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 18
FairOver: KENT-BLACK DIAMOND RD SE
6.2 E JCT SR 164, King, WA
Built 1959 Load: 33.6 t ADT: 25,223
I-5 REV EXP LANES
FairOver: RAVENNA BLVD
5.8 N JCT I-90, King, WA
Built 1961 Load: 33.6 t ADT: 34,322
I-5
FairOver: S 288TH ST
3.8 N JCT SR 18, King, WA
Built 1961 Load: 33.6 t ADT: 94,670
I-5 SBCD
FairOver: KING JACKSON ST
0.3 N JCT I-90, King, WA
Built 1965 Load: 33.6 t ADT: 66,222
SR 520
FairOver: 116TH AVE NE
0.1 E JCT I-405, King, WA
Built 1966 Load: 33.6 t ADT: 43,146
I-405
FairOver: BN RR (ABANDONED)
1.3 N JCT I-90, King, WA
Built 1972 Load: 33.6 t ADT: 95,581
I-90
FairOver: E FK ISSAQUAH CR
2.7 E JCT SR 900, King, WA
Built 1976 Load: 33.6 t ADT: 33,574
SR 203
FairOver: TOLT RIVER
5.3 N JCT SR 202, King, WA
Built 1977 Load: 33.6 t ADT: 10,640
KELLY RD NE
FairOver: CHERRY CREEK
5.2 MI E OF SR-203, King, WA
Built 1947 Load: 33.6 t ADT: 1,561
W GARFIELD ST RAMP
FairOver: 16TH AVE W
W Garfield St & 23rd Ave, King, WA
Built 1992 Load: 33.6 t ADT: 3,800
NO DATA ENTERED
FairOver: WALUPT CREEK
16.5 MILES SE OF HWY 12 (, Lewis, WA
Built 1965 Load: 33.6 t ADT: 69
ELK CREEK RD.
FairOver: DEER CREEK
0.6 W DOTY, Lewis, WA
Built 1952 Load: 33.6 t ADT: 202
PE ELL MCDONALD RD
FairOver: HALFWAY CREEK
6.4 E PE ELL, Lewis, WA
Built 1958 Load: 33.6 t ADT: 229
CENTRALIA ALPHA RD
FairOver: SALZER CR.
1. SE.CENTRALIA, Lewis, WA
Built 1983 Load: 33.6 t ADT: 1,732
NICHOLSON ROAD
FairOver: LACAMAS CREEK
0.45 N JCT. 56000, Lewis, WA
Built 1972 Load: 33.6 t ADT: 98
BEAM RD.
FairOver: JONES CR.
0.41 E JCT SR.6, Lewis, WA
Built 1972 Load: 33.6 t ADT: 23
TOOLEY ROAD
FairOver: SALMON CREEK
2.0 SE TOLEDO, Lewis, WA
Built 1977 Load: 33.6 t ADT: 103
PEAR ST
FairOver: CHINA CREEK
.3 N JCT. SR 507, Lewis, WA
Built 1942 Load: 33.6 t ADT: 1,270
US 101
FairOver: PALIX RIVER
13.6 N JCT SR 4, Pacific, WA
Built 1991 Load: 33.6 t ADT: 3,048
MENLO SO.FORK ROAD
FairOver: RUE CREEK
5.01 S JCT SR 101, Pacific, WA
Built 1991 Load: 33.6 t ADT: 156
JOHNS RD E
FairOver: WILKESON CREEK
00.66 E JCT SR165, Pierce, WA
Built 1946 Load: 33.6 t ADT: 550
SUNRISE ROAD
FairOver: DEADWOOD CREEK
0.6 miles southwest of jc, Pierce, WA
Built 1929 Load: 33.6 t ADT: 1,786
NO DATA ENTERED
FairOver: POWER CANAL
33 MILES EAST OF JCT INTE, Skamania, WA
Built 1957 Load: 33.6 t ADT: 650
NO DATA ENTERED
FairOver: CURLY CREEK
4.3 MILES SOUTHEAST OF JU, Skamania, WA
Built 1965 Load: 33.6 t ADT: 240
NO DATA ENTERED
FairOver: LEWIS RIVER
GO EAST FROM COUGAR, WA,, Skamania, WA
Built 1972 Load: 33.6 t ADT: 99
NO DATA ENTERED
FairOver: UPPER YELLOWJACKET CREEK
TAKE HWY 12 TO CISPUS RIV, Skamania, WA
Built 1954 Load: 33.6 t ADT: 30
NO DATA ENTERED
FairOver: TROUT CREEK
8 1/2 MILES NW OF HWY 141, Skamania, WA
Built 1966 Load: 33.6 t ADT: 30
US 2
FairOver: EBEY SLOUGH DRAINAGE
2.3 E JCT I-5, Snohomish, WA
Built 1993 Load: 33.6 t ADT: 15,144
JORDAN RD
FairOver: S.F. STILLAGUAMISH RIVER
1.1 N JCT SR 92, Snohomish, WA
Built 1966 Load: 33.6 t ADT: 4,263
REECES HIDEOUT RD
FairOver: S.F. SAUK RIVER
0.1 W JCT MT LP HY, Snohomish, WA
Built 1977 Load: 33.6 t ADT: 31
MOUNTAIN LOOP HWY.
FairOver: DEER CREEK
23.3 E JCT SR 92, Snohomish, WA
Built 1949 Load: 33.6 t ADT: 1,621
MARINE DRIVE
FairOver: JORGENSON SLOUGH
0.8 S SR 532, Snohomish, WA
Built 1967 Load: 33.6 t ADT: 6,375
211TH AVE SE
FairOver: WEST FORK WOODS CREEK
10.5 SE JCT SR 92, Snohomish, WA
Built 1985 Load: 33.6 t ADT: 42
365 TH DR NE
FairOver: TRIB.N.F.STILLAGUAMISH
2.8 NW JCT SR 530, Snohomish, WA
Built 1992 Load: 33.6 t ADT: 167
I-5
FairOver: NISQUALLY RIVER
2.9 N JCT SR 510, Thurston, WA
Built 1937 Load: 33.6 t ADT: 61,580
JOHNSON CREEK ROAD
FairOver: JOHNSON CREEK
1.8 m N Skookumchuck Rd, Thurston, WA
Built 1977 Load: 33.6 t ADT: 324
SR 125
FairOver: YELLOWHAWK CREEK
1.5 N OREGON, Walla Walla, WA
Built 1988 Load: 33.6 t ADT: 16,295
SR 20
FairOver: HALF BR STA 155
5.9 E SKAGIT CO, Whatcom, WA
Built 1900 Load: 33.6 t ADT: 1,732
SR 27
FairOver: PALOUSE RIVER
14.8 N JCT SR 270, Whitman, WA
Built 1938 Load: 33.6 t ADT: 3,092
SR 27
FairOver: LITTLE HANGMAN CREEK
11.6 N JCT SR 271, Whitman, WA
Built 1968 Load: 33.6 t ADT: 1,440
SR 194
FairOver: UNION FLAT CREEK
14.0 E OF ALMOTA, Whitman, WA
Built 1969 Load: 33.6 t ADT: 412
I-82
FairOver: WINE COUNTRY RD, RR, PED
3.8 E JCT SR 241, Yakima, WA
Built 1979 Load: 33.6 t ADT: 13,793
I-82
FairOver: MELLIS ROAD
4.7 E JCT US 97, Yakima, WA
Built 1980 Load: 33.6 t ADT: 14,023
I-82
FairOver: MELLIS ROAD
4.7 E JCT US 97, Yakima, WA
Built 1981 Load: 33.6 t ADT: 14,023
LITTLE NACHES ROAD
FairOver: LITTLE NACHES RIVER
ABOVE SALMON FALLS, Yakima, WA
Built 1972 Load: 33.6 t ADT: 100
SR 17
FairOver: E FOSTER CREEK
9.3 N JCT SR 174, Douglas, WA
Built 1950 Load: 33.7 t ADT: 1,189
GLENWOOD HWY
FairOver: KLICKITAT RIVER
11.2 N JCT SR142, Klickitat, WA
Built 1991 Load: 33.7 t ADT: 201
SR 3
FairOver: JOHNS CREEK
6.6 N JCT US 101, Mason, WA
Built 1948 Load: 33.7 t ADT: 15,367
JEFFERSON-W RAMP
FairOver: PARKING LOT
1.0 E JCT US 195, Spokane, WA
Built 1967 Load: 33.7 t ADT: 5,146
TRUAX ROAD
FairOver: SOUTH FORK ROCK CREEK
0.1 W DAVIS ROAD, Spokane, WA
Built 1963 Load: 33.7 t ADT: 435
Showing 3,751-3,800 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 |