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
MIDDLE ROAD
FairOver: PINE CREEK
1.1 S Jct CR34000, Klickitat, WA
Built 1959 Load: 13.6 t ADT: 94
JACKSON HWY
FairOver: LAUSSIER CR.
4.36 S JCT US 12, Lewis, WA
Built 1926 Load: 13.6 t ADT: 932
NE EXHIBITOR RD.
FairOver: SALZER CREEK
0.1 W OF NE KRESKY, Lewis, WA
Built 1971 Load: 13.6 t ADT: 1,951
N NATIONAL AVE
FairOver: SALZER CREEK
0.1 N OF NE HAMPE, Lewis, WA
Built 1936 Load: 13.6 t ADT: 8,038
RIVERSIDE DR
FairOver: DILLENBAUGH CREEK
RIVERSIDE DRIVE, Lewis, WA
Built 1952 Load: 13.6 t ADT: 3,910
PARADISE CONNECTOR
FairOver: PARADISE RIVER
16 MILES NORTHEAST OF NIS, Lewis, WA
Built 1926 Load: 13.6 t ADT: 1,500
COAL COULEE 22250
FairOver: COAL CREEK
5.13 S SR 23, Lincoln, WA
Built 1917 Load: 13.6 t ADT: 35
RINGWOOD ROAD
FairOver: NO NAME CREEK
2.29 N SR 23, Lincoln, WA
Built 1935 Load: 13.6 t ADT: 51
HARDING ROAD
FairOver: ROCK CREEK
1.79 SW SR 23, Lincoln, WA
Built 1935 Load: 13.6 t ADT: 17
PARK ENTRANCE
FairOver: TWANOH CREEK
TWANOH STATE PARK, Mason, WA
Built 2000 Load: 13.6 t ADT: 125
SR 6
FairOver: HALF MOON CREEK
14.6 E JCT US 101, Pacific, WA
Built 1917 Load: 13.6 t ADT: 1,561
LAGERGREN-SUNSHINE
FairOver: SOUTH NEMAH RIVER
5.7 NW JCT 4 & 101, Pacific, WA
Built 1959 Load: 13.6 t ADT: 50
CAMP ONE ROAD
FairOver: NORTH FORK WILLAPA RIVER
3.1 E JCT 6 & 101, Pacific, WA
Built 1984 Load: 13.6 t ADT: 375
SR 7
FairOver: CLOVER CREEK
3.7 N JCT SR 507, Pierce, WA
Built 1929 Load: 13.6 t ADT: 31,249
MOUNTAIN VIEW BLVD
FairOver: SPANAWAY LAKE
.28 S JCT MLTRY R, Pierce, WA
Built 1952 Load: 13.6 t ADT: 290
ALDER CUTOFF RD E
FairOver: TACOMA EASTERN RAILROAD
2.5 E JCT SR 161, Pierce, WA
Built 1946 Load: 13.6 t ADT: 2,900
NISQUALLY ENTRANCE
FairOver: NISQUALLY RIVER
11.7 MILES NORTHEAST OF N, Pierce, WA
Built 1958 Load: 13.6 t ADT: 2,000
SR 11
FairOver: HALF BRIDGE
13.1 N JCT I-5, Skagit, WA
Built 1920 Load: 13.6 t ADT: 2,412
LK CAVANAUGH ROAD
FairOver: PILCHUCK CREEK
8.7 E JCT SR 9, Skagit, WA
Built 1970 Load: 13.6 t ADT: 578
I-90 RAMP
FairOver: E 2ND AVE
0.8 E JCT US 2, Spokane, WA
Built 1974 Load: 13.6 t ADT: 8,531
JACKSON ROAD
FairOver: ROCK CREEK
4.0 S FREEMAN, Spokane, WA
Built 1960 Load: 13.6 t ADT: 64
COULEE-HITE ROAD
FairOver: COULEE CREEK
0.4 S LINCOLN ROAD, Spokane, WA
Built 1923 Load: 13.6 t ADT: 266
NISHINOMIYA DR
FairOver: LOOP DRIVE
01.25 S OF I-90, Spokane, WA
Built 1935 Load: 13.6 t ADT: 110
US 395
FairOver: GN RY
2.2 N JCT SR 25, Stevens, WA
Built 1941 Load: 13.6 t ADT: 5,371
SMITH SPRINGS RD
FairOver: COLVILLE GULCH
03.38 N SR 124, Walla Walla, WA
Built 1922 Load: 13.6 t ADT: 100
OTIS ST
FairOver: MILL CREEK
OTIS AND MILL CR, Walla Walla, WA
Built 1923 Load: 13.6 t ADT: 2,296
MERRIAM ST
FairOver: MILL CREEK
MERRIAM AND MILL CR, Walla Walla, WA
Built 1924 Load: 13.6 t ADT: 2,300
HILLSIDE RD
FairOver: SIGITOWITZ CREEK
01.0 S.W. POTTER RD, Whatcom, WA
Built 1950 Load: 13.6 t ADT: 250
ENDICOTT/4000
FairOver: PALOUSE RIVER
8.07 MI E ADAMS CNTY LINE, Whitman, WA
Built 1967 Load: 13.6 t ADT: 554
BIG ALKALI/7005
FairOver: ALKALI FLAT CREEK
0.77 MI E LITTLE GOOSE DM, Whitman, WA
Built 1962 Load: 13.6 t ADT: 136
DONALD-WAPATO RD.
FairOver: DRAIN
01.98 S YAK VAL HWY, Yakima, WA
Built 1960 Load: 13.6 t ADT: 5,040
LINGER LONGER ROAD
FairOver: BIG QUILCENE RIVER
0.45E JCT SR101, Jefferson, WA
Built 1969 Load: 13.9 t ADT: 572
I-5
FairOver: NBCD VIADUCT STA 2195
0.8 N JCT I-90, King, WA
Built 1964 Load: 13.9 t ADT: 30,675
SE 424TH ST
FairOver: NEWAUKUM CREEK
0.5 MI W OF SR-169, King, WA
Built 1950 Load: 13.9 t ADT: 1,500
I-90
FairOver: COLUMBIA RIVER VANTAGE
26.4 E JCT I-82, Kittitas, WA
Built 1962 Load: 13.9 t ADT: 17,430
SR 3
FairOver: MILL CREEK
0.9 N JCT US 101, Mason, WA
Built 1921 Load: 13.9 t ADT: 14,994
WANDERMERE ROAD
FairOver: LITTLE SPOKANE RIVER
3.2 N JCT US 2, Spokane, WA
Built 1953 Load: 13.9 t ADT: 5,394
GILLIES RD
FairOver: SUMAS RIVER
00.1 S OF ALM RD., Whatcom, WA
Built 1947 Load: 13.9 t ADT: 263
AUVIL/1240
FairOver: PINE CREEK
1.95 MI S WARNER, Whitman, WA
Built 1976 Load: 13.9 t ADT: 40
NO DATA ENTERED
FairOver: CAMP CREEK
NO DATA ENTERED, Clallam, WA
Built 1984 Load: 14.3 t ADT: 50
US 2
FairOver: PINE CANYON & CREEK
1.4 E JCT US 97, Douglas, WA
Built 1949 Load: 14.3 t ADT: 1,823
WAREHOUSE ROAD
FairOver: EAST LATERAL 85
0.25 N SETTLER 218, Franklin, WA
Built 1958 Load: 14.3 t ADT: 124
SE 416TH ST
FairOver: NEWAUKUM CREEK
1.1 MI N OF SR-164, King, WA
Built 1950 Load: 14.3 t ADT: 1,592
NE Old Cascade Hwy
FairOver: TYE RIVER
0.1 MI S OF SR-2, King, WA
Built 1960 Load: 14.3 t ADT: 40
I-90
FairOver: CANYON RD & BNSF RR
3.3 E JCT US 97, Kittitas, WA
Built 1968 Load: 14.3 t ADT: 15,014
UNIVERSITY WAY
FairOver: B.N. RAILROAD
00.09 S REECER CR RD, Kittitas, WA
Built 1966 Load: 14.3 t ADT: 8,962
MAIN STREET
FairOver: COAL CREEK
21.9 N JCT SR 231, Lincoln, WA
Built 1948 Load: 14.3 t ADT: 785
COUNTY ROAD 2361
FairOver: SALMON CREEK
0.1 MI N JCT.4015, Okanogan, WA
Built 1976 Load: 14.3 t ADT: 235
EAST 34TH STREET
FairOver: B STREET TO D STREET-SR7
0.25 S JCT I5, Pierce, WA
Built 1947 Load: 14.3 t ADT: 4,617
CEDARDALE RD
FairOver: CARPENTER CREEK
0.75 S JCT SR 534, Skagit, WA
Built 1934 Load: 14.3 t ADT: 613
Showing 1,501-1,550 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 |