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
SR 21
FairOver: SAN POIL RIVER
41.9 N LINCOLN CO, Ferry, WA
Built 1927 Load: 38.6 t ADT: 409
OCEAN BEACH ROAD
FairOver: HUMPTULIPS RIVER OVERFLO
7.2 NW JCT US 101, Grays Harbor, WA
Built 1966 Load: 38.6 t ADT: 2,619
I-90
FairOver: GOLD CREEK
0.7 E JCT SR 906, Kittitas, WA
Built 2011 Load: 38.6 t ADT: 17,475
FRIDAY CREEK ROAD
FairOver: FRIDAY CREEK
1.55 N JCT Old 99, Skagit, WA
Built 1977 Load: 38.6 t ADT: 184
ENDICOTT ROAD
FairOver: CREEK
0.6 m W of Delphi Int., Thurston, WA
Built 1958 Load: 38.6 t ADT: 458
I-82
FairOver: NP RY MOXEE
1.1 E JCT US 12, Yakima, WA
Built 1961 Load: 38.6 t ADT: 24,642
I-82
FairOver: YAKIMA RIVER
0.6 E JCT US 97, Yakima, WA
Built 1967 Load: 38.6 t ADT: 15,521
CENTRAL WAY
FairOver: NP RY
3.3 N JCT SR 520, King, WA
Built 1965 Load: 38.9 t ADT: 24,500
I-5
FairOver: TERRAIN
5.6 N JCT SR 900, King, WA
Built 1966 Load: 38.9 t ADT: 94,901
SR 520
FairOver: LAKE WASHINGTON
1.5 E JCT SR 513, King, WA
Built 2016 Load: 38.9 t ADT: 56,378
S 196TH ST
FairOver: UPRR, 77TH AVE S, BNSFRR
7200 S 196TH ST, King, WA
Built 2000 Load: 38.9 t ADT: 11,000
Middle Fork Rd
FairOver: North Fork Calispel Crk
3m w/o Wside Calispel Rd, Pend Oreille, WA
Built 2011 Load: 38.9 t ADT: 200
US 12
FairOver: SCATTER CREEK
4.5 E GRAYS HBR CO, Thurston, WA
Built 1926 Load: 38.9 t ADT: 13,012
ROSE VALLEY RD
FairOver: OWL CREEK
1.14 E OLD 99 S (MP 1.06), Cowlitz, WA
Built 1957 Load: 39.0 t ADT: 3,600
NO DATA ENTERED
FairOver: W F SATSOP RIVER
NO DATA ENTERED, Grays Harbor, WA
Built 1964 Load: 39.0 t ADT: 15
BLACK CREEK ROAD
FairOver: BLACK CREEK
02.0 NE JCT 9519, Grays Harbor, WA
Built 1976 Load: 39.0 t ADT: 156
I-5
FairOver: GALER-LAKEVIEW V
2.9 N JCT I-90, King, WA
Built 1961 Load: 39.0 t ADT: 103,122
SR 167
FairOver: MEEKER ST
0.2 N JCT SR 516, King, WA
Built 1967 Load: 39.0 t ADT: 54,591
SR 167
FairOver: MEEKER ST
0.2 N JCT SR 516, King, WA
Built 1967 Load: 39.0 t ADT: 54,591
SR 167
FairOver: JAMES ST
0.6 N JCT SR 516, King, WA
Built 1967 Load: 39.0 t ADT: 59,986
I-405
FairOver: NE 132ND ST
6.1 N JCT SR 520, King, WA
Built 1970 Load: 39.0 t ADT: 63,798
SR 518
FairOver: 8TH AVE
0.4 E JCT SR 509, King, WA
Built 1970 Load: 39.0 t ADT: 57,625
I-90
FairOver: S FK SNOQUALMIE R
17.3 E JCT SR 202, King, WA
Built 1971 Load: 39.0 t ADT: 17,937
I-90
FairOver: EAST CHANNEL-LK WASH
5.9 E JCT I-5, King, WA
Built 1988 Load: 39.0 t ADT: 61,610
SR 520
FairOver: NE 24TH ST
1.9 E JCT I-405, King, WA
Built 1998 Load: 39.0 t ADT: 43,146
N QUEEN ANNE DR
FairOver: RAVINE
Queen Anne Dr & 3rd Ave N, King, WA
Built 1935 Load: 39.0 t ADT: 125,000
ROUNDTREE ROAD
FairOver: LOST VALLEY CREEK
0.5 W BOISTFORT, Lewis, WA
Built 1960 Load: 39.0 t ADT: 32
WALKER ROAD
FairOver: BRANCH FOSTER CREEK
2.5 SW TOLEDO, Lewis, WA
Built 1957 Load: 39.0 t ADT: 76
SPENCER ROAD
FairOver: BLUE CREEK
5.5 SW SALKUM, Lewis, WA
Built 1958 Load: 39.0 t ADT: 363
CHILVERS RD.
FairOver: MILL CR.
1.00 N LITTELL, Lewis, WA
Built 1980 Load: 39.0 t ADT: 774
SR 31
FairOver: CEDAR CREEK
4.1 N JCT SR 20, Pend Oreille, WA
Built 1946 Load: 39.0 t ADT: 1,590
66 AV E
FairOver: CLARKS CREEK
0.7 S JCT SR 410, Pierce, WA
Built 1950 Load: 39.0 t ADT: 4,850
66 AV E
FairOver: CLARKS CREEK
0.6 S JCT SR 410, Pierce, WA
Built 1950 Load: 39.0 t ADT: 4,850
SR 20
FairOver: ROCKY CREEK
4.6 E JCT SR 530, Skagit, WA
Built 1947 Load: 39.0 t ADT: 2,432
MOUNTAIN LOOP HWY
FairOver: DUTCH CREEK
8.0 SE DARRINGTON, Snohomish, WA
Built 2003 Load: 39.0 t ADT: 644
US 195
FairOver: PINE CREEK
0.9 N WHITMAN CO, Spokane, WA
Built 1974 Load: 39.0 t ADT: 4,652
BROADWAY AVENUE
FairOver: MAPLE STREET
1.2 W OF SR 395, Spokane, WA
Built 1958 Load: 39.0 t ADT: 3,991
SR 507
FairOver: TACOMA RAIL RR
1.8 N JCT SR 510, Thurston, WA
Built 1982 Load: 39.0 t ADT: 14,693
US 12
FairOver: ABANDONED RR GRADE
11.5 E JCT SR 124, Walla Walla, WA
Built 1953 Load: 39.0 t ADT: 8,399
SR 20
FairOver: PANTHER CR
21.9 E SKAGIT CO, Whatcom, WA
Built 1972 Load: 39.0 t ADT: 1,257
LUCY RD
FairOver: EAST LOW CANAL 4372+31.0
00.25 MI N SR26, Adams, WA
Built 1900 Load: 39.2 t ADT: 223
I-5
FairOver: S 336TH ST
0.8 N JCT SR 18, King, WA
Built 1959 Load: 39.2 t ADT: 89,140
FAS ROUTE K241
FairOver: CHEWUCH RIVER
.SENWS2T35NR21E, Okanogan, WA
Built 1953 Load: 39.2 t ADT: 173
CO RD 06470
FairOver: KETTLE RIVER
00.18 E SR 21, Ferry, WA
Built 1910 Load: 39.5 t ADT: 30
FISHER HILL ROAD
FairOver: KLICKITAT RIVER
0.01 W JCT SR 142, Klickitat, WA
Built 1987 Load: 39.5 t ADT: 22
I-82
FairOver: YAKIMA RIVER
0.6 E JCT US 97, Yakima, WA
Built 1967 Load: 39.5 t ADT: 15,521
LAUER RD
FairOver: ROCKY COULEE
01.51 MI N TOKIO RD, Adams, WA
Built 1914 Load: 39.9 t ADT: 14
SR 14
FairOver: DEAD CANYON
4.8 E KLICKITAT CO, Benton, WA
Built 1965 Load: 39.9 t ADT: 1,431
US 101
FairOver: SOL DUC RIVER
1.2 N JCT SR 110, Clallam, WA
Built 1958 Load: 39.9 t ADT: 4,108
LAKE CRESCENT ROAD
FairOver: BARNES CREEK
19.4 mi W of Port Angeles, Clallam, WA
Built 1945 Load: 39.9 t ADT: 50
Showing 4,101-4,150 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 |