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 7
FairOver: NISQUALLY RIVER
16.3 N JCT SR 508, Lewis, WA
Built 1953 Load: 29.9 t ADT: 2,818
MINERAL CREEK ROAD
FairOver: ROUNDTOP CREEK
0.5 E MINERAL, Lewis, WA
Built 1967 Load: 29.9 t ADT: 364
LECH ROAD
FairOver: JONES CREEK
1.0 NE PE ELL, Lewis, WA
Built 1953 Load: 29.9 t ADT: 14
BIG HANAFORD RD.
FairOver: SOUTH HANAFORD CR.
5. E CENTRALIA, Lewis, WA
Built 1974 Load: 29.9 t ADT: 561
Mary M Knight Rd
FairOver: DRY CREEK
0.15 W of MatlockBradyRD, Mason, WA
Built 1970 Load: 29.9 t ADT: 148
US 97
FairOver: OKANOGAN RIVER
3.6 N JCT SR 173, Okanogan, WA
Built 1950 Load: 29.9 t ADT: 4,687
SR 7
FairOver: MASHEL RIVER
1.0 N JCT SR 161, Pierce, WA
Built 1948 Load: 29.9 t ADT: 1,737
SR 16
FairOver: CEDAR ST
0.8 N JCT I-5, Pierce, WA
Built 1972 Load: 29.9 t ADT: 68,072
SR 530
FairOver: SKAGIT RIVER
14.5 N SNOHOMISH CO, Skagit, WA
Built 1961 Load: 29.9 t ADT: 1,439
LEY RD
FairOver: WALLACE RIVER
1.3 NE JCT SR 2, Snohomish, WA
Built 1970 Load: 29.9 t ADT: 1,061
NORTH MACHIAS RD
FairOver: LITTLE PILCHUCK CREEK
1.5 S JCT SR 92, Snohomish, WA
Built 1977 Load: 29.9 t ADT: 5,774
I-90 W-N RAMP
FairOver: HOWARD ST
1.5 E JCT US 195, Spokane, WA
Built 1967 Load: 29.9 t ADT: 8,776
VALLEY CHAPEL ROAD
FairOver: LATAH CREEK
0.5 S ELDER ROAD, Spokane, WA
Built 1957 Load: 29.9 t ADT: 411
I-5
FairOver: NISQUALLY RIVER
2.9 N JCT SR 510, Thurston, WA
Built 1967 Load: 29.9 t ADT: 61,580
ALTONA-PILAR RK RD
FairOver: GRAYS RIVER
0.2 S JCT SR 4, Wahkiakum, WA
Built 1947 Load: 29.9 t ADT: 450
STEAMBOAT SL ROAD
FairOver: BROOKS SLOUGH
0.1 S JCT SR 4, Wahkiakum, WA
Built 1959 Load: 29.9 t ADT: 187
FLYNN RD
FairOver: FISHTRAP CR
00.4 SW B.B. LYNDEN, Whatcom, WA
Built 1988 Load: 29.9 t ADT: 125
NO DATA ENTERED
FairOver: S FK SKOKOMISH RIVER
NO DATA ENTERED, Mason, WA
Built 1963 Load: 30.0 t ADT: 50
NO DATA ENTERED
FairOver: SULLIVAN CREEK
NO DATA ENTERED, Pend Oreille, WA
Built 1964 Load: 30.0 t ADT: 4
NO DATA ENTERED
FairOver: LITTLE CREEK
11 1/2 MILES EAST OF JCT, Skamania, WA
Built 1956 Load: 30.0 t ADT: 80
ROAD
FairOver: SWIFT CREEK
NO DATA ENTERED, Whatcom, WA
Built 1981 Load: 30.0 t ADT: 203
ALKI ROAD
FairOver: BURNT BRIDGE CREEK
00.26 W NE HAZELDEL, Clark, WA
Built 1985 Load: 30.1 t ADT: 65
NE 172ND AVENUE
FairOver: EAST FORK LEWIS RIVER
JCT LUCIA FALLS RD, Clark, WA
Built 1999 Load: 30.1 t ADT: 3,494
HODGSON PRICE ROAD
FairOver: BOULDER CREEK
00.01 S BOULDER RD, Ferry, WA
Built 1973 Load: 30.1 t ADT: 20
FLAMING GEYSER RD
FairOver: BEAVER CREEK
FLAMING GEYSER STATE PARK, King, WA
Built 2017 Load: 30.1 t ADT: 200
HUNGRY JCT RD
FairOver: CURRIER CREEK
.02 east of Reecer Cr. Rd, Kittitas, WA
Built 2002 Load: 30.1 t ADT: 182
CENTERVILLE HWY.
FairOver: SWALE CREEK
0.4 W JCT SR 97, Klickitat, WA
Built 1995 Load: 30.1 t ADT: 244
INGALLS RD.
FairOver: LINCOLN CR.
2.10 N JCT 24034, Lewis, WA
Built 1953 Load: 30.1 t ADT: 248
MOHLER ROAD 34560
FairOver: COAL CREEK
3.25 W JCT FASG221, Lincoln, WA
Built 1936 Load: 30.1 t ADT: 175
KNAPP ROAD
FairOver: COAL CREEK
3.40 W SR 28, Lincoln, WA
Built 1978 Load: 30.1 t ADT: 63
HAYES ROAD
FairOver: CRAB CREEK
0.39 E FAS L221, Lincoln, WA
Built 1933 Load: 30.1 t ADT: 17
FRIDAY CREEK ROAD
FairOver: FRIDAY CREEK
2.24 N JCT OLD 99 N, Skagit, WA
Built 1977 Load: 30.1 t ADT: 234
SR 14
FairOver: CAPE HORN SLIDE
3.3 E CLARK CO, Skamania, WA
Built 1930 Load: 30.1 t ADT: 4,835
Lyons Hill Road
FairOver: CHAMOKANE CREEK
0.5 S SPRINGDALE-HUNTERS, Stevens, WA
Built 1974 Load: 30.1 t ADT: 70
UNIONTWN EAST/9410
FairOver: UNION FLAT CREEK
0.30 MI NE SR 195, Whitman, WA
Built 1962 Load: 30.1 t ADT: 571
HAY-LACROSSE/7000
FairOver: ALKALI FLAT CREEK
9.63 MI S SR 26, Whitman, WA
Built 1970 Load: 30.1 t ADT: 107
FORT RD.
FairOver: USIS CANAL
0.50 W HARRAH RD., Yakima, WA
Built 2001 Load: 30.1 t ADT: 3,020
DUGOUT MTN RD
FairOver: LOST CREEK
NO DATA ENTERED, Okanogan, WA
Built 1981 Load: 30.2 t ADT: 25
LIND-RALSTON RD
FairOver: INTERMITTENT STREAM
1.35 MI E PAHA RD, Adams, WA
Built 1993 Load: 30.5 t ADT: 64
CEDAR CREEK RD
FairOver: CEDAR CREEK
JCT PUP & CEDAR CK, Clark, WA
Built 1930 Load: 30.5 t ADT: 1,173
EAST BRAMHALL ROAD
FairOver: WHETSTONE CREEK
0.01 N JCT, Columbia, WA
Built 1967 Load: 30.5 t ADT: 50
I-5 EXPRESS LANES
FairOver: JAMES & CHERRY STREETS
0.8 N JCT I-90, King, WA
Built 1964 Load: 30.5 t ADT: 18,166
I-90
FairOver: BROWN ROAD
3.8 E JCT SR 23, Lincoln, WA
Built 1967 Load: 30.5 t ADT: 10,436
ROCKY FORD ROAD
FairOver: CRAB CREEK
4.49 S FAS H220, Lincoln, WA
Built 1973 Load: 30.5 t ADT: 62
W. FRONT ST.
FairOver: JOHNSON CR
3.8 N JCT SR 546, Whatcom, WA
Built 1962 Load: 30.5 t ADT: 575
UNION FLAT/9020
FairOver: UNION FLAT CREEK
4.63 MI SE WAWAWAI-PULLMN, Whitman, WA
Built 1963 Load: 30.5 t ADT: 34
WESLEY RD.
FairOver: DRY WASH
00.34 SO EVANS ROAD, Yakima, WA
Built 1960 Load: 30.5 t ADT: 176
ROCKY FORD RD.
FairOver: DRAIN
00.34 W MEYERS ROAD, Yakima, WA
Built 1967 Load: 30.5 t ADT: 200
SR 26
FairOver: NP RY
15.1 E JCT SR 17, Adams, WA
Built 1959 Load: 30.8 t ADT: 1,964
I-182
FairOver: COLUMBIA R, CITY STREETS
0.9 E JCT SR 240, Benton, WA
Built 1984 Load: 30.8 t ADT: 35,631
Showing 3,401-3,450 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 |