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
GALVIN RD.
FairOver: CHEHALIS RIVER
1.5 W CENTRALIA, Lewis, WA
Built 1969 Load: 28.1 t ADT: 1,941
HARRISON AVE.
FairOver: DRY CREEK
1.0 N CENTRALIA, Lewis, WA
Built 1926 Load: 28.1 t ADT: 9,304
CINEBAR ROAD
FairOver: MILL CR.
1.33 S SR. 508, Lewis, WA
Built 1975 Load: 28.1 t ADT: 482
SALMON CREEK RD
FairOver: WINSTON CR.
0.19 S JCT 60073, Lewis, WA
Built 1953 Load: 28.1 t ADT: 192
SR 28
FairOver: CRAB CR
1.3 E JCT SR 21, Lincoln, WA
Built 1964 Load: 28.1 t ADT: 792
EIGHTMILE ROAD
FairOver: EIGHTMILE CREEK
NO DATA ENTERED, Okanogan, WA
Built 1955 Load: 28.1 t ADT: 40
US 101
FairOver: TEAL SLOUGH
12.2 N JCT SR 103, Pacific, WA
Built 1934 Load: 28.1 t ADT: 1,852
SMITH CREEK ROAD
FairOver: SMITH CREEK
7.9 NE JCT 6 & 101, Pacific, WA
Built 1985 Load: 28.1 t ADT: 84
NO DATA ENTERED
FairOver: HARVEY CREEK
NO DATA ENTERED, Pend Oreille, WA
Built 1956 Load: 28.1 t ADT: 20
66 AV E
FairOver: PUYALLUP RIVER
0.1 N JCT SR 410, Pierce, WA
Built 1931 Load: 28.1 t ADT: 7,250
WASHINGTON ROUTE 1
FairOver: PANTHER CREEK
5.3 miles north of park b, Pierce, WA
Built 1957 Load: 28.1 t ADT: 1,505
EXTENSION OF SR 20
FairOver: UPRIGHT CHANNEL
N END LOPEZ ISLAND, San Juan, WA
Built 1981 Load: 28.1 t ADT: 1,349
FARM TO MARKET RD.
FairOver: N DRAINAGE DITCH
7.7 N JCT SR 20, Skagit, WA
Built 1951 Load: 28.1 t ADT: 1,231
SR 20
FairOver: GULCH
27.3 E JCT SR 9, Skagit, WA
Built 1953 Load: 28.1 t ADT: 2,925
SR 536
FairOver: SKAGIT RIVER
4.7 E JCT SR 20, Skagit, WA
Built 1953 Load: 28.1 t ADT: 18,714
NO DATA ENTERED
FairOver: LEWIS RIVER
EAST FROM COUGAR, WA, ON, Skamania, WA
Built 1964 Load: 28.1 t ADT: 37
SR 529
FairOver: STEAMBOAT SLOUGH
6.3 N JCT SR 529 SPUR, Snohomish, WA
Built 1954 Load: 28.1 t ADT: 16,203
SR 526
FairOver: E CASINO RD
3.7 E JCT SR 525, Snohomish, WA
Built 1969 Load: 28.1 t ADT: 72,703
HEVLY RD
FairOver: KOCH'S SLOUGH FLOODWAY
0.6 NE JCT SR 530, Snohomish, WA
Built 1981 Load: 28.1 t ADT: 77
120TH AVE. SE
FairOver: TRIB. PILCHUCK RIVER
0.5 S JCT Three Lk Rd/SR2, Snohomish, WA
Built 1964 Load: 28.1 t ADT: 15
SR 524
FairOver: SWAMP CREEK
1.5 E JCT I-5, Snohomish, WA
Built 1935 Load: 28.1 t ADT: 18,536
NICKS RD
FairOver: JIM CREEK
5.5 SE JCT SR 530, Snohomish, WA
Built 1987 Load: 28.1 t ADT: 29
MOUNTAIN LOOP HWY
FairOver: BLACK CREEK
14.3 E JCT SR 92, Snohomish, WA
Built 1952 Load: 28.1 t ADT: 1,932
WOODS CR RD
FairOver: WOODS CREEK
8.6 NE JCT SR 2, Snohomish, WA
Built 1963 Load: 28.1 t ADT: 1,593
I-5
FairOver: NOOKSACK RIVER
6.9 N JCT SR 539, Whatcom, WA
Built 1955 Load: 28.1 t ADT: 24,031
I-5
FairOver: NOOKSACK RIVER
6.9 N JCT SR 539, Whatcom, WA
Built 1971 Load: 28.1 t ADT: 24,031
ROAD
FairOver: ROCKY CR
NO DATA ENTERED, Whatcom, WA
Built 1959 Load: 28.1 t ADT: 30
DELTA LINE RD
FairOver: DAKOTA CR
00.2 N JESS RD., Whatcom, WA
Built 1950 Load: 28.1 t ADT: 808
I-5
FairOver: TERRAIN
5.2 N JCT SR 900, King, WA
Built 1966 Load: 28.2 t ADT: 94,901
NE 195TH STREET
FairOver: NORTH CREEK
0.1 E SR 405, King, WA
Built 1984 Load: 28.2 t ADT: 26,236
SW MT SI BLVD
FairOver: RIBARY CREEK
0.1 MI E OF SR-202, King, WA
Built 1989 Load: 28.2 t ADT: 1,900
WESTSIDE ROAD
FairOver: HILINE CANAL
00.37 E FOWLER CR R, Kittitas, WA
Built 1955 Load: 28.2 t ADT: 984
NO DATA ENTERED
FairOver: SKATE CREEK
4.2 MILES NW OF HWY 12 ON, Lewis, WA
Built 2010 Load: 28.2 t ADT: 50
FAS ROUTE Z240
FairOver: OKANOGAN RIVER
.SWNWS27T40NR27E, Okanogan, WA
Built 1971 Load: 28.2 t ADT: 1,527
SR 9
FairOver: SNOHOMISH R OVERFLOW
1.9 N JCT SR 96, Snohomish, WA
Built 1960 Load: 28.2 t ADT: 28,331
ELK-CHATTAROY ROAD
FairOver: LITTLE SPOKANE RIVER
0.1 N BRIDGES ROAD, Spokane, WA
Built 1962 Load: 28.2 t ADT: 944
ST JOHN/0050
FairOver: PINE CREEK
0.21 MI N LD JOHNSON, Whitman, WA
Built 1971 Load: 28.2 t ADT: 26
VIOLA/5190
FairOver: FOUR MILE CREEK
1.79 MI NE SR 27, Whitman, WA
Built 1976 Load: 28.2 t ADT: 102
YOUNG/6170
FairOver: UNION FLAT CREEK
0.26 MI S UNION FLAT CRK, Whitman, WA
Built 1966 Load: 28.2 t ADT: 62
BEAVER VALLEY ROAD
FairOver: WENATCHEE R
14.4 N JCT SR 2, Chelan, WA
Built 1966 Load: 28.5 t ADT: 2,018
ALLEN STREET
FairOver: COWLITZ R, BNRR, CITY ST
ALLEN ST OVER COWLITZ R, Cowlitz, WA
Built 2000 Load: 28.5 t ADT: 10,700
MEADOW CREEK RD
FairOver: MEADOW CREEK
2.2 E JCT SR 127, Garfield, WA
Built 1961 Load: 28.5 t ADT: 520
ALDER STREET
FairOver: PARKER HORN
MOSES LAKE CITY, Grant, WA
Built 1958 Load: 28.5 t ADT: 29,630
MOX CHEHALIS ROAD
FairOver: MOX CHEHALIS CREEK
3.4 NE JCT SR12, Grays Harbor, WA
Built 1965 Load: 28.5 t ADT: 573
SR 18 RAMP
FairOver: HOLDER CR
0.2 N JCT SR 18, King, WA
Built 1960 Load: 28.5 t ADT: 4,899
GARNER ROAD
FairOver: SWALE CREEK
0.6 S JCT CR 22000, Klickitat, WA
Built 1977 Load: 28.5 t ADT: 42
HAWK CREEK RD 5554
FairOver: HAWK CREEK
1.23 SE FAS T222, Lincoln, WA
Built 1978 Load: 28.5 t ADT: 125
2ND STREET
FairOver: SLOUGH
2.39 W JCT SR 101, Pacific, WA
Built 1981 Load: 28.5 t ADT: 457
SR 9
FairOver: HARTS SLOUGH
4.9 N JCT SR 538, Skagit, WA
Built 1959 Load: 28.5 t ADT: 10,545
ELMER HUNTLEY/3425
FairOver: COTTONWOOD CREEK
0.07 MI S SUNSET, Whitman, WA
Built 1971 Load: 28.5 t ADT: 21
Showing 3,201-3,250 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 |