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
SCHMIDLEKOFER RD
FairOver: COLVILLE RIVER
.96 W of Heine Rd., Stevens, WA
Built 1975 Load: 29.2 t ADT: 85
FAIRBANKS/0160
FairOver: HANGMAN CREEK
0.11 MI SW SR 27, Whitman, WA
Built 1970 Load: 29.2 t ADT: 112
GLENWOOD/2450
FairOver: PALOUSE RIVER
2.66 MI NW SR 272, Whitman, WA
Built 1967 Load: 29.2 t ADT: 75
SR 823
FairOver: BN RR
0.4 N JCT I-82, Yakima, WA
Built 1947 Load: 29.2 t ADT: 17,558
I-82
FairOver: RAILROAD
0.6 E JCT SR 14, Benton, WA
Built 1980 Load: 29.5 t ADT: 12,412
W KENNEWICK AVE
FairOver: C.I.D. CANAL
.52 E JCT OLYMPIA, Benton, WA
Built 1959 Load: 29.5 t ADT: 4,291
WHISKEY CREEK ROAD
FairOver: WHISKY CREEK
3.3 S JCT 9106, Columbia, WA
Built 1974 Load: 29.5 t ADT: 50
WILLOW CR. ROAD
FairOver: WILLOW CREEK
3.9 E JCT SR 12, Columbia, WA
Built 1967 Load: 29.5 t ADT: 35
US 12
FairOver: SATSOP R OVERFLOW
5.0 E JCT SR 107, Grays Harbor, WA
Built 1965 Load: 29.5 t ADT: 11,538
US 12
FairOver: SATSOP R OVERFLOW
5.0 E JCT SR 107, Grays Harbor, WA
Built 1965 Load: 29.5 t ADT: 11,538
FOREST DR
FairOver: COAL CREEK
FOREST DR & 152ND, King, WA
Built 1989 Load: 29.5 t ADT: 3,505
SR 821
FairOver: LOWER WILSON CREEK
19.2 N YAKIMA CO, Kittitas, WA
Built 1932 Load: 29.5 t ADT: 1,437
CEDAR VALLEY ROAD
FairOver: BOWMAN CREEK
7.1 N JCT CR 26600, Klickitat, WA
Built 1987 Load: 29.5 t ADT: 8
MITCHUM ROAD
FairOver: COAL CREEK
3.93 SW SR 28, Lincoln, WA
Built 1912 Load: 29.5 t ADT: 10
FAS ROUTE L242
FairOver: GOAT CREEK
1.5 MI SE MAZAMA, Okanogan, WA
Built 1971 Load: 29.5 t ADT: 338
FS ROUTE NO. 1075
FairOver: UPPER W. BRANCH
UPPER WEST BRANCH, Pend Oreille, WA
Built 1979 Load: 29.5 t ADT: 40
LAKE SAMISH RD
FairOver: FRIDAY CREEK
0.25 E JCT INTERSTATE 5, Skagit, WA
Built 1965 Load: 29.5 t ADT: 5,124
BAKER LAKE ROAD
FairOver: BEAR CREEK
9.5 NE JCT SR 20, Skagit, WA
Built 1966 Load: 29.5 t ADT: 714
US 2
FairOver: ANDERSON CREEK
19.3 E JCT SR 203, Snohomish, WA
Built 1933 Load: 29.5 t ADT: 6,381
SR 290
FairOver: RAILROAD
6.8 E JCT I-90, Spokane, WA
Built 1964 Load: 29.5 t ADT: 9,818
GREENWOOD
FairOver: COLVILLE RIVER
00.15 S JCT SR 395, Stevens, WA
Built 1972 Load: 29.5 t ADT: 499
TEXAS LAKE/4140
FairOver: ROCK CREEK
0.72 MI S WAGNER, Whitman, WA
Built 1963 Load: 29.5 t ADT: 34
W 1ST AVENUE
FairOver: C.I.D. CANAL
.08 S JCT KENN AV, Benton, WA
Built 1956 Load: 29.8 t ADT: 10,411
TALLEY WAY
FairOver: COWEEMAN RIVER
0.05 N ST RT 432, Cowlitz, WA
Built 1961 Load: 29.8 t ADT: 5,285
I-90
FairOver: PELICAN HORN
0.9 E JCT SR 171, Grant, WA
Built 1957 Load: 29.8 t ADT: 10,515
I-90
FairOver: PELICAN HORN
0.9 E JCT SR 171, Grant, WA
Built 1958 Load: 29.8 t ADT: 10,515
S 180TH ST
FairOver: GREEN RIVER
0.1 MI W JCT SR-181, King, WA
Built 1968 Load: 29.8 t ADT: 15,698
OLD CASCADE HWY
FairOver: MARTIN CEEK
0.2 MI S OF SR-2, King, WA
Built 1959 Load: 29.8 t ADT: 60
SOUTH FERGUSON RD
FairOver: PARKE CREEK
00.34 N SORENSON RD, Kittitas, WA
Built 1996 Load: 29.8 t ADT: 86
ROCK CREEK ROAD
FairOver: SQUAW CREEK
5.4 S JCT CR 34000, Klickitat, WA
Built 1982 Load: 29.8 t ADT: 16
SR 9
FairOver: SAMISH RIVER
6.4 N JCT SR 20, Skagit, WA
Built 1947 Load: 29.8 t ADT: 3,638
SOUTH SKAGIT HWY
FairOver: PRESSENTIN CREEK
18.5 E JCT SR9, Skagit, WA
Built 1966 Load: 29.8 t ADT: 635
US 12
FairOver: TOUCHET RIVER
0.1 E JCT SR 124, Walla Walla, WA
Built 1931 Load: 29.8 t ADT: 4,888
HAXTON WY
FairOver: RED RIVER
00.70 S OF SLATER, Whatcom, WA
Built 1920 Load: 29.8 t ADT: 5,592
KITZMILLER/5520
FairOver: MISSOURI FLAT CREEK
0.43 MI SE WHELAN, Whitman, WA
Built 1965 Load: 29.8 t ADT: 237
SUTTON ROAD
FairOver: BRANCH CANAL EL68 275+19
00.51 MI W SR17, Adams, WA
Built 1952 Load: 29.9 t ADT: 71
I-5
FairOver: LOG DUMP RD
1.6 N JCT SR 503, Cowlitz, WA
Built 1955 Load: 29.9 t ADT: 33,715
I-182
FairOver: NP RY
1.6 E JCT US 395, Franklin, WA
Built 1964 Load: 29.9 t ADT: 26,482
9 ROAD NW
FairOver: IRRIGATION LATERAL
9 NW 0.2 East of E NW, Grant, WA
Built 1950 Load: 29.9 t ADT: 463
ELMA MCCLEARY ROAD
FairOver: WILDCAT CREEK
2.0 NE JCT SR 8, Grays Harbor, WA
Built 1921 Load: 29.9 t ADT: 1,863
WYNOOCHE WISHKAH
FairOver: EAST FORK WISHKAH RIVER
04.1 W JCT 9519, Grays Harbor, WA
Built 1979 Load: 29.9 t ADT: 682
US 101
FairOver: QUEETS RIVER
0.6 N GRAYS HBR CO, Jefferson, WA
Built 1991 Load: 29.9 t ADT: 1,092
SR 509
FairOver: JOES CREEK
2.1 N PIERCE CO, King, WA
Built 1929 Load: 29.9 t ADT: 3,821
SR 203
FairOver: SLOUGH
0.3 N JCT SR 202, King, WA
Built 1945 Load: 29.9 t ADT: 7,622
I-5
FairOver: S 336TH ST
0.8 N JCT SR 18, King, WA
Built 1959 Load: 29.9 t ADT: 89,140
SR 520 E-N RAMP
FairOver: 115th AVE NE & TRAIL
JCT I-405, King, WA
Built 1993 Load: 29.9 t ADT: 12,263
SW SPOKANE ST
FairOver: DELRIDGE WAY SW
1200 SW Spokane St, King, WA
Built 1983 Load: 29.9 t ADT: 93,180
SR 10
FairOver: TERRAIN
2.0 E JCT SR 970, Kittitas, WA
Built 1937 Load: 29.9 t ADT: 1,317
SR 508
FairOver: KEARNEY CREEK
16.0 E JCT I-5, Lewis, WA
Built 1937 Load: 29.9 t ADT: 1,672
SR 508
FairOver: ALDER CREEK
22.7 E JCT I-5, Lewis, WA
Built 1937 Load: 29.9 t ADT: 1,171
Showing 3,351-3,400 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 |