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
UMPTANUM ROAD
FairOver: YAKIMA RIVER
00.37 W I-90, Kittitas, WA
Built 1971 Load: 26.6 t ADT: 6,083
EAST 26TH STREET
FairOver: CMSTP&P RR A TO C STREE
0.4 N JCT I-5 &SR7, Pierce, WA
Built 1931 Load: 26.6 t ADT: 8,375
ALEXANDER RD.,E.
FairOver: BLACK CREEK
00.26 E RAY ROAD, Yakima, WA
Built 1958 Load: 26.6 t ADT: 230
WANETA ROAD
FairOver: BLACK CREEK
00.12 N OF TEAR RD, Yakima, WA
Built 1958 Load: 26.6 t ADT: 2,150
TIETON ROAD,NORTH
FairOver: COWICHE CREEK, N. FORK
00.27 S ROSENKRANZ, Yakima, WA
Built 1959 Load: 26.6 t ADT: 890
NEILSON RD
FairOver: INTERMITTENT STREAM
00.15 MI N SR395, Adams, WA
Built 1925 Load: 26.9 t ADT: 28
NORTH DEADMAN RD
FairOver: NORTH DEADMAN CREEK
15.4 N JCT SR 12, Garfield, WA
Built 1962 Load: 26.9 t ADT: 234
SR 17
FairOver: ROCKY FORD CR
12.7 N JCT SR 171, Grant, WA
Built 1955 Load: 26.9 t ADT: 9,713
US 12
FairOver: GIBSON CREEK
8.6 E JCT SR 8, Grays Harbor, WA
Built 1937 Load: 26.9 t ADT: 5,708
US 101
FairOver: SALMON CR
0.6 N PACIFIC CO, Grays Harbor, WA
Built 1929 Load: 26.9 t ADT: 4,284
5TH AVENUE
FairOver: WHISKEY CREEK
5TH AVE & MERCER CR, Kittitas, WA
Built 1979 Load: 26.9 t ADT: 5,324
OLSON ROAD 96190
FairOver: NO NAME CREEK
5.60 N FAS L220, Lincoln, WA
Built 1978 Load: 26.9 t ADT: 119
WILTZIUS/3030
FairOver: PACKER CREEK
9.63 MI SE STONER, Whitman, WA
Built 1980 Load: 26.9 t ADT: 86
ENDICOTT/4000
FairOver: REBEL FLAT CREEK
11.08 E ADAMS CNTY LINE, Whitman, WA
Built 1979 Load: 26.9 t ADT: 554
FORT ROAD
FairOver: TOPPENISH CREEK
0.36 E BARKES, Yakima, WA
Built 1954 Load: 26.9 t ADT: 2,146
MARION DRAIN RD.
FairOver: DRY WASH
00.10 W. OSPREY RD., Yakima, WA
Built 1974 Load: 26.9 t ADT: 95
IRR BIA RTE 26
FairOver: NORTH MOCLIPS RIVER
15 KM N.E. OF MOCLIPS, Grays Harbor, WA
Built 1965 Load: 27.0 t ADT: 375
BILLINGTON RD
FairOver: EL81 WASTEWAY 67+12.23
01.19 MI N SR26, Adams, WA
Built 1952 Load: 27.2 t ADT: 196
BENZEL RD
FairOver: DRY WASH
00.01N RALSTON-BNGE, Adams, WA
Built 1952 Load: 27.2 t ADT: 3
Park Access Road
FairOver: Snake River
Chief Timothy Park, Asotin, WA
Built 1975 Load: 27.2 t ADT: 150
SR 112
FairOver: LYRE RIVER
23.5 E JCT SR 113, Clallam, WA
Built 1959 Load: 27.2 t ADT: 825
NO DATA ENTERED
FairOver: GREY WOLF RIVER
NO DATA ENTERED, Clallam, WA
Built 1966 Load: 27.2 t ADT: 25
SR 501
FairOver: GEE CREEK
2.2 S JCT I-5, Clark, WA
Built 1965 Load: 27.2 t ADT: 5,676
CARLON LOOP RD
FairOver: COAL CREEK
0.07 S COAL CRK RD (3.62), Cowlitz, WA
Built 1963 Load: 27.2 t ADT: 88
US 12
FairOver: SNAKE RIVER & BNRR
2.9 E JCT I-182, Franklin, WA
Built 1950 Load: 27.2 t ADT: 12,949
N RD NW
FairOver: IRRIGATION LATERAL
N NW 0.3 N of 11 NW, Grant, WA
Built 1952 Load: 27.2 t ADT: 158
O RD SW
FairOver: WEST CANAL
O SW 1.2 N of 11, Grant, WA
Built 1958 Load: 27.2 t ADT: 257
K RD SW
FairOver: IRRIGATION LATERAL
K SW 0.9 South of 11 SW, Grant, WA
Built 1958 Load: 27.2 t ADT: 85
SR 107
FairOver: SLOUGH
7.6 N JCT US 101, Grays Harbor, WA
Built 1953 Load: 27.2 t ADT: 4,320
NO DATA ENTERED
FairOver: WYNOOCHEE RIVER
NO DATA ENTERED, Grays Harbor, WA
Built 1968 Load: 27.2 t ADT: 100
SOUTH BANK ROAD
FairOver: DELEZENNE CREEK
0.1 MI. NW DELEZENNE RD, Grays Harbor, WA
Built 1971 Load: 27.2 t ADT: 1,007
O'NEILL ROAD
FairOver: NEWMAN CREEK
00.8 N JCT 9710, Grays Harbor, WA
Built 1979 Load: 27.2 t ADT: 126
OCEAN BEACH ROAD
FairOver: HUMPTULIPS RIVER
9.0 NW JCT SR 101, Grays Harbor, WA
Built 1980 Load: 27.2 t ADT: 2,649
NO DATA ENTERED
FairOver: BIG QUILCENE RIVER
NO DATA ENTERED, Jefferson, WA
Built 1962 Load: 27.2 t ADT: 50
SR 116
FairOver: PORTAGE CANAL
2.7 E JCT SR 19, Jefferson, WA
Built 1951 Load: 27.2 t ADT: 2,692
UPPER HOH ROAD
FairOver: SNIDER CREEK
16.2 MI. E. OF JCT. HWY., Jefferson, WA
Built 1993 Load: 27.2 t ADT: 692
SR 203
FairOver: HARRIS CREEK
8.2 N JCT SR 202, King, WA
Built 1945 Load: 27.2 t ADT: 9,561
US 2
FairOver: STREAM
7.0 E SNOHOMISH CO, King, WA
Built 1937 Load: 27.2 t ADT: 5,562
SR 18
FairOver: PEASLEY CANYON RD
1.9 E JCT I-5, King, WA
Built 1958 Load: 27.2 t ADT: 101,558
I-90
FairOver: S FK SNOQUALMIE R
6.3 E JCT SR 202, King, WA
Built 1974 Load: 27.2 t ADT: 18,182
S BOEING ACCESS RD
FairOver: BNRR
0.3 MI W OF E MARGINAL WY, King, WA
Built 1945 Load: 27.2 t ADT: 32,504
236TH AVE SE
FairOver: NEWAUKUM CREEK
0.5 MI N OF SR-164, King, WA
Built 1927 Load: 27.2 t ADT: 520
COVINGTON-SWYR RD
FairOver: JENKINS CREEK
0.7 MI SE OF SR-516, King, WA
Built 1929 Load: 27.2 t ADT: 15,015
15TH AVE NW
FairOver: NW LEARY WAY
15th Ave NW & NW Leary Wy, King, WA
Built 1958 Load: 27.2 t ADT: 60,000
W HOWE ST
FairOver: 32ND AVE W, RAVINE
3200 W Howe St, King, WA
Built 1946 Load: 27.2 t ADT: 2,300
1ST AVE S
FairOver: ARGO RR YARD
4500 1st Ave S, King, WA
Built 1935 Load: 27.2 t ADT: 19,000
I-82
FairOver: LMUMA CREEK
11.8 E JCT SR 821, Kittitas, WA
Built 1970 Load: 27.2 t ADT: 9,724
ROAD
FairOver: DURST CREEK
NO DATA ENTERED, Kittitas, WA
Built 1966 Load: 27.2 t ADT: 25
ROAD
FairOver: SOUTH FORK MANASTASH CR
NO DATA ENTERED, Kittitas, WA
Built 1975 Load: 27.2 t ADT: 100
I-5
FairOver: SALZER CREEK
2.2 N JCT SR 6, Lewis, WA
Built 1951 Load: 27.2 t ADT: 75,731
Showing 3,051-3,100 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 |