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 25
FairOver: SHEEP CREEK
34.3 N JCT US 395, Stevens, WA
Built 1937 Load: 22.7 t ADT: 475
South Loon Lake Rd
FairOver: RAILROAD
00.28 W JCT SR 395, Stevens, WA
Built 1952 Load: 22.7 t ADT: 322
TELEGRAPH RD N
FairOver: SUMAS RIVER
00.2 N.E.DEETER RD., Whatcom, WA
Built 1953 Load: 22.7 t ADT: 1,120
HANNEGAN RD
FairOver: NOOKSACK RIVER
00.1 N POLINDER RD., Whatcom, WA
Built 1934 Load: 22.7 t ADT: 9,332
ROBINSON STREET
FairOver: NOOKSACK SLOUGH
0.06 E EVERSON RD, Whatcom, WA
Built 1960 Load: 22.7 t ADT: 10
GASLINE/4310
FairOver: PLEASANT VALLEY CREEK
.18 MI. WEST SR 23, Whitman, WA
Built 1921 Load: 22.7 t ADT: 60
WALTER SCHOLZ/6150
FairOver: UNION FLAT CREEK
0.21 MI S UNION FLAT CRK, Whitman, WA
Built 1974 Load: 22.7 t ADT: 50
L WEST/5210
FairOver: BRANCH FOUR MILE CREEK
1.28 MI NE SR 27, Whitman, WA
Built 1915 Load: 22.7 t ADT: 10
OLD BARN RD/5230
FairOver: FOUR MILE CREEK
0.05 MI N VIOLA, Whitman, WA
Built 1900 Load: 22.7 t ADT: 6
COUNTRYMAN/3185
FairOver: COTTONWOOD CREEK
1.12 MI N SR 23, Whitman, WA
Built 1922 Load: 22.7 t ADT: 50
STALEY/9030
FairOver: STALEY CREEK
1.89 MI SW JOHNSON, Whitman, WA
Built 1971 Load: 22.7 t ADT: 51
ENDICOTT/4000
FairOver: REBEL FLAT CREEK
8.76 MI E ADAMS CNTY LINE, Whitman, WA
Built 1975 Load: 22.7 t ADT: 554
PITTS CEMETRY/5690
FairOver: FOUR MILE CREEK
0.01 MI N TATE CUT OFF, Whitman, WA
Built 1900 Load: 22.7 t ADT: 10
STATE ST
FairOver: S FORK PALOUSE RIVER
0.08 N JCT SR 270, Whitman, WA
Built 1981 Load: 22.7 t ADT: 4,272
FORT ROAD
FairOver: DRAIN
0.19 W.W.STEPHENSON, Yakima, WA
Built 1946 Load: 22.7 t ADT: 2,250
US 12
FairOver: PACIFIC P L TAILRACE
7.5 E JCT SR 410, Yakima, WA
Built 1969 Load: 22.7 t ADT: 5,637
NACHES HIGHWAY,OLD
FairOver: NACHES-SELAH CANAL
01.29 N&E OF SR-410, Yakima, WA
Built 1957 Load: 22.7 t ADT: 245
N Wildwood Rd
FairOver: Irrigation Canal
0.2 N W Wapato Road, Yakima, WA
Built 1961 Load: 22.7 t ADT: 125
ROLOFF RD
FairOver: DRY WASH
0.8 E SR261, Adams, WA
Built 1953 Load: 23.0 t ADT: 13
SUKO RD
FairOver: DRY WASH
00.09 MI N LIND-RALSTON, Adams, WA
Built 1949 Load: 23.0 t ADT: 12
LIND-HATTON RD
FairOver: INTERMITTENT STREAM
00.76 MI SW SR21, Adams, WA
Built 1957 Load: 23.0 t ADT: 164
DISTRICT LINE ROAD
FairOver: CHANDLER CANAL
00.126 NW of OIEH, Benton, WA
Built 1953 Load: 23.0 t ADT: 306
HESS ROAD
FairOver: CHANDLER CANAL
00.93 E OIEH, Benton, WA
Built 1953 Load: 23.0 t ADT: 145
WEST SATSOP ROAD
FairOver: STILL CREEK
02.3 N JCT 9725, Grays Harbor, WA
Built 1971 Load: 23.0 t ADT: 184
6TH STREET
FairOver: DIVISION CREEK
DIVISION CREEK, Grays Harbor, WA
Built 1937 Load: 23.0 t ADT: 2,080
I-5
FairOver: NE 155TH ST
0.5 N JCT SR 523, King, WA
Built 1964 Load: 23.0 t ADT: 93,295
I-5
FairOver: NE 155TH ST
0.5 N JCT SR 523, King, WA
Built 1964 Load: 23.0 t ADT: 93,295
I-5 NB
FairOver: TERRAIN
5.8 N JCT SR 900, King, WA
Built 1966 Load: 23.0 t ADT: 94,901
I-5 RAMP
FairOver: TERRAIN
5.5 N JCT SR 900, King, WA
Built 1967 Load: 23.0 t ADT: 5,855
BEACON AVE S
FairOver: SO RYAN WY
0.5 MI E OF I-5, King, WA
Built 1971 Load: 23.0 t ADT: 379
KAMBER ROAD
FairOver: RICHARDS CREEK
SE 26th & 132nd, King, WA
Built 2005 Load: 23.0 t ADT: 9,709
I-90
FairOver: YAKIMA RIVER
24.1 E JCT SR 906, Kittitas, WA
Built 1917 Load: 23.0 t ADT: 16,953
SR 10
FairOver: DRY CR
16.2 E JCT SR 970, Kittitas, WA
Built 1930 Load: 23.0 t ADT: 1,639
BLUESTEM ROAD
FairOver: CRAB CREEK
12.59 SE SR 28, Lincoln, WA
Built 1940 Load: 23.0 t ADT: 114
BROADWAY STREET
FairOver: NORTH FORK CREEK
0.02 E OF MAIN ST., Okanogan, WA
Built 1982 Load: 23.0 t ADT: 50
SR 11
FairOver: GN RY, COLONY CREEK
9.2 N JCT I-5, Skagit, WA
Built 1931 Load: 23.0 t ADT: 2,412
BAY VIEW-EDISON RD
FairOver: SAMISH SLOUGH
0.4 W JCT FARM TO MARKET, Skagit, WA
Built 1965 Load: 23.0 t ADT: 1,026
N. KENTUCK TRAILS
FairOver: LATAH CREEK
05.0 N WAVERLY, Spokane, WA
Built 1961 Load: 23.0 t ADT: 143
SR 11
FairOver: PADDEN CREEK
5.7 N SKAGIT CO, Whatcom, WA
Built 1932 Load: 23.0 t ADT: 10,546
ROEDER AVE
FairOver: WHATCOM CREEK/WATERWAY
AT JCT CENTRAL AVE, Whatcom, WA
Built 1995 Load: 23.0 t ADT: 7,800
MEEKER/7130
FairOver: WILLOW CREEK
0.07 MI S SR 26, Whitman, WA
Built 1980 Load: 23.0 t ADT: 40
WILHELM/0060
FairOver: PINE CREEK
0.33 MI SW WATERMAN, Whitman, WA
Built 1970 Load: 23.0 t ADT: 35
NELSON/1460
FairOver: CEDAR CREEK
0.16 MI N GRINNELL, Whitman, WA
Built 1965 Load: 23.0 t ADT: 40
MCDONALD RD.
FairOver: USIS CANAL
00.51 W SO WAPATO, Yakima, WA
Built 1956 Load: 23.0 t ADT: 325
I-90
FairOver: HILLS NORTH RD
7.3 E JCT SR 261, Adams, WA
Built 1958 Load: 23.3 t ADT: 10,355
I-90
FairOver: DAMON RD
10.3 E GRANT CO, Adams, WA
Built 1972 Load: 23.3 t ADT: 5,871
I-90
FairOver: DAMON RD
10.3 E GRANT CO, Adams, WA
Built 1972 Load: 23.3 t ADT: 5,871
LIND-WARDEN RD
FairOver: LIND COULEE
00.48 MI W ROXBORO, Adams, WA
Built 1954 Load: 23.3 t ADT: 130
US 101
FairOver: LAKE CREEK
5.4 N JCT SR 110, Clallam, WA
Built 1946 Load: 23.3 t ADT: 3,890
J R ANDERSON RD
FairOver: MASON CREEK
0.2W MASON CK RD, Clark, WA
Built 1959 Load: 23.3 t ADT: 446
Showing 2,501-2,550 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 |