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
I-82
FairOver: YAKIMA RIVER
0.4 E JCT SR 823, Yakima, WA
Built 1932 Load: 24.5 t ADT: 12,714
DEEP CREEK ROAD
FairOver: COPPER CREEK
PAST BUMPING LAKE, Yakima, WA
Built 1940 Load: 24.5 t ADT: 20
SR 26
FairOver: POTHOLES EAST CANAL
8.8 E GRANT CO, Adams, WA
Built 1955 Load: 24.6 t ADT: 7,237
SCHRAG RD
FairOver: FARRIER COULEE
00.61 MI W DEAL RD, Adams, WA
Built 1938 Load: 24.6 t ADT: 57
COLUMBIA PRK TRAIL
FairOver: COLUMBIA IRR DIST CANAL
1.2 NW JCT N STEPTOE ST, Benton, WA
Built 1929 Load: 24.6 t ADT: 2,000
CASCADE ORCHARD RD
FairOver: WENATCHEE RIVER
00.83S SR 2, Chelan, WA
Built 1965 Load: 24.6 t ADT: 3,349
Old Blewett Road
FairOver: Peshastin Creek
0.99 Mi W. of SR 97, Chelan, WA
Built 1977 Load: 24.6 t ADT: 26
EDGEWOOD DRIVE
FairOver: DRY CREEK
01.90 E JCT SR112, Clallam, WA
Built 1957 Load: 24.6 t ADT: 1,748
US 12
FairOver: CEDAR CREEK
10.5 E JCT SR 8, Grays Harbor, WA
Built 1932 Load: 24.6 t ADT: 5,708
US 101
FairOver: QUINAULT RIVER
39.1 N JCT SR 109, Grays Harbor, WA
Built 1961 Load: 24.6 t ADT: 2,164
SE 80TH ST
FairOver: KIMBALL CREEK
0.4 MI W OF SR-202, King, WA
Built 1929 Load: 24.6 t ADT: 398
HUSUM ST
FairOver: WHITE SALMON RIVER
0.01 W JCT SR141, Klickitat, WA
Built 1993 Load: 24.6 t ADT: 122
US 2
FairOver: CORBETT DRAW
2.8 E GRANT CO, Lincoln, WA
Built 1933 Load: 24.6 t ADT: 1,226
COUNTY ROAD 9140
FairOver: GATE CREEK
.NWSWS10T36NR19E, Okanogan, WA
Built 1971 Load: 24.6 t ADT: 488
CHARLES ROAD
FairOver: SPOKANE RIVER
CHARLES RD OC, Spokane, WA
Built 1976 Load: 24.6 t ADT: 3,191
I-5
FairOver: MEADOR AVE
2.8 N JCT SR 11, Whatcom, WA
Built 1957 Load: 24.6 t ADT: 35,827
JONES RD
FairOver: SAAR CR
00.7 W NIMS RD., Whatcom, WA
Built 1946 Load: 24.6 t ADT: 206
JACKSON RD
FairOver: TERRELL CREEK
00.3 N Grandview Road, Whatcom, WA
Built 2003 Load: 24.6 t ADT: 897
COUNTY ROAD 1050
FairOver: ASOTIN CREEK
0.1S JCT CO RD 1100, Asotin, WA
Built 1951 Load: 24.9 t ADT: 230
CHELAN FALLS ROAD
FairOver: CHELAN RIVER
00.20N CHELAN FALLS, Chelan, WA
Built 1976 Load: 24.9 t ADT: 1,089
SR 500
FairOver: WASHOUGAL RIVER
14.4 E JCT SR 503, Clark, WA
Built 1954 Load: 24.9 t ADT: 3,501
20 ROAD NE
FairOver: EAST LOW CANAL
20 NE @ EAST LOW CANAL, Grant, WA
Built 1947 Load: 24.9 t ADT: 317
SR 109
FairOver: JESSIE SLOUGH
10.8 N JCT US 101, Grays Harbor, WA
Built 1952 Load: 24.9 t ADT: 6,338
US 12
FairOver: SATSOP R OVERFLOW
5.1 E JCT SR 107, Grays Harbor, WA
Built 1965 Load: 24.9 t ADT: 11,538
I-5 SB
FairOver: TERRAIN
5.6 N JCT SR 900, King, WA
Built 1967 Load: 24.9 t ADT: 94,901
196TH AVE NE
FairOver: EVANS CREEK
0.9 MI N OF SR-202, King, WA
Built 1913 Load: 24.9 t ADT: 500
GRADY WAY
FairOver: UPRR & BNRR
0.1 MI E OF INTERURBAN, King, WA
Built 1986 Load: 24.9 t ADT: 26,000
LINCOLN CREEK RD
FairOver: LINCOLN CR.
1.01 W JCT 91000, Lewis, WA
Built 1976 Load: 24.9 t ADT: 710
DUCK LAKE RD
FairOver: DUCK CREEK
04.30 NE SR 21, Lincoln, WA
Built 1972 Load: 24.9 t ADT: 186
SR 101
FairOver: CUSHMAN TAILRACE
19.9 S JEFFERSON CO, Mason, WA
Built 1930 Load: 24.9 t ADT: 7,100
SR 155 SPUR
FairOver: OKANOGAN RIVER
0.2 W JCT SR 155, Okanogan, WA
Built 1923 Load: 24.9 t ADT: 5,801
SR 706
FairOver: COPPER CR
11.2 E JCT SR 7, Pierce, WA
Built 1922 Load: 24.9 t ADT: 2,222
N WINNIFRED ST
FairOver: BNSF RAILROAD
51. N WINNIFRED ST, Pierce, WA
Built 1942 Load: 24.9 t ADT: 1,000
CONC SAUK VALLEY R
FairOver: SKAGIT RIVER
1.5 S JCT SR 20, Skagit, WA
Built 1952 Load: 24.9 t ADT: 2,562
LAKE CAVANAUGH RD
FairOver: BEAR CREEK
8.0 E JCT SR 9, Skagit, WA
Built 1967 Load: 24.9 t ADT: 578
CANYON CREEK RD
FairOver: WASHOUGAL RIVER
1.1 E CLARK CO, Skamania, WA
Built 1982 Load: 24.9 t ADT: 1,249
SR 530
FairOver: SQUIRE CREEK
24.2 E JCT SR 9, Snohomish, WA
Built 1972 Load: 24.9 t ADT: 3,267
I-90
FairOver: HANGMAN CREEK
0.4 E JCT US 195, Spokane, WA
Built 1963 Load: 24.9 t ADT: 44,287
DISHMAN-MICA RD
FairOver: CHESTER CREEK
0.1 S CHESTER, Spokane, WA
Built 1999 Load: 24.9 t ADT: 5,800
SAXON RD
FairOver: SKOOKUM CR
03.42 E OF SR 9, Whatcom, WA
Built 1980 Load: 24.9 t ADT: 256
SOUTH PASS RD
FairOver: SWIFT CR
00.2 E NOOKSACK RD., Whatcom, WA
Built 1935 Load: 24.9 t ADT: 2,340
FAIRGROUNDS/6290
FairOver: REBEL FLAT CREEK
0.10 MI S ENDICOTT, Whitman, WA
Built 1917 Load: 24.9 t ADT: 430
BONGARTS/0080
FairOver: PINE CREEK
0.01 MI W ENGEL, Whitman, WA
Built 1963 Load: 24.9 t ADT: 61
BAUER/9440
FairOver: UNION FLAT CREEK
0.14 MI N SR 195, Whitman, WA
Built 1971 Load: 24.9 t ADT: 30
DEPOT STREET
FairOver: UNION FLAT CREEK
0.30 E STEPTOE ST, Whitman, WA
Built 1977 Load: 24.9 t ADT: 50
MID SALMON/BOULDER
FairOver: N. FK BOULDER CR
NO DATA ENTERED, Okanogan, WA
Built 1960 Load: 25.1 t ADT: 35
SR 26
FairOver: EAST LOW CANAL
6.5 E JCT SR 17, Adams, WA
Built 1959 Load: 25.3 t ADT: 2,222
HATTON RD
FairOver: EAST LOW CANAL
00.30 MI E FOX ROAD, Adams, WA
Built 1953 Load: 25.3 t ADT: 100
LIND-HATTON RD
FairOver: PROVIDENCE COULEE
00.58 MI SE HATTON, Adams, WA
Built 1939 Load: 25.3 t ADT: 106
AUBURN STREET
FairOver: CID CANAL
.24 S JCT 1ST AVE, Benton, WA
Built 1969 Load: 25.3 t ADT: 3,000
Showing 2,801-2,850 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 |