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
MOUNTAIN LOOP HWY
FairOver: TURLO CREEK
10.6 MI E JCT SR 92, Snohomish, WA
Built 1995 Load: 34.5 t ADT: 3,212
RUTTER PARKWAY
FairOver: LITTLE SPOKANE RIVER
0.5 N INDIAN TRAIL, Spokane, WA
Built 1960 Load: 34.5 t ADT: 2,317
US 101
FairOver: SCHNEIDER CREEK
2.7 S MASON CO, Thurston, WA
Built 1958 Load: 34.5 t ADT: 13,023
LEITNER ST.
FairOver: SCATTER CREEK
0.33 m S of 176th Ave SW, Thurston, WA
Built 1978 Load: 34.5 t ADT: 282
I-82
FairOver: YAKIMA RIVER
0.4 E JCT SR 823, Yakima, WA
Built 1960 Load: 34.5 t ADT: 12,714
I-82
FairOver: NACHES RIVER
0.5 E JCT SR 823, Yakima, WA
Built 1960 Load: 34.5 t ADT: 23,751
LITTLE NACHES ROAD
FairOver: MID. FORK LITTLE NACHES
NEAR END OF ASPHALT, Yakima, WA
Built 1969 Load: 34.5 t ADT: 60
SE BLAIR ROAD
FairOver: LITTLE WASHOUGAL RIVER
0.39 NW JCT SR140, Clark, WA
Built 1930 Load: 34.7 t ADT: 1,830
IRR BIA RTE 1123
FairOver: SITDOWN CREEK
26 KM NW OF SUB-AGENCY, Ferry, WA
Built 1993 Load: 34.7 t ADT: 50
WEST VALLEY HWY
FairOver: GREEN RIVER
0.3 MI S OF JCT SR-516, King, WA
Built 1968 Load: 34.7 t ADT: 19,000
SW SPOKANE ST
FairOver: W WATERWAY OF DUWAMISH
1200 SW Spokane St, King, WA
Built 1991 Load: 34.7 t ADT: 11,000
NO DATA ENTERED
FairOver: WINSTON CREEK
ABOUT 16 MILES SOUTHWEST, Lewis, WA
Built 1992 Load: 34.7 t ADT: 18
Shaw Road E
FairOver: Inter Ave and BNSF R.R.
Shaw Road E., Pierce, WA
Built 2009 Load: 34.7 t ADT: 17,754
HATCH ROAD
FairOver: LATAH CREEK
0.03 E ST HWY 195, Spokane, WA
Built 1919 Load: 34.7 t ADT: 10,531
COOPER POINT ROAD
FairOver: PERCIVAL CREEK AND BNRR
0.1 N EVERGREEN DR, Thurston, WA
Built 1986 Load: 34.7 t ADT: 24,550
GOSE ST
FairOver: MILL CREEK
00.1 S OF NEWTOWN RD, Walla Walla, WA
Built 1969 Load: 34.7 t ADT: 2,867
SOUTH TOUCHET ROAD
FairOver: SOUTH TOUCHET RIVER
7.558 S JCT 9115, Columbia, WA
Built 1989 Load: 35.0 t ADT: 25
CHARD RD
FairOver: PATAHA CREEK
0.1 N JCT SR 12, Garfield, WA
Built 1965 Load: 35.0 t ADT: 10
LANDSBURG ROAD
FairOver: CEDAR RIVER
1.5 MI N KENT KANGL RD, King, WA
Built 1982 Load: 35.0 t ADT: 5,335
S 212th ST
FairOver: GREEN RIVER
0.72 MI W OF 68TH AV S, King, WA
Built 1966 Load: 35.0 t ADT: 36,000
US 101
FairOver: KENNEDY CREEK
2.7 S JCT SR 108, Mason, WA
Built 1960 Load: 35.0 t ADT: 12,897
US 101
FairOver: KENNEDY CREEK
2.7 S JCT SR 108, Mason, WA
Built 1960 Load: 35.0 t ADT: 12,897
NO DATA ENTERED
FairOver: COPPER CREEK
0.4 MILE NORTH OF HWY 706, Pierce, WA
Built 1965 Load: 35.0 t ADT: 99
I-5
FairOver: WHATCOM CREEK
2.9 N JCT SR 11, Whatcom, WA
Built 1957 Load: 35.0 t ADT: 30,905
DONEEN/1230
FairOver: PINE CREEK
0.03 MI SE WARNER, Whitman, WA
Built 1973 Load: 35.0 t ADT: 15
IRR BIA RTE 1123
FairOver: HALL CREEK
18 KM NW OF SUB-AGENCY, Ferry, WA
Built 1992 Load: 35.1 t ADT: 50
LITTLE NACHES ROAD
FairOver: QUARTZ CREEK
3.1 MI. NW HWY 410, Kittitas, WA
Built 1972 Load: 35.2 t ADT: 100
DOLE VALLEY ROAD
FairOver: ROCK CREEK
3.79 S JCT CO RD12, Clark, WA
Built 1975 Load: 35.3 t ADT: 130
WOLF FORK ROAD
FairOver: WOLF FORK
3.4 S JCT 91150, Columbia, WA
Built 1995 Load: 35.3 t ADT: 50
WOLF FORK ROAD
FairOver: WOLF FORK
5 S JCT 91150, Columbia, WA
Built 1995 Load: 35.3 t ADT: 50
US 101
FairOver: N FK RAFT RIVER
52.2 N JCT SR 109, Grays Harbor, WA
Built 1958 Load: 35.3 t ADT: 1,138
HIGHLAND DRIVE
FairOver: NORTH FORK ISSAQUAH CR
0.4 MI N OF NE HIGH ST, King, WA
Built 2002 Load: 35.3 t ADT: 22,600
TOM MILLER ROAD
FairOver: LITTLE KLICKITAT RIVER
1.2 SE JCT SR 142, Klickitat, WA
Built 1992 Load: 35.3 t ADT: 1,026
CISPUS RD.
FairOver: SILER CR.
0.03 NW RD 70301, Lewis, WA
Built 1952 Load: 35.3 t ADT: 254
5TH ST
FairOver: BOEING RR ACCESS
0.6 E JCT SR 525, Snohomish, WA
Built 1969 Load: 35.3 t ADT: 5,000
SR 278
FairOver: ROCK CREEK
0.4 E JCT SR 27, Spokane, WA
Built 1920 Load: 35.3 t ADT: 3,933
SR 21
FairOver: INTERMITTENT STREAM
2.9 N FRANKLIN CO, Adams, WA
Built 1981 Load: 35.4 t ADT: 161
ROSENOFF RD
FairOver: INTERMITTENT STREAM
03.02 MI E GRANT CO, Adams, WA
Built 1920 Load: 35.4 t ADT: 407
SR 24
FairOver: COLUMBIA RIVER
4.9 E JCT SR 240, Benton, WA
Built 1965 Load: 35.4 t ADT: 5,305
SR 397
FairOver: COLUMBIA RIVER
18.0 N JCT I-82, Benton, WA
Built 1978 Load: 35.4 t ADT: 18,849
US 101
FairOver: BOGACHIEL RIVER
1.0 N JEFFERSON CO, Clallam, WA
Built 1985 Load: 35.4 t ADT: 1,744
I-205
FairOver: ST JOHNS RD
3.4 N JCT SR 500, Clark, WA
Built 1973 Load: 35.4 t ADT: 37,053
DELAMETER RD
FairOver: ARKANSAS CREEK
0.59 W SR 411 (MP 11.33), Cowlitz, WA
Built 1953 Load: 35.4 t ADT: 1,430
US 101
FairOver: HUMPTULIPS RIVER
21.5 N JCT SR 109, Grays Harbor, WA
Built 1950 Load: 35.4 t ADT: 2,251
US 101
FairOver: LITTLE QUILCENE RIVER
8.4 S JCT SR 104, Jefferson, WA
Built 1938 Load: 35.4 t ADT: 2,638
SR 104
FairOver: HOOD CANAL
13.7 E JCT US 101, Jefferson, WA
Built 2007 Load: 35.4 t ADT: 17,634
SR 410
FairOver: SCATTER CREEK
6.2 E JCT SR 164, King, WA
Built 1965 Load: 35.4 t ADT: 2,043
SR 599
FairOver: 42ND AVE S / MACADAM RD
0.7 N JCT I-5, King, WA
Built 1968 Load: 35.4 t ADT: 22,020
SR 518
FairOver: DES MOINES WAY S
0.6 E JCT SR 509, King, WA
Built 1970 Load: 35.4 t ADT: 57,625
I-90
FairOver: AVALANCHE PATH
20.5 E JCT SR 202, King, WA
Built 1971 Load: 35.4 t ADT: 18,185
Showing 3,851-3,900 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 |