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
HARRAH RD.
FairOver: CANAL
00.49 N BRANCH ROAD, Yakima, WA
Built 1950 Load: 19.1 t ADT: 1,531
Goodman Road
FairOver: Bachelor Creek
0.04 mi S. of Ahtanum Rd, Yakima, WA
Built 1959 Load: 19.1 t ADT: 5,000
LEE RD
FairOver: LATERAL EL68 328+26.61
1.0 MI W SR 17, Adams, WA
Built 1988 Load: 19.4 t ADT: 2,069
ENTIAT RIVER ROAD
FairOver: ENTIAT RIVER
02.76W JCT SR 97, Chelan, WA
Built 1941 Load: 19.4 t ADT: 1,583
WOODIN AVE
FairOver: CHELAN RIVER
34.8 N JCT US 2, Chelan, WA
Built 1927 Load: 19.4 t ADT: 3,024
SOUTH TOUCHET ROAD
FairOver: NORTH TOUCHET RIVER
0.1 S JCT 9115, Columbia, WA
Built 1997 Load: 19.4 t ADT: 515
SR 17
FairOver: W FOSTER CREEK
13.7 N JCT SR 174, Douglas, WA
Built 1950 Load: 19.4 t ADT: 1,189
SR 21
FairOver: DRY COULEE
3.6 N JCT SR 260, Franklin, WA
Built 1963 Load: 19.4 t ADT: 161
SR 109
FairOver: JOE CR
13.1 N JCT SR 115, Grays Harbor, WA
Built 1953 Load: 19.4 t ADT: 1,890
DOWANS CREEK RD
FairOver: DOWANS CREEK
0.5E JCT SR101, Jefferson, WA
Built 1974 Load: 19.4 t ADT: 90
BRONSON WAY N
FairOver: CEDAR R
0.2 MI E JCT SR 515, King, WA
Built 1940 Load: 19.4 t ADT: 22,000
US 2
FairOver: DECEPTION CR
16.0 E SNOHOMISH CO, King, WA
Built 1940 Load: 19.4 t ADT: 4,871
NE MARYMOOR WAY
FairOver: SAMMAMISH SLOUGH
0.5 MI S OF SR-520, King, WA
Built 1963 Load: 19.4 t ADT: 1,600
I-5
FairOver: NEWAUKUM RIVER
1.2 N JCT SR 508, Lewis, WA
Built 1952 Load: 19.4 t ADT: 28,783
I-5
FairOver: NEWAUKUM RIVER
1.2 N JCT SR 508, Lewis, WA
Built 1952 Load: 19.4 t ADT: 28,783
COUNTY ROAD 9155
FairOver: CHILIWIST CREEK
01.8 MI.S.MALOTT, Okanogan, WA
Built 1944 Load: 19.4 t ADT: 1,352
DAY ISL BRIDGE RD
FairOver: DAY ISLAND LAGOON
.6 W JCT GRDVW DR, Pierce, WA
Built 1957 Load: 19.4 t ADT: 1,229
I AVENUE
FairOver: GUEMES CHANNEL
0.41 N JCT SR 20, Skagit, WA
Built 1925 Load: 19.4 t ADT: 500
GUEMES ISLAND ROAD
FairOver: GUEMES CHANNEL
GUEMES ISLAND, Skagit, WA
Built 1981 Load: 19.4 t ADT: 500
SANDS ROAD
FairOver: CALIFORNIA CREEK
0.5 W VALLEYFORD, Spokane, WA
Built 1990 Load: 19.4 t ADT: 229
ALM LANE
FairOver: COLVILLE RIVER
.16 E of Heine Rd., Stevens, WA
Built 1971 Load: 19.4 t ADT: 350
I-5
FairOver: NISQUALLY OVERFLOW
2.7 N JCT SR 510, Thurston, WA
Built 1968 Load: 19.4 t ADT: 48,169
KLICKER MTN RD
FairOver: BLUE CREEK
00.1E BLUE CR RD, Walla Walla, WA
Built 1976 Load: 19.4 t ADT: 25
SHADY LN
FairOver: SILVER CREEK
00.14 N RURAL AVE, Whatcom, WA
Built 1953 Load: 19.4 t ADT: 70
PANGBORN RD
FairOver: FISH TRAP CR
0.1 W ASSINK RD., Whatcom, WA
Built 1954 Load: 19.4 t ADT: 700
DELTA LINE RD
FairOver: DAKOTA CR
00.2 S HAYNIE RD., Whatcom, WA
Built 1965 Load: 19.4 t ADT: 1,500
CHAMBERS/9620
FairOver: DRAINAGE CHANNEL
0.01 MI E SR 195, Whitman, WA
Built 1958 Load: 19.4 t ADT: 50
JIM DAVIS/3400
FairOver: THORN CREEK
0.02 MI S THORN CREEK, Whitman, WA
Built 1963 Load: 19.4 t ADT: 25
LATERAL B RD. IRR
FairOver: CANAL
00 51 S FORT ROAD, Yakima, WA
Built 1962 Load: 19.4 t ADT: 100
YAKIMA VALLEY HWY
FairOver: SULPHUR CREEK WASTEWAY
00.07 SE OF FACTORY, Yakima, WA
Built 1970 Load: 19.4 t ADT: 15,000
I-5
FairOver: C&C RY & N PACIFIC AVE
2.2 N JCT SR 4, Cowlitz, WA
Built 1976 Load: 19.8 t ADT: 30,149
I-5
FairOver: C&C RY & COUNTY RD
2.2 N JCT SR 4, Cowlitz, WA
Built 1976 Load: 19.8 t ADT: 30,149
BRIDGE CR ROAD
FairOver: SAN POIL RIVER
00.2 E JCT SR 21, Ferry, WA
Built 1960 Load: 19.8 t ADT: 290
COUNTY HIGHWAY
FairOver: POTHOLES EAST CANAL
3.69S JCT R 608, Franklin, WA
Built 1954 Load: 19.8 t ADT: 2,148
STRATFORD ROAD
FairOver: CRAB CREEK
Stratford .2 N of 10 NE, Grant, WA
Built 1952 Load: 19.8 t ADT: 1,464
US 12
FairOver: SYLVIA CR NP RY
9.7 E JCT US 101, Grays Harbor, WA
Built 1968 Load: 19.8 t ADT: 10,767
EB I-90
FairOver: LAKE WASHINGTON
2.3 E JCT I-5, King, WA
Built 1940 Load: 19.8 t ADT: 63,053
I-90
FairOver: MERCER SLOUGH
6.8 E JCT I-5, King, WA
Built 1970 Load: 19.8 t ADT: 3,203
AVONDALE PL NE
FairOver: BEAR CREEK
4.75 MI E OF SR-405, King, WA
Built 1950 Load: 19.8 t ADT: 135
US 12
FairOver: CORN CREEK
2.4 E JCT SR 122, Lewis, WA
Built 1967 Load: 19.8 t ADT: 4,729
LANEY ROAD 21040
FairOver: COAL CREEK
2.84 E FAS 994, Lincoln, WA
Built 1970 Load: 19.8 t ADT: 53
KINNER ROAD
FairOver: NO NAME CREEK
7.04NGRNTCOFAST139, Lincoln, WA
Built 1935 Load: 19.8 t ADT: 135
North Shore Rd
FairOver: RENDSLAND CREEK
4.48 W of Belfair Tahuya, Mason, WA
Built 1950 Load: 19.8 t ADT: 526
FAIRFAX FOREST RD
FairOver: TOLMIE CREEK
6.1 SE JCT SR 165, Pierce, WA
Built 1939 Load: 19.8 t ADT: 300
ELLSWORTH WDS RD
FairOver: MUCK CREEK
GRID COORD ET302056, Pierce, WA
Built 1950 Load: 19.8 t ADT: 10
SR 20
FairOver: CANOE PASS
0.2 E ISLAND CO, Skagit, WA
Built 1935 Load: 19.8 t ADT: 18,339
FIR ISLAND ROAD
FairOver: SO FK SKAGIT RIVER
1.0 W JCT INTERSTATE 5, Skagit, WA
Built 1972 Load: 19.8 t ADT: 4,719
MORROW ROAD
FairOver: PINE CREEK
0.3 S BAAB ROAD, Spokane, WA
Built 1997 Load: 19.8 t ADT: 23
SR 542
FairOver: GALENA CREEK
30.8 E JCT SR 547, Whatcom, WA
Built 1946 Load: 19.8 t ADT: 608
I-5
FairOver: PORTAL WAY
7.3 N JCT SR 539, Whatcom, WA
Built 1963 Load: 19.8 t ADT: 17,069
Showing 2,051-2,100 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 |