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
NE BLAIR RD
FairOver: LITTLE WASHOUGAL
0.0 JCT NE ZEEK RD, Clark, WA
Built 1961 Load: 23.3 t ADT: 4,247
HOWELL GRADE RD
FairOver: DAVIS CANYON
1.42 MI NW SR 12, Garfield, WA
Built 1979 Load: 23.3 t ADT: 95
SR 109
FairOver: CHENOIS CREEK
8.7 N JCT US 101, Grays Harbor, WA
Built 1956 Load: 23.3 t ADT: 6,736
QUINAULT S SHORE
FairOver: ZIEGLER CREEK
03.9 NE JCT US 101, Grays Harbor, WA
Built 1971 Load: 23.3 t ADT: 477
O'NEILL ROAD
FairOver: NEWMAN CREEK
00.5 N JCT 9710, Grays Harbor, WA
Built 1962 Load: 23.3 t ADT: 179
US 101
FairOver: FULTON CREEK
28.4 S JCT SR 104, Jefferson, WA
Built 1926 Load: 23.3 t ADT: 2,393
I-5
FairOver: TERRAIN
2.4 N JCT I-90, King, WA
Built 1963 Load: 23.3 t ADT: 90,012
ROAD
FairOver: HOPE CREEK
NO DATA ENTERED, King, WA
Built 1980 Load: 23.3 t ADT: 2
VEAZIE-CUMBERLAND
FairOver: COAL CREEK
0.6 MI E OF SR-169, King, WA
Built 1950 Load: 23.3 t ADT: 3,189
W NORTH BEND WAY
FairOver: GARDINERS CREEK
0.9 MI W OF SR-202, King, WA
Built 1941 Load: 23.3 t ADT: 6,500
SR 903
FairOver: ROSLYN CR
2.1 N JCT SR 903 SPUR, Kittitas, WA
Built 1938 Load: 23.3 t ADT: 5,737
WINLOCK VADER RD.
FairOver: OLEQUA CREEK
0.26 S JCT SR 603, Lewis, WA
Built 1928 Load: 23.3 t ADT: 1,662
WAUKON ROAD
FairOver: ROCK CREEK
00.43 E SR NO 231, Lincoln, WA
Built 1930 Load: 23.3 t ADT: 220
COUNTY ROAD 92310
FairOver: DUCK CREEK
.12 MI. E SR 21, Lincoln, WA
Built 1935 Load: 23.3 t ADT: 186
Fish War Mem X-ing
FairOver: RAMP
0.2 N JCT I-5, Pierce, WA
Built 1925 Load: 23.3 t ADT: 15,000
US 2
FairOver: EBEY SLOUGH
1.1 E JCT I-5, Snohomish, WA
Built 1967 Load: 23.3 t ADT: 1,109
RD. NO. 26
FairOver: BUCK CREEK
M.P. 15.4 RD. NO. 26, Snohomish, WA
Built 1960 Load: 23.3 t ADT: 79
SR 542
FairOver: SLIDE AREA
20.4 E JCT SR 547, Whatcom, WA
Built 1938 Load: 23.3 t ADT: 1,251
PORTAL WY
FairOver: DAKOTA CR
00.3 NW HALL RD., Whatcom, WA
Built 1928 Load: 23.3 t ADT: 1,149
HARWOOD HILL/3200
FairOver: COTTONWOOD CREEK
0.02 MI NW HARWD HILL CUT, Whitman, WA
Built 1970 Load: 23.3 t ADT: 20
HAYWARD/5620
FairOver: SOUTH FORK PALOUSE RIVER
0.01 MI SW RIVER, Whitman, WA
Built 1973 Load: 23.3 t ADT: 50
LABYRINTH MTN. RD.
FairOver: RAINY CREEK
NO DATA ENTERED, Chelan, WA
Built 1956 Load: 23.6 t ADT: 50
NO DATA ENTERED
FairOver: NORTH FORK CALAWAH
NO DATA ENTERED, Clallam, WA
Built 1953 Load: 23.6 t ADT: 35
SOL DUC VALLEY ROA
FairOver: NORTH FORK SOL DUC RIVER
5.5 MI. SE OF JCT. HWY. 1, Clallam, WA
Built 1959 Load: 23.6 t ADT: 496
TATMAN MTN RD
FairOver: PATAHA CREEK
.1 S JCT SR 12, Garfield, WA
Built 1968 Load: 23.6 t ADT: 250
H ROAD NW
FairOver: WEST CANAL
H NW 0.4 North of SR 28, Grant, WA
Built 1949 Load: 23.6 t ADT: 271
I SW
FairOver: WEST CANAL
I SW .02 S of Frenchmen, Grant, WA
Built 1951 Load: 23.6 t ADT: 59
S RD NW
FairOver: IRRIGATION LATERAL
S NW 0.4 North of SR 28, Grant, WA
Built 1952 Load: 23.6 t ADT: 786
1 RD NW
FairOver: IRRIGATION LATERAL
1 NW .5 W of U, Grant, WA
Built 1956 Load: 23.6 t ADT: 231
M RD NW
FairOver: IRRIGATION LATERAL
M NW .6 N of 12, Grant, WA
Built 1952 Load: 23.6 t ADT: 247
US 101
FairOver: BOULDER CR
36.5 N JCT SR 109, Grays Harbor, WA
Built 1936 Load: 23.6 t ADT: 1,984
KATON ROAD
FairOver: PEELS SLOUGH
0.6 S JCT 5294, Grays Harbor, WA
Built 1976 Load: 23.6 t ADT: 215
PANHANDLE ROAD
FairOver: EAST FORK HOQUIAM RIVER
0.2 W JCT E HOQ RD, Grays Harbor, WA
Built 1930 Load: 23.6 t ADT: 95
SR 20
FairOver: SNOW CREEK
0.1 E JCT US 101, Jefferson, WA
Built 1940 Load: 23.6 t ADT: 4,953
SR 202
FairOver: SNOQUALMIE RIVER
4.2 E JCT SR 203, King, WA
Built 1931 Load: 23.6 t ADT: 9,502
FERRY TRAFFIC
FairOver: PUGET SOUND @ TAHLEQUAH
SO. END VASHON IS, King, WA
Built 1954 Load: 23.6 t ADT: 1,106
FERRY TRAFFIC
FairOver: ELLIOTT BAY
W END MARION ST, King, WA
Built 1964 Load: 23.6 t ADT: 412
I-5
FairOver: KING-JACKSON ST
0.3 N JCT I-90, King, WA
Built 1965 Load: 23.6 t ADT: 69,913
FERRY TRAFFIC
FairOver: PUGET SOUND @ SEATTLE
W END MARION ST, King, WA
Built 1971 Load: 23.6 t ADT: 3,800
ROAD
FairOver: EAST FORK FOSS RIVER
0.5 MI S OF 68/6835 JCT, King, WA
Built 1959 Load: 23.6 t ADT: 60
45TH AVE NE
FairOver: MCALEER CREEK
0.2 MI SE OF SR-522, King, WA
Built 1949 Load: 23.6 t ADT: 600
SR 305
FairOver: AGATE PASSAGE
6.8 N BAINBRIDGE F/T, Kitsap, WA
Built 1950 Load: 23.6 t ADT: 21,643
SR 160
FairOver: PUGET SOUND @ SOUTHWORTH
11.2 E JCT SR 16, Kitsap, WA
Built 1957 Load: 23.6 t ADT: 3,681
SR 104
FairOver: APPLE TREE COVE
9.1 E JCT SR 3, Kitsap, WA
Built 1986 Load: 23.6 t ADT: 10,000
ROAD
FairOver: MEADOW CREEK
NO DATA ENTERED, Kittitas, WA
Built 1956 Load: 23.6 t ADT: 50
Columbus Avenue
FairOver: Little Klickitat River
0.2 N JCT SR142, Klickitat, WA
Built 2001 Load: 23.6 t ADT: 870
MEADE HILL ROAD
FairOver: RAINEY CREEK
1.0 E GLENOMA, Lewis, WA
Built 1958 Load: 23.6 t ADT: 245
KIRKLAND ROAD
FairOver: NEWAUKUM RIVER
2.0 SE CHEHALIS, Lewis, WA
Built 1973 Load: 23.6 t ADT: 674
COLLINS ROAD
FairOver: DRAINAGE DITCH
1.0 E TOLEDO, Lewis, WA
Built 1962 Load: 23.6 t ADT: 259
KING ST
FairOver: CHINA CREEK
.4 N JCT. SR 507, Lewis, WA
Built 1940 Load: 23.6 t ADT: 223
Showing 2,551-2,600 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 |