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
ALLWARDT FARM ROAD
FairOver: ROZA ID MAIN CANAL
DESMARAIS RD, YAKIMA, Yakima, WA
Built 1937 Load: 18.0 t ADT: 15
CUNNINGHAM RD
FairOver: INTERMITTENT STREAM
00.10 MI W SR395, Adams, WA
Built 1958 Load: 18.1 t ADT: 78
ANDERSON RD
FairOver: INTERMITTENT STREAM
00.44 N SR395, Adams, WA
Built 1961 Load: 18.1 t ADT: 1
US 395
FairOver: CANAL DRIVE
4.8 N JCT I-82, Benton, WA
Built 1956 Load: 18.1 t ADT: 24,266
SERVICE ROAD
FairOver: ICICLE CREEK
1.3 MI SSW OF THE OFFICE, Chelan, WA
Built 1939 Load: 18.1 t ADT: 2
MALAGA-ALCOA HWY
FairOver: STEMILT CR.
2.7 from S. WENATCHEE AV, Chelan, WA
Built 1951 Load: 18.1 t ADT: 5,578
US 101
FairOver: LAKE CRESCENT
25.7 N JCT SR 113, Clallam, WA
Built 1949 Load: 18.1 t ADT: 2,898
I-5
FairOver: COLUMBIA RIVER
OREGON LINE, Clark, WA
Built 1916 Load: 18.1 t ADT: 57,550
Fairway Drive
FairOver: J St and G St
0.2 miles south of J St, Clark, WA
Built 2008 Load: 18.1 t ADT: 250
OSTRANDER RD
FairOver: OSTRANDER CREEK
0.39 E PAC AVE N (MP 3.63, Cowlitz, WA
Built 1962 Load: 18.1 t ADT: 1,600
DELAMETER RD
FairOver: DELAMETER CREEK
0.91 W SR 411 (MP 11.33), Cowlitz, WA
Built 1957 Load: 18.1 t ADT: 1,203
MODROW RD
FairOver: KALAMA RIVER
0.01 S KAL RIV RD (1.23), Cowlitz, WA
Built 1958 Load: 18.1 t ADT: 795
DELAMETER RD
FairOver: DELAMETER CREEK
1.56 W SR411 (MP 11.33), Cowlitz, WA
Built 1954 Load: 18.1 t ADT: 1,176
AIRPORT RD (3 NW)
FairOver: DOUGLAS CREEK DRAINAGE
2.7 E RD O NW, Douglas, WA
Built 1949 Load: 18.1 t ADT: 220
OLD US 395 ALIGN
FairOver: BOULDER CREEK
15.4 N JCT SR 20, Ferry, WA
Built 1920 Load: 18.1 t ADT: 1
COUNTY ROAD
FairOver: W B 3 A
0.01 S. of EAGLE RD, Franklin, WA
Built 1958 Load: 18.1 t ADT: 2,810
LOWER DEADMAN 307
FairOver: S. DEADMAN CREEK
11.3 N JCT SR 12, Garfield, WA
Built 1957 Load: 18.1 t ADT: 230
Farm Access
FairOver: West Canal W26C Lateral
West Canal W26C Lateral S, Grant, WA
Built 1987 Load: 18.1 t ADT: 10
SR 108
FairOver: WILDCAT CREEK
0.5 E JCT SR 8, Grays Harbor, WA
Built 1936 Load: 18.1 t ADT: 4,851
SECOND ST (MOCLIPS
FairOver: MOCLIPS RIVER
00.1 W JCT SR 109, Grays Harbor, WA
Built 1965 Load: 18.1 t ADT: 636
SR 513
FairOver: MONTLAKE CUT
0.2 N JCT SR 520, King, WA
Built 1924 Load: 18.1 t ADT: 54,196
I-405
FairOver: BNRR & 115 AVE NE
0.2 N JCT SR 520, King, WA
Built 1954 Load: 18.1 t ADT: 65,986
I-90
FairOver: MERCER SLOUGH
6.4 E JCT I-5, King, WA
Built 1970 Load: 18.1 t ADT: 21,966
436TH AVE SE
FairOver: S FK SNOQUALMIE
0.8 MI S OF I-90, King, WA
Built 1971 Load: 18.1 t ADT: 7,491
SE 68TH ST
FairOver: RAGING RIVER
1.9 MI NE OF I-90, King, WA
Built 1915 Load: 18.1 t ADT: 15
W EMERSON ST
FairOver: 15TH AVE W
W Emerson St /15th Ave W, King, WA
Built 1959 Load: 18.1 t ADT: 17,000
MOHAR ROAD
FairOver: HILINE CANAL
00.58 W U PEOH PT R, Kittitas, WA
Built 1976 Load: 18.1 t ADT: 241
OLD HWY 10
FairOver: FLOOD CHANNEL
00.16 E FAUST ROAD, Kittitas, WA
Built 1936 Load: 18.1 t ADT: 2,216
GOLDENDALE HWY.
FairOver: OUTLET CREEK
20.2 NW JCT SR 142, Klickitat, WA
Built 1970 Load: 18.1 t ADT: 244
LEONARD ROAD
FairOver: LACAMAS CREEK
0.63 N JCT SR 12, Lewis, WA
Built 1962 Load: 18.1 t ADT: 1,725
MIDDLE FORK RD.
FairOver: S. FORK NEWAUKUM RIVER
0.4 E JCT 94000, Lewis, WA
Built 1956 Load: 18.1 t ADT: 1,424
STEVENS CANYON ROA
FairOver: MUDDY FORK
10.3 miles west of jct. U, Lewis, WA
Built 1952 Load: 18.1 t ADT: 1,375
CAMPGROUND ROAD
FairOver: OHANAPECOSH RIVER
0.5 MILES NORTHWEST OF JC, Lewis, WA
Built 1960 Load: 18.1 t ADT: 1,375
STEVENS CANYON ROA
FairOver: RAVINE
12.0 MILES WEST OF JCT. U, Lewis, WA
Built 1952 Load: 18.1 t ADT: 1,500
SCHIRR ROAD
FairOver: NO NAME CREEK
0.95 N SR 23, Lincoln, WA
Built 1900 Load: 18.1 t ADT: 65
North Shore Rd
FairOver: TAHUYA ESTUARY
0.14 S Belfair Tahuya rd, Mason, WA
Built 1961 Load: 18.1 t ADT: 513
Eich Road
FairOver: SKOOKUM CREEK
0.26 N JCT SR 108, Mason, WA
Built 1968 Load: 18.1 t ADT: 22
SR 153
FairOver: METHOW RIVER
22.3 N JCT US 97, Okanogan, WA
Built 1935 Load: 18.1 t ADT: 1,363
COUNTY ROAD 9221
FairOver: SALMON CREEK
12.1 MI NW OKANOGAN, Okanogan, WA
Built 1969 Load: 18.1 t ADT: 20
SO VALLEY ROAD
FairOver: SO FORK NASELLE RIVER
1.0 S JCT 4 & 401, Pacific, WA
Built 1965 Load: 18.1 t ADT: 506
Fertile Valley Rd
FairOver: W Br Lttle Spokane River
3 miles w/o Hwy 211, Pend Oreille, WA
Built 1960 Load: 18.1 t ADT: 200
SR 161
FairOver: OHOP CREEK
4.3 N JCT SR 7, Pierce, WA
Built 1900 Load: 18.1 t ADT: 7,429
STEWART AV E
FairOver: CLARKS CREEK
0.1 S JCT 66 AVE E, Pierce, WA
Built 1941 Load: 18.1 t ADT: 6,200
8 AV E
FairOver: SOUTH CREEK
4.8 S JCT SR 7, Pierce, WA
Built 1953 Load: 18.1 t ADT: 3,725
CASCADE RIVER RD
FairOver: SIBLEY CREEK
10 E JCT SR 20, Skagit, WA
Built 1997 Load: 18.1 t ADT: 188
WASHOUGAL RIVER RD
FairOver: WASHOUGAL RIVER
3.81 N OF SALMON FALLS RD, Skamania, WA
Built 1955 Load: 18.1 t ADT: 731
I-5
FairOver: 300TH ST NW/FREEBORN RD
2.4 N JCT SR 532, Snohomish, WA
Built 1957 Load: 18.1 t ADT: 31,489
ENGLISH GRADE RD
FairOver: TRIB.TOM MOORE SL./SKAGI
0.5 S SKAGIT CO., Snohomish, WA
Built 1987 Load: 18.1 t ADT: 163
JW MANN ROAD
FairOver: SKYKOMISH RIVER
0.1 S JCT SR 2, Snohomish, WA
Built 1961 Load: 18.1 t ADT: 1,793
WHITMAN RD
FairOver: N.F. STILLAGUAMISH RIVER
0.1 N JCT SR 530, Snohomish, WA
Built 1980 Load: 18.1 t ADT: 135
Showing 1,851-1,900 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 |