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
Q RD NW
FairOver: IRRIGATION LATERAL
Q NW .6 N of 12 NW, Grant, WA
Built 1952 Load: 21.8 t ADT: 315
12 ROAD SW
FairOver: ROYAL BRANCH CANAL BLK 8
12 SW .2 East of K, Grant, WA
Built 1956 Load: 21.8 t ADT: 72
B RD SE
FairOver: IRRIGATION CANAL
B SE 0.7 N of 12 SE, Grant, WA
Built 1953 Load: 21.8 t ADT: 325
US 12
FairOver: BLACK RIVER
16.3 E JCT SR 8, Grays Harbor, WA
Built 1932 Load: 21.8 t ADT: 7,443
SR 107
FairOver: CHEHALIS RIVER
6.8 N JCT US 101, Grays Harbor, WA
Built 1958 Load: 21.8 t ADT: 3,945
NO DATA ENTERED
FairOver: WYNOOCHEE RIVER
NO DATA ENTERED, Grays Harbor, WA
Built 1950 Load: 21.8 t ADT: 50
US 101
FairOver: HOH RIVER
25.1 N GRAYS HBR CO, Jefferson, WA
Built 1931 Load: 21.8 t ADT: 1,456
SR 169
FairOver: GREEN R
5.3 N JCT SR 164, King, WA
Built 1932 Load: 21.8 t ADT: 11,098
SR 160
FairOver: PUGET SOUND @ FAUNTLEROY
3.0 W SR 509, King, WA
Built 1957 Load: 21.8 t ADT: 9,721
ROAD
FairOver: N FK SNOQUALMIE RIVER
NO DATA ENTERED, King, WA
Built 1964 Load: 21.8 t ADT: 9
229TH DRIVE SE
FairOver: ISSAQUAH CREEK
0.5 MI S OF SE MAY VLY RD, King, WA
Built 1983 Load: 21.8 t ADT: 90
SE 76TH ST
FairOver: KIMBALL CREEK
0.5 MI W OF SR-202, King, WA
Built 1960 Load: 21.8 t ADT: 11
HOUSER WAY
FairOver: CEDAR RIVER
0.1 MI E OF I-405, King, WA
Built 1960 Load: 21.8 t ADT: 17,000
SR 304
FairOver: SINCLAIR INLET
0.4 E JCT SR 303, Kitsap, WA
Built 1961 Load: 21.8 t ADT: 560
ROAD
FairOver: STANDUP CREEK
NO DATA ENTERED, Kittitas, WA
Built 1956 Load: 21.8 t ADT: 75
UNIVERSITY WAY
FairOver: CURRIER CREEK
.40 W DRY CR CONN, Kittitas, WA
Built 1966 Load: 21.8 t ADT: 7,845
SENN ROAD
FairOver: LUCAS CREEK
6.0 NE FOREST, Lewis, WA
Built 1966 Load: 21.8 t ADT: 45
ANDERSON ROAD
FairOver: RAINEY CREEK
1.0 S.GLENOMA, Lewis, WA
Built 1965 Load: 21.8 t ADT: 83
INDEPENDENCE ROAD
FairOver: INDEPENDENCE CREEK
0.34 N JCT 91009, Lewis, WA
Built 1956 Load: 21.8 t ADT: 273
ROCK ST
FairOver: CHINA CREEK
.1 N JCT. FAS1027, Lewis, WA
Built 1941 Load: 21.8 t ADT: 272
TWIN OAKS ROAD
FairOver: Overflow Channel
1.37 From 92008, Lewis, WA
Built 1950 Load: 21.8 t ADT: 867
NO DATA ENTERED
FairOver: CANYON RIVER
NO DATA ENTERED, Mason, WA
Built 1951 Load: 21.8 t ADT: 50
SR 153
FairOver: METHOW RIVER
4.3 N JCT US 97, Okanogan, WA
Built 1950 Load: 21.8 t ADT: 1,621
US 97
FairOver: OKANOGAN R & RR
18.3 N JCT SR 215, Okanogan, WA
Built 1957 Load: 21.8 t ADT: 4,552
COUNTY ROAD 1090
FairOver: TWISP RIVER
10.9 W.SR20 @ TWISP, Okanogan, WA
Built 1959 Load: 21.8 t ADT: 52
NORTH VALLEY ROAD
FairOver: NASELLE RIVER
3.0 E JCT 4 & 401, Pacific, WA
Built 1963 Load: 21.8 t ADT: 152
25 AV E
FairOver: CLOVER CREEK
2.1 SE JCT SR7, Pierce, WA
Built 1963 Load: 21.8 t ADT: 7,300
352 ST E
FairOver: TANWAX CREEK
.5 W JCT SR161, Pierce, WA
Built 1954 Load: 21.8 t ADT: 800
SOUTH M STREET
FairOver: NPRR @S 30TH ST
0.1 N JCT I-5, Pierce, WA
Built 1960 Load: 21.8 t ADT: 10,903
US 2
FairOver: PROCTOR CREEK
16.2 E JCT SR 203, Snohomish, WA
Built 1933 Load: 21.8 t ADT: 6,711
SR 203
FairOver: OVERFLOW SL
2.9 N KING CO, Snohomish, WA
Built 1954 Load: 21.8 t ADT: 11,836
I-5
FairOver: 212TH ST SW
2.2 N JCT SR 104, Snohomish, WA
Built 1963 Load: 21.8 t ADT: 96,309
ROAD
FairOver: RAPID RIVER
1.4 MI NE OF 65/6530 JCT, Snohomish, WA
Built 1967 Load: 21.8 t ADT: 8
ROAD
FairOver: RAPID RIVER
7.0 MI N OF HWY 2/65 JCT, Snohomish, WA
Built 1954 Load: 21.8 t ADT: 44
SAUK PRAIRIE RD
FairOver: DAN CREEK
2.9 NE JCT SR 530, Snohomish, WA
Built 1971 Load: 21.8 t ADT: 574
84 TH AVE W
FairOver: CHASE LAKE
0.6 SW JCT SR 99, Snohomish, WA
Built 1968 Load: 21.8 t ADT: 4,386
233RD PL S.E.
FairOver: BEAR CREEK
0.1 W JCT SR 9, Snohomish, WA
Built 1973 Load: 21.8 t ADT: 4,650
HEVLY RD
FairOver: STILLAGUAMISH SLOUGH
0.8 NE SR530, Snohomish, WA
Built 2005 Load: 21.8 t ADT: 71
VALLEY CHAPEL ROAD
FairOver: CALIFORNIA CREEK
0.05 S ELDER RD, Spokane, WA
Built 1923 Load: 21.8 t ADT: 411
SPANGLE-WAVERLY RD
FairOver: LATAH CREEK
0.8 W PRARIE VW RD, Spokane, WA
Built 1948 Load: 21.8 t ADT: 563
SR 409
FairOver: COLUMBIA R PUGET ISLAND
2.8 N FERRY DOCK, Wahkiakum, WA
Built 1938 Load: 21.8 t ADT: 1,925
US 12
FairOver: TOUCHET R
11.7 E JCT US 730 SPUR, Walla Walla, WA
Built 1900 Load: 21.8 t ADT: 7,642
WILBUR AVE
FairOver: MILL CREEK
00.33 S ISAACS AVE, Walla Walla, WA
Built 1955 Load: 21.8 t ADT: 10,053
SR 542
FairOver: FOSSIL CREEK
15.8 E JCT SR 547, Whatcom, WA
Built 1934 Load: 21.8 t ADT: 1,251
SR 542
FairOver: KENDALL CREEK
7.4 E JCT SR 9, Whatcom, WA
Built 1964 Load: 21.8 t ADT: 5,182
ROAD
FairOver: BAR CREEK
NO DATA ENTERED, Whatcom, WA
Built 1960 Load: 21.8 t ADT: 42
RD. 31. MP 7.1
FairOver: KIDNEY CREEK
7.1 MILES FROM SH 542, Whatcom, WA
Built 1953 Load: 21.8 t ADT: 73
COAL CREEK RD
FairOver: GALLOP CREEK
00.2 SO OF HWY 542, Whatcom, WA
Built 1952 Load: 21.8 t ADT: 18
PUTNAM RD
FairOver: SMITH CR
00.1 N MT BAKER HWY, Whatcom, WA
Built 1958 Load: 21.8 t ADT: 56
MOSQUITO LK RD
FairOver: HUTCHINSON CR
4.5 NE VALLEY HWY., Whatcom, WA
Built 1945 Load: 21.8 t ADT: 389
Showing 2,351-2,400 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 |