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
NB SR 539
PoorOver: NOOKSACK R
2.0 N JCT SR 544, Whatcom, WA
Built 1950 Load: 20.0 t ADT: 8,300
WALLULA AVE
PoorOver: MILL CREEK
00.10 E SR 12, Walla Walla, WA
Built 1947 Load: 20.1 t ADT: 948
MARINE DR
PoorOver: G.N. RR
00.2 E WYNN RD, Whatcom, WA
Built 1940 Load: 20.1 t ADT: 5,805
US 101
PoorOver: CHEHALIS RIVER
0.2 N JCT SR 105, Grays Harbor, WA
Built 1955 Load: 20.4 t ADT: 25,602
SR 285
PoorOver: WENATCHEE RIVER & GNRR
1.5 N JCT SR 285COWENTCH, Chelan, WA
Built 1954 Load: 20.9 t ADT: 19,498
OLD 99 SOUTH
PoorOver: OWL CREEK
1.00 S KELSO DR (LV WYE), Cowlitz, WA
Built 1922 Load: 20.9 t ADT: 6,500
OCEAN BEACH ROAD
PoorOver: HUMPTULIPS RIVER OVERFLO
06.8 NW JCT US 101, Grays Harbor, WA
Built 1964 Load: 20.9 t ADT: 2,622
BARCLAY CREEK ROAD
PoorOver: BARCLAY CREEK TRIB
ROAD 6024, MP 0.2, King, WA
Built 2006 Load: 20.9 t ADT: 50
SR 823
PoorOver: BNSF RAILROAD
4.0 N JCT I-82, Yakima, WA
Built 1972 Load: 20.9 t ADT: 4,786
COUNTY ROAD
PoorOver: POTHOLES EAST CANAL
2.18 NE JCT 903, Franklin, WA
Built 1955 Load: 21.1 t ADT: 60
US 12
PoorOver: PURCELL CREEK
22.2 E JCT SR 131, Lewis, WA
Built 1971 Load: 21.1 t ADT: 2,360
LEMASTER RD
PoorOver: WASTEWAY EL81 128+36.98
00.87 MI N SR26, Adams, WA
Built 1952 Load: 21.8 t ADT: 135
OCEAN BEACH ROAD
PoorOver: BERG SLOUGH
06.9 NW JCT US 101, Grays Harbor, WA
Built 1964 Load: 21.8 t ADT: 2,622
4TH AVE S
PoorOver: ARGO RR YARD
4700 4th Ave S, King, WA
Built 1933 Load: 21.8 t ADT: 28,000
ROAD
PoorOver: GOLD CREEK
NO DATA ENTERED, Kittitas, WA
Built 1960 Load: 21.8 t ADT: 60
NO DATA ENTERED
PoorOver: TRAPPER CREEK
14.4 MILES N. OF HWY 14 (, Skamania, WA
Built 1954 Load: 21.8 t ADT: 10
CANAL DRIVE
PoorOver: CID CANAL
.70 E SR 395, Benton, WA
Built 1964 Load: 22.0 t ADT: 5,206
US 12
PoorOver: NINE MILE CR & RR
6.5 E JCT US 730 SPUR, Walla Walla, WA
Built 1933 Load: 22.0 t ADT: 7,778
W GARFIELD ST
PoorOver: MARINA PL, RR, RAVINE
1700 W Garfield St, King, WA
Built 1929 Load: 22.7 t ADT: 18,000
SR 507
PoorOver: SKOOKUMCHUCK RIVER
2.4 N JCT I-5, Lewis, WA
Built 1928 Load: 22.7 t ADT: 8,699
NO DATA ENTERED
PoorOver: DRY CREEK
ABOUT 11 MILES SW OF TROU, Skamania, WA
Built 1962 Load: 22.7 t ADT: 118
NO DATA ENTERED
PoorOver: LOST CREEK
ABOUT 10 1/2 MILES SOUTHW, Skamania, WA
Built 1962 Load: 22.7 t ADT: 118
44TH ST NE
PoorOver: LITTLE PILCHUCK CREEK
0.2 W JCT SR 92, Snohomish, WA
Built 1961 Load: 22.7 t ADT: 953
SR 4
PoorOver: HULL CREEK
12.6 E JCT SR 401, Wahkiakum, WA
Built 1934 Load: 22.7 t ADT: 1,124
SMITH SPRINGS RD
PoorOver: DRY HOLLOW
13.99 N SR 124, Walla Walla, WA
Built 1926 Load: 22.7 t ADT: 36
SMITH SPRINGS RD
PoorOver: DRY HOLLOW
17.20 N SR 124, Walla Walla, WA
Built 1926 Load: 22.7 t ADT: 24
SR 542
PoorOver: GLACIER CREEK
10.6 E JCT SR 547, Whatcom, WA
Built 1956 Load: 22.7 t ADT: 1,251
ELECTRIC AVENUE
PoorOver: WHATCOM CREEK
0.11 S JCT ALABAMA ST, Whatcom, WA
Built 1959 Load: 22.7 t ADT: 8,500
SR 302
PoorOver: HENDERSON BAY
10.7 E MASON CO, Pierce, WA
Built 1936 Load: 23.0 t ADT: 23,196
C STREET
PoorOver: CLOVER CREEK
GRID COORD ET388204, Pierce, WA
Built 1960 Load: 23.7 t ADT: 1
SO 24TH AVENUE
PoorOver: WIDE HOLLOW CREEK
00.16 N WASHINGTON, Yakima, WA
Built 1970 Load: 23.7 t ADT: 12,000
WASHINGTON STREET
PoorOver: CID CANAL
.32 S JCT 1ST AVE, Benton, WA
Built 1971 Load: 24.0 t ADT: 12,416
NO DATA ENTERED
PoorOver: CANYON CREEK
ABOUT 4 MILES EAST OF CHE, Clark, WA
Built 1948 Load: 24.2 t ADT: 207
WEEL ROAD
PoorOver: CLALLAM RIVER
00.39 E JCT SR112, Clallam, WA
Built 1969 Load: 24.5 t ADT: 27
NE 175TH ST
PoorOver: SWAMP CREEK
0.1 MI S OF SR-522, King, WA
Built 1951 Load: 24.5 t ADT: 300
NEWHALEM PH ROAD
PoorOver: NEWHALEM CREEK
Newhalem Powerhouse, King, WA
Built 1968 Load: 24.5 t ADT: 65
MCMANAMY ROAD
PoorOver: DRY CREEK
00.21 W US 97, Kittitas, WA
Built 1936 Load: 24.5 t ADT: 120
DRY CREEK ROAD
PoorOver: CURRIER CREEK
00.54 E FAUST ROAD, Kittitas, WA
Built 1930 Load: 24.5 t ADT: 449
BZ Glenwood Hwy
PoorOver: OUTLET CREEK
15.2 NE JCT SR 141, Klickitat, WA
Built 1958 Load: 24.6 t ADT: 217
COUNTY ROAD 1600
PoorOver: BEAVER CREEK
2.8 MI.N.JCT.SR20, Okanogan, WA
Built 1957 Load: 24.9 t ADT: 50
SR 500
PoorOver: LACAMAS LAKE
12.6 E JCT SR 503, Clark, WA
Built 1930 Load: 25.3 t ADT: 10,894
W MEEKER STREET
PoorOver: GREEN RIVER
0.1 MI E OF JCT SR-516, King, WA
Built 1958 Load: 25.3 t ADT: 25,000
SR 20
PoorOver: ABANDONED RAILROAD
5.3 E OKANOGAN CO, Ferry, WA
Built 1960 Load: 25.4 t ADT: 2,698
ROAD
PoorOver: NORTH FORK TANEUM
TANEUM JCT, Kittitas, WA
Built 1957 Load: 25.4 t ADT: 100
NO DATA ENTERED
PoorOver: LENA CREEK
NO DATA ENTERED, Mason, WA
Built 1964 Load: 25.4 t ADT: 25
SR 22
PoorOver: BEAVER CRK
0.2 E JCT I-82, Yakima, WA
Built 1979 Load: 25.4 t ADT: 9,070
SR 203
PoorOver: CHERRY CREEK
17.3 N JCT SR 202, King, WA
Built 1946 Load: 25.6 t ADT: 10,190
SR 529
PoorOver: UNION SL
5.9 N JCT SR 529 SPUR, Snohomish, WA
Built 1954 Load: 25.6 t ADT: 16,054
S BOEING ACCESS RD
PoorOver: AIRPORT WAY BAR RAMP
0.2 W E MARGINAL WY, King, WA
Built 1952 Load: 26.2 t ADT: 40,000
STEELE RD
PoorOver: BRANCH CANAL EL68 134+51
00.01 MI N HERMAN, Adams, WA
Built 1952 Load: 26.3 t ADT: 107
Showing 8,501-8,550 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 |