
FairOver: COW CREEK
11.26 MI NE SR261, Adams, WA
Built 1914 Load: 21.8 t ADT: 50
HURRICANE RIDGE RO
FairOver: RAVINE
10.02 MI. S. OF JCT. HWY., Clallam, WA
Built 1955 Load: 21.8 t ADT: 603
ROAD
FairOver: TUCANNON RIVER
NO DATA ENTERED, Columbia, WA
Built 1952 Load: 21.8 t ADT: 50
SR 4
FairOver: HALF BR W OF BUNKER HILL
4.1 E WAHKIAKUM CO, Cowlitz, WA
Built 1930 Load: 21.8 t ADT: 4,665
SR 155
FairOver: COLUMBIA RIVER
0.2 N GRANT CO, Douglas, WA
Built 1935 Load: 21.8 t ADT: 4,738
SR 173
FairOver: COLUMBIA R
10.5 N JCT SR 17, Douglas, WA
Built 1970 Load: 21.8 t ADT: 3,621
US 12
FairOver: SNAKE R. & BN RY
2.9 E JCT I-182, Franklin, WA
Built 1986 Load: 21.8 t ADT: 12,949
SR 155
FairOver: DEVILS CREEK
16.8 N JCT US 2, Grant, WA
Built 1949 Load: 21.8 t ADT: 959
F RD SE
FairOver: IRRIGATION LATERAL
F SE 0.5 S of 13 SE, Grant, WA
Built 1954 Load: 21.8 t ADT: 307
Showing 2,301-2,350 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 |