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
McKay Alto Road
FairOver: WHETSTONE CREEK
0.14 N JCT 2010, Columbia, WA
Built 1970 Load: 20.7 t ADT: 350
I-5
FairOver: COWEEMAN RIVER
2.4 N JCT SR 432, Cowlitz, WA
Built 1979 Load: 20.7 t ADT: 28,653
I-5
FairOver: COWEEMAN RIVER
2.4 N JCT SR 432, Cowlitz, WA
Built 1980 Load: 20.7 t ADT: 28,653
MARY JANE HILL RD
FairOver: FOSTER CREEK
28.26N26E, Douglas, WA
Built 1990 Load: 20.7 t ADT: 96
X RD NE
FairOver: CON-NA-WAI CREEK
2.24 S. of 29 NE, Grant, WA
Built 1927 Load: 20.7 t ADT: 30
OLD BEACON RD
FairOver: CAMP CREEK
0.2 S JCT MONTE ELMA, Grays Harbor, WA
Built 1979 Load: 20.7 t ADT: 50
SR 19
FairOver: CHIMACUM CREEK
9.4 N JCT SR 104, Jefferson, WA
Built 1916 Load: 20.7 t ADT: 8,746
SR 202
FairOver: OVERFLOW CHANNEL
7.5 E JCT SR 203, King, WA
Built 1925 Load: 20.7 t ADT: 11,250
SR 99
FairOver: N 46TH ST
9.0 N JCT SR 509, King, WA
Built 1933 Load: 20.7 t ADT: 39,438
LOGAN AVE N
FairOver: CEDAR RIVER
0.4 MI E JCT SR-167, King, WA
Built 1973 Load: 20.7 t ADT: 37,000
CLOVERDALE ROAD
FairOver: CRAB CREEK
0.18 E SR 231, Lincoln, WA
Built 1972 Load: 20.7 t ADT: 72
FS ROUTE NO. 311
FairOver: S.F. GRANITE CR
SOUTH FORK GRANITE CREEK, Pend Oreille, WA
Built 1952 Load: 20.7 t ADT: 50
SR 165
FairOver: CARBON RIVER
11.5 N RAINIER PARK, Pierce, WA
Built 1921 Load: 20.7 t ADT: 267
LAKE VIEW BLVD
FairOver: NOOKACHAMPS CREEK
0.25 S JCT SR9, Skagit, WA
Built 1954 Load: 20.7 t ADT: 690
ADDY-GIFFORD ROAD
FairOver: COLVILLE RIVER
00.41 NW JCT SR 395, Stevens, WA
Built 1956 Load: 20.7 t ADT: 555
MAIN STREET
FairOver: NOOKSACK RIVER
AT FRONT ST, Whatcom, WA
Built 1950 Load: 20.7 t ADT: 21,350
REUBEN SCHLTZ/1370
FairOver: PINE CREEK
2.44 MI SE AUVIL-WAGNER, Whitman, WA
Built 1965 Load: 20.7 t ADT: 23
SUNSET/3360
FairOver: COTTONWOOD CREEK
1.98 MI NE PNE CTY-MALDEN, Whitman, WA
Built 1966 Load: 20.7 t ADT: 90
COWICHE MILL RD.
FairOver: COWICHE CREEK
02.38 W OF SUNSET W, Yakima, WA
Built 1963 Load: 20.7 t ADT: 184
SERVICE ROAD
FairOver: ICICLE CANAL
0.1 MI ESE OF OFFICE, Chelan, WA
Built 1939 Load: 20.9 t ADT: 10
STEHEKIN VALLEY RO
FairOver: RAINBOW CREEK
Approximately 3 miles fro, Chelan, WA
Built 1973 Load: 20.9 t ADT: 50
LYRE RIVER ROAD
FairOver: LYRE RIVER
4.1 MI NW OF JCT HWY 101, Clallam, WA
Built 1984 Load: 20.9 t ADT: 637
SOUTH TOUCHET RD
FairOver: SOUTH TOUCHET RIVER
2.7 S JCT 9115, Columbia, WA
Built 1984 Load: 20.9 t ADT: 225
SR 433
FairOver: COLUMBIA R @ LONGVIEW
OREGON LINE, Cowlitz, WA
Built 1929 Load: 20.9 t ADT: 20,865
K ROAD NW
FairOver: LAT. BLK 73
K NW 0.02 N of 11.5 NW, Grant, WA
Built 1952 Load: 20.9 t ADT: 153
P ROAD NW
FairOver: LAT W39.9E2 BLK 75
P NW 0.4 S of 5 NW, Grant, WA
Built 1952 Load: 20.9 t ADT: 274
MARTIN ROAD
FairOver: WASTEWAY
12 NW 1.1 E of P, Grant, WA
Built 1952 Load: 20.9 t ADT: 392
SR 105
FairOver: CHARLEY CR
15.6 N JCT SR 105 SP, Grays Harbor, WA
Built 1980 Load: 20.9 t ADT: 6,605
MT OLYMPUS AVE
FairOver: CANAL
0.1 N DISCOVERY, Grays Harbor, WA
Built 1969 Load: 20.9 t ADT: 412
MAIN STREET
FairOver: Puget Sound & Pacific RR
0.22 MI SW JCT E YOUNG ST, Grays Harbor, WA
Built 1940 Load: 20.9 t ADT: 4,878
SR 509
FairOver: THAMES CREEK/PED TRAIL
11.0 N JCT I-705, King, WA
Built 1929 Load: 20.9 t ADT: 3,778
ROAD # 55
FairOver: CARTER CREEK
2.5 MI SW I-90/55 JCT, King, WA
Built 1993 Load: 20.9 t ADT: 25
SR 305
FairOver: PUGET SOUND @ EAGLE HRBR
BAINBRIDGE ISLAND, Kitsap, WA
Built 1972 Load: 20.9 t ADT: 9,000
ROAD
FairOver: STAFFORD CREEK
NO DATA ENTERED, Kittitas, WA
Built 1958 Load: 20.9 t ADT: 30
THOMPSON ROAD
FairOver: LAKE CREEK
1.0 NE PACKWOOD, Lewis, WA
Built 1936 Load: 20.9 t ADT: 12
PETERS RD.
FairOver: KIONA CR.
1.13 S JCT SR 12, Lewis, WA
Built 1964 Load: 20.9 t ADT: 244
HADALLER ROAD
FairOver: WINSTON CREEK
5.0 W MOSSYROCK, Lewis, WA
Built 1961 Load: 20.9 t ADT: 438
FAS 1196
FairOver: CHEHALIS RIVER
.1 W JCT I-5, Lewis, WA
Built 1959 Load: 20.9 t ADT: 10,684
LOCUST ST
FairOver: CHINA CREEK
.3 N JCT. SR 507, Lewis, WA
Built 1941 Load: 20.9 t ADT: 1,362
WEST REYNOLDS AVE
FairOver: COFFEE CREEK
NE CENTRALIA, Lewis, WA
Built 1955 Load: 20.9 t ADT: 10,213
E. Maple St
FairOver: China Creek
East of SR507-Tower Ave, Lewis, WA
Built 1941 Load: 20.9 t ADT: 1,504
STEVENS CANYON ROA
FairOver: RAVINE
3.9 MILES SOUTHWEST OF JC, Lewis, WA
Built 1952 Load: 20.9 t ADT: 1,375
SR 23
FairOver: DRY RUN
2.2 N JCT SR 231, Lincoln, WA
Built 1920 Load: 20.9 t ADT: 367
Deckerville Road
FairOver: DECKER CREEK
2.84 W JCT Matlock, Mason, WA
Built 1949 Load: 20.9 t ADT: 149
Beeville Loop Rd
FairOver: DRY BED CREEK
0.58 W JCT Beeville Rd, Mason, WA
Built 1954 Load: 20.9 t ADT: 86
Steelhead Drive So
FairOver: MISSION CREEK
0.04 W Mission Cr Rd, Mason, WA
Built 1990 Load: 20.9 t ADT: 950
HARTS PASS ROAD
FairOver: ROBINSON CREEK
1.73 MI UP RD #5400, Okanogan, WA
Built 1955 Load: 20.9 t ADT: 112
US 101
FairOver: SOUTH NEMAH RIVER
3.6 N JCT SR 4, Pacific, WA
Built 1957 Load: 20.9 t ADT: 2,728
SR 161
FairOver: RR & CITY STREETS
0.6 N JCT SR 167, Pierce, WA
Built 1938 Load: 20.9 t ADT: 17,822
SR 507
FairOver: MUCK CREEK
7.8 N JCT SR 702, Pierce, WA
Built 1920 Load: 20.9 t ADT: 10,772
Showing 2,201-2,250 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 |