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
MCGREEVY/5370
FairOver: MISSOURI FLAT CREEK
0.05 MI N WHELAN, Whitman, WA
Built 1978 Load: 28.5 t ADT: 50
DAVIS/4015
FairOver: WASSUM CREEK
1.14 MI SW SR 23, Whitman, WA
Built 1964 Load: 28.5 t ADT: 33
GARFLD-FRMGTN/1300
FairOver: SILVER CREEK
5.29 MI S FARMINGTON, Whitman, WA
Built 1974 Load: 28.5 t ADT: 238
ALBION-PARVIN/5260
FairOver: FOUR MILE CREEK
1.63 MI SE PARVIN, Whitman, WA
Built 1975 Load: 28.5 t ADT: 55
SR 97
FairOver: WAPATO CANAL
12.8 N JCT SR 22, Yakima, WA
Built 1948 Load: 28.5 t ADT: 8,324
WIDE HOLLOW ROAD
FairOver: WIDE HOLLOW CREEK
00.47 E SO 96TH AVE, Yakima, WA
Built 1961 Load: 28.5 t ADT: 5,000
NO DATA ENTERED
FairOver: W FK SATSOP RIVER
NO DATA ENTERED, Grays Harbor, WA
Built 1951 Load: 28.7 t ADT: 10
WAHL RD
FairOver: BAUER COULEE
00.04MI S SCHRAG RD, Adams, WA
Built 1940 Load: 28.8 t ADT: 37
GRAHAM ROAD
FairOver: KID CANAL
00.10 N SR 12, Benton, WA
Built 1981 Load: 28.8 t ADT: 285
NORTH TOUCHET ROAD
FairOver: NORTH TOUCHET RIVER
10.5 SE JCT SR 12, Columbia, WA
Built 1965 Load: 28.8 t ADT: 350
WYNOOCHE VALLEY RD
FairOver: CARTER CREEK
14.2 N JCT SR12, Grays Harbor, WA
Built 1963 Load: 28.8 t ADT: 219
MOX CHEHALIS ROAD
FairOver: MOX CHEHALIS CREEK
4.7 NE JCT SR 12, Grays Harbor, WA
Built 1966 Load: 28.8 t ADT: 685
S-S RAMP
FairOver: 1ST AVE S
4.0 N JCT SR 518, King, WA
Built 1968 Load: 28.8 t ADT: 8,511
8TH STREET NE
FairOver: GREEN RIVER
0.4 MI E OF HARVEY RD, King, WA
Built 1973 Load: 28.8 t ADT: 21,100
56TH AVE SO
FairOver: DUWAMISH RIVER
0.1E INTERURBAN AVE, King, WA
Built 1985 Load: 28.8 t ADT: 2,900
NE 12TH ST
FairOver: BNRR
NE 12TH& 118TH NE, King, WA
Built 1970 Load: 28.8 t ADT: 15,309
HUNTZINGER ROAD
FairOver: WANAPUM RESERVOIR
04.34 S I-90, Kittitas, WA
Built 1962 Load: 28.8 t ADT: 676
WEST DARLAND ROAD
FairOver: TWIN BUTTES DRAINAGE
1.2 W JCT SOUTH COLUMBUS, Klickitat, WA
Built 1962 Load: 28.8 t ADT: 405
LOWE ROAD
FairOver: COAL CREEK
0.14 S SR 28, Lincoln, WA
Built 1917 Load: 28.8 t ADT: 87
CAPE HORN ROAD
FairOver: GRANDY CREEK
2.25 W JCT SR 20, Skagit, WA
Built 1967 Load: 28.8 t ADT: 391
HART RD
FairOver: TOUCHET RIVER
08.39N LW WAITSBURG, Walla Walla, WA
Built 1965 Load: 28.8 t ADT: 190
US 195
FairOver: S FK PALOUSE RIVER
0.5 N JCT SR 272, Whitman, WA
Built 1934 Load: 28.8 t ADT: 9,699
DELONG/4340
FairOver: UNNAMED DRAINAGE
1.27 MI SE MULKEY, Whitman, WA
Built 1978 Load: 28.8 t ADT: 50
BRANCH RD.
FairOver: CANAL - MAIN
00.13 E BATALI ROAD, Yakima, WA
Built 1962 Load: 28.8 t ADT: 1,000
SR 129
FairOver: GRANDE RONDE RIVER
4.4 N OREGON, Asotin, WA
Built 1941 Load: 29.0 t ADT: 222
COUNTY RT 12
FairOver: SVID CANAL
00.39 NW S MISSIMER, Benton, WA
Built 1930 Load: 29.0 t ADT: 3,360
SR 112
FairOver: PYSHT RIVER
3.3 E JCT SR 113, Clallam, WA
Built 1944 Load: 29.0 t ADT: 814
HOKO-OZETTE ROAD
FairOver: COAL CREEK
21 MI. SW OF JCT. STATE R, Clallam, WA
Built 1970 Load: 29.0 t ADT: 75
WEST SIDE HWY
FairOver: OLEQUA CREEK & BNRR
7.24 N SR 411 (MP 12.01), Cowlitz, WA
Built 1978 Load: 29.0 t ADT: 1,100
ALPOWA CREEK RD
FairOver: STEMBER CREEK
0.1 S JCT SR 12, Garfield, WA
Built 1972 Load: 29.0 t ADT: 150
2 RD NW
FairOver: IRRIGATION LATERAL
2 NW .2 W of P-NW, Grant, WA
Built 1952 Load: 29.0 t ADT: 346
S RD NW
FairOver: IRRIGATION LATERAL
S NW 0.01 S of 9, Grant, WA
Built 1953 Load: 29.0 t ADT: 663
SR 105
FairOver: INDIAN CREEK
12.6 N JCT SR 105 SP, Grays Harbor, WA
Built 1945 Load: 29.0 t ADT: 6,067
SR 109 SPUR
FairOver: LITTLE HOQUIAM RIVER
0.4 N JCT SR 109, Grays Harbor, WA
Built 1985 Load: 29.0 t ADT: 488
BURROWS ROAD
FairOver: CAMPBELL SLOUGH
0.9 SW JCT SR 109, Grays Harbor, WA
Built 1977 Load: 29.0 t ADT: 130
US 2
FairOver: STREAM
5.6 E SNOHOMISH CO, King, WA
Built 1937 Load: 29.0 t ADT: 5,562
US 2
FairOver: STREAM
6.0 E SNOHOMISH CO, King, WA
Built 1937 Load: 29.0 t ADT: 5,562
SR 203
FairOver: DRAINAGE CHANNEL
7.7 N JCT SR 202, King, WA
Built 1954 Load: 29.0 t ADT: 9,561
I-5
FairOver: S 259TH PL
5.6 N JCT SR 18, King, WA
Built 1960 Load: 29.0 t ADT: 100,551
SR 167
FairOver: NP RY
1.4 N JCT SR 516, King, WA
Built 1967 Load: 29.0 t ADT: 59,986
SR 167
FairOver: NP RY
1.4 N JCT SR 516, King, WA
Built 1967 Load: 29.0 t ADT: 59,986
S JACKSON ST
FairOver: Parking garage
S Jackson St EO 4th Ave S, King, WA
Built 1910 Load: 29.0 t ADT: 15,000
5TH AVE S
FairOver: ST TUNNEL
5th Ave S SO S Jackson St, King, WA
Built 1910 Load: 29.0 t ADT: 8,000
15TH AVE W
FairOver: SHIP CANAL, RR
4300 15th Ave W, King, WA
Built 1940 Load: 29.0 t ADT: 52,000
SR 821
FairOver: LMUMA CREEK
7.9 N YAKIMA CO, Kittitas, WA
Built 1924 Load: 29.0 t ADT: 1,339
SR 508
FairOver: MILL CREEK
18.3 E JCT I-5, Lewis, WA
Built 1937 Load: 29.0 t ADT: 1,171
I-5
FairOver: RUSH RD
1.7 N JCT SR 508, Lewis, WA
Built 1953 Load: 29.0 t ADT: 25,678
I-5
FairOver: RUSH RD
1.7 N JCT SR 508, Lewis, WA
Built 1953 Load: 29.0 t ADT: 25,678
BUNKER CREEK RD
FairOver: BUNKER CR.
6.5 W CHEHALIS, Lewis, WA
Built 1983 Load: 29.0 t ADT: 676
BOISTFORT RD.
FairOver: S.FORK CHEHALIS RIVER
8.0 SW CHEHALIS, Lewis, WA
Built 1982 Load: 29.0 t ADT: 847
Showing 3,251-3,300 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 |