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
OIL CITY ROAD
FairOver: ANDERSON CREEK
4.4SW JCT SR101, Jefferson, WA
Built 1974 Load: 18.8 t ADT: 130
SR 99
FairOver: N 50TH ST
9.2 N JCT SR 509, King, WA
Built 1933 Load: 18.8 t ADT: 34,369
PRESTON FALL CITY
FairOver: RAGING RIVER
0.25 MI S OF SR-202, King, WA
Built 1998 Load: 18.8 t ADT: 9,092
SR 10
FairOver: HAND DRAIN DITCH
16.0 E JCT SR 970, Kittitas, WA
Built 1930 Load: 18.8 t ADT: 1,639
SANDRIDGE ROAD
FairOver: ALDER CREEK
8.0 NW JCT SR 14, Klickitat, WA
Built 1986 Load: 18.8 t ADT: 9
PAUL ROAD 63490
FairOver: CRAB CREEK
0.77 W SR 231, Lincoln, WA
Built 1936 Load: 18.8 t ADT: 30
SR 153
FairOver: METHOW RIVER
16.9 N JCT US 97, Okanogan, WA
Built 1939 Load: 18.8 t ADT: 1,363
LYMAN HAMILTON HWY
FairOver: CHILDS CREEK
0.8 E JCT SR 20, Skagit, WA
Built 1948 Load: 18.8 t ADT: 525
US 2
FairOver: DEEP CREEK
5.6 E LINCOLN CO, Spokane, WA
Built 1941 Load: 18.8 t ADT: 7,315
WOOD ROAD
FairOver: COULEE CREEK
0.9 S COULEE-HITE, Spokane, WA
Built 1971 Load: 18.8 t ADT: 491
MCFEELY RD
FairOver: WINNETT CANYON
04.00N SR 124, Walla Walla, WA
Built 1951 Load: 18.8 t ADT: 37
TEN MILE RD
FairOver: TEN MILE CR
00.3 E HANNEGAN RD., Whatcom, WA
Built 1934 Load: 18.8 t ADT: 372
JENNINGS/9100
FairOver: SOUTH FORK PALOUSE RIVER
0.05 MI S SAND, Whitman, WA
Built 1914 Load: 18.8 t ADT: 3
SUNSET/3360
FairOver: COTTONWOOD CREEK
4.65 MI NE PNE CTY-MALDEN, Whitman, WA
Built 1962 Load: 18.8 t ADT: 70
I-82
FairOver: SELAH CREEK
4.0 E KITTITAS CO, Yakima, WA
Built 1969 Load: 18.8 t ADT: 9,724
SUMMITVIEW ROAD
FairOver: COWICHE CREEK, S. FORK
00.26 SE COWICHE ML, Yakima, WA
Built 1958 Load: 18.8 t ADT: 5,447
ROSENKRANZ ROAD
FairOver: COWICHE CREEK, N. FORK
00.24 W FRANKLIN RD, Yakima, WA
Built 1958 Load: 18.8 t ADT: 325
THIEL RD
FairOver: DRY WASH
0.04 MI S LIND-RALSTON, Adams, WA
Built 1916 Load: 19.0 t ADT: 26
GEARHARDT RD
FairOver: LATERAL EL85 STA 2+30.30
00.09 MI N HATTON, Adams, WA
Built 1952 Load: 19.0 t ADT: 10
US 12
FairOver: SNAKE RIVER
0.1 E JCT SR 129, Asotin, WA
Built 1939 Load: 19.0 t ADT: 24,770
OLD PACIFIC HWY N
FairOver: TOUTLE RIVER
0.29 SE I-5 EXIT 52, Cowlitz, WA
Built 1935 Load: 19.0 t ADT: 509
LINVILLE GULCH RD
FairOver: TATMAN CREEK
1.2 S JCT SR 12, Garfield, WA
Built 1962 Load: 19.0 t ADT: 178
SR 28
FairOver: CRAB CREEK
10.5 E JCT SR 17, Grant, WA
Built 1939 Load: 19.0 t ADT: 580
V RD SW
FairOver: IRRIGATION LATERAL
V SW 0.5 S of Baseline, Grant, WA
Built 1956 Load: 19.0 t ADT: 64
O RD NW
FairOver: WEST CANAL
O NW 0.6 North of SR 28, Grant, WA
Built 1949 Load: 19.0 t ADT: 313
SR 109
FairOver: HUMPTULIPS RIVER
10.3 N JCT US 101, Grays Harbor, WA
Built 1956 Load: 19.0 t ADT: 6,351
ELMA GATE ROAD E
FairOver: HARRIS CREEK
00.5 S JCT SR12, Grays Harbor, WA
Built 1917 Load: 19.0 t ADT: 347
KESTNER HOMESTEAD
FairOver: KESTNER CREEK
Approximately MP 6.2 on N, Grays Harbor, WA
Built 2003 Load: 19.0 t ADT: 1
I-405
FairOver: RR & CITY STREETS
0.2 N JCT SR 181, King, WA
Built 1965 Load: 19.0 t ADT: 153,756
W DRAVUS ST
FairOver: RAILROAD YARDS
1800 W DRAVUS ST, King, WA
Built 1935 Load: 19.0 t ADT: 26,000
S SPOKANE ST
FairOver: E MARGINAL WY, 1ST, 4TH
S Spokane St & E Marginal, King, WA
Built 1941 Load: 19.0 t ADT: 42,350
SW SPOKANE ST
FairOver: DELRIDGE WAY SW
1200 SW Spokane St, King, WA
Built 1983 Load: 19.0 t ADT: 98,700
W GARFIELD ST
FairOver: 15TH AVE W
1600 15th Ave W, King, WA
Built 1957 Load: 19.0 t ADT: 19,500
BADGER PKT ROAD
FairOver: PARKE CREEK
00.73 N CARROLL RD, Kittitas, WA
Built 1955 Load: 19.0 t ADT: 507
CENTRALIA ALPHA RD
FairOver: NO.FK NEWAUKUM RIVER
0.04 SE JCT 46000, Lewis, WA
Built 1960 Load: 19.0 t ADT: 839
NORTH FORK RD.
FairOver: S. FORK NEWAUKUM RIVER
0.34 NE 94000, Lewis, WA
Built 1958 Load: 19.0 t ADT: 1,493
BOISTFORT RD.
FairOver: S.FORK CHEHALIS RIVER
1.08 S SR 6, Lewis, WA
Built 1958 Load: 19.0 t ADT: 686
WALNUT ST
FairOver: CHINA CREEK
.4 N JCT. SR 507, Lewis, WA
Built 1946 Load: 19.0 t
OAK ST
FairOver: CHINA CREEK
.1 S JCT. FAS1027, Lewis, WA
Built 1941 Load: 19.0 t ADT: 209
MAGONLIA ST
FairOver: CHINA CREEK
00.05 W JCT SR 507, Lewis, WA
Built 1941 Load: 19.0 t ADT: 149
STEVENS CANYON ROA
FairOver: STEVENS CREEK
14.1 MILES WEST OF JCT. U, Lewis, WA
Built 1940 Load: 19.0 t ADT: 1,500
STEVENS CANYON ROA
FairOver: OHANAPECOSH RIVER
0.2 MILES NORTHWEST OF JC, Lewis, WA
Built 1956 Load: 19.0 t ADT: 1,375
Bourgault Rd
FairOver: WEAVER CREEK
0.03 W JCT SR101, Mason, WA
Built 1966 Load: 19.0 t ADT: 73
Dewatto Holly rd
FairOver: DEWATTO RIVER
2.49 NE JCT Dewatto rd, Mason, WA
Built 1967 Load: 19.0 t ADT: 200
TIENHAARA ROAD
FairOver: SALMON CREEK
0.1 W WAHKIAKUM CO, Pacific, WA
Built 1980 Load: 19.0 t ADT: 74
HECKARD ROAD
FairOver: SLOUGH
3.2 SE JCT 101 & 6, Pacific, WA
Built 1916 Load: 19.0 t ADT: 226
320 ST E
FairOver: SOUTH CREEK
1.25 E JCT SR7, Pierce, WA
Built 1967 Load: 19.0 t ADT: 425
45 ST E
FairOver: LAKE TAPPS
1. SE SUMNR TPS HY, Pierce, WA
Built 1970 Load: 19.0 t ADT: 360
NISQUALLY ENTRANCE
FairOver: VAN TRUMP CREEK
10.8 miles northeast of N, Pierce, WA
Built 1928 Load: 19.0 t ADT: 2,000
SUNRISE ROAD
FairOver: WHITE RIVER
5.4 miles southwest of jc, Pierce, WA
Built 1930 Load: 19.0 t ADT: 1,786
Showing 1,951-2,000 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 |