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
Data updated May 2026
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
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.
CA
California
4.60% top marginal rate
AR
Arkansas
4.71% top marginal rate
WA
Washington
4.81% top marginal rate
IN
Indiana
4.94% top marginal rate
KS
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
CMSTPP RR
UnknownOver: STATE ROUTE 17
5.9 N JCT SR 26, Adams, WA
Built 1955 ADT: 7,845
SR 26
UnknownOver: SR 24
14.4 E GRANT CO, Adams, WA
Built 1956 ADT: 8,561
I-90
UnknownOver: SR 261
26.9 N JCT SR 26, Adams, WA
Built 1958 ADT: 6,223
I-90
UnknownOver: SR 261
26.9 N JCT SR 26, Adams, WA
Built 1952 ADT: 6,223
WELLSANDT RD
UnknownOver: I-90
0.9 E JCT SR 261, Adams, WA
Built 1958 ADT: 20,668
SCHOESSLER RD
UnknownOver: I-90
4.4 E JCT SR 261, Adams, WA
Built 1958 ADT: 20,406
E DANEKAS RD
UnknownOver: I-90
9.3 E JCT SR 261, Adams, WA
Built 1958 ADT: 20,057
US 395 RAMP
UnknownOver: I-90
13.4 E JCT SR 21, Adams, WA
Built 1958 ADT: 11,372
NP RY
UnknownOver: I-90
13.4 E JCT SR 21, Adams, WA
Built 1959 ADT: 11,372
WELLSANDT RD
UnknownOver: I-90
13.2 E JCT SR 261, Adams, WA
Built 1967 ADT: 20,813
N BOB LEE RD
UnknownOver: I-90
17.0 E JCT SR 261, Adams, WA
Built 1968 ADT: 20,813
I-90
UnknownOver: SR 21
13.4 N JCT US 395, Adams, WA
Built 1972 ADT: 313
I-90
UnknownOver: SR 21
13.5 N JCT US 395, Adams, WA
Built 1972 ADT: 313
SR 26
UnknownOver: US 395
5.1 N FRANKLIN CO, Adams, WA
Built 1995 ADT: 8,221
URQUHART RD
UnknownOver: US 395
10.9 N JCT SR 21, Adams, WA
Built 1995 ADT: 9,351
SR 21
UnknownOver: US 395
15.8 N JCT SR 26, Adams, WA
Built 1995 ADT: 8,881
US 395 NB
UnknownOver: N-N RAMP
13.0 N JCT SR 21, Adams, WA
Built 1996 ADT: 376
US 395 SB
UnknownOver: N-N RAMP
13.0 N JCT SR 21, Adams, WA
Built 1996 ADT: 376
I-90
UnknownOver: US 395 SB
13.4 E JCT SR 21, Adams, WA
Built 1996 ADT: 4,127
I-90
UnknownOver: US 395 SB
13.4 E JCT SR 21, Adams, WA
Built 1995 ADT: 4,127
SR 17
UnknownOver: SR 26
JCT SR 17, Adams, WA
Built 2001 ADT: 5,608
FLESHMAN WAY
UnknownOver: STATE ROUTE 129
40.8 N OREGON, Asotin, WA
Built 1982 ADT: 7,600
SR 240 WB
UnknownOver: US 395-SR 240 RAMPS
0.2 W JCT US 395, Benton, WA
Built 1952 ADT: 10,094
US 395
UnknownOver: SR 240 / W COLUMBIA DR
6.7 E JCT I-182, Benton, WA
Built 1954 ADT: 13,119
COLUMBIA CNTR BLVD
UnknownOver: SR 240
2.8 E JCT I-182, Benton, WA
Built 1960 ADT: 55,072
COLUMBIA CTR BLVD
UnknownOver: SR 240
2.8 E JCT I-182, Benton, WA
Built 1970 ADT: 55,072
I-82
UnknownOver: SR 224
JCT I-82, Benton, WA
Built 1973 ADT: 6,948
I-82
UnknownOver: SR 224
JCT I-82, Benton, WA
Built 1973 ADT: 6,948
SR 22 / WINE CNTRY
UnknownOver: I-82
6.9 E YAKIMA CO LN, Benton, WA
Built 1978 ADT: 17,369
GAP ROAD
UnknownOver: I-82
4.6 E YAKIMA CO LN, Benton, WA
Built 1978 ADT: 16,441
OLD INLAND EMPIRE
UnknownOver: I-82
5.7 E YAKIMA CO LN, Benton, WA
Built 1978 ADT: 21,193
BN RR
UnknownOver: INTERSTATE ROUTE 82
6.9 E YAKIMA CO LN, Benton, WA
Built 1979 ADT: 17,369
BNRR
UnknownOver: I-82
3.5 E YAKIMA CO LN, Benton, WA
Built 1980 ADT: 24,330
JOHNSON RD
UnknownOver: I-82
3.7 E YAKIMA CO LN, Benton, WA
Built 1980 ADT: 24,330
I-82
UnknownOver: SR 14
13.5 E JCT SR 221, Benton, WA
Built 1981 ADT: 3,837
I-82
UnknownOver: SR 14
13.5 E JCT SR 221, Benton, WA
Built 1980 ADT: 3,837
I-182 S-E RAMP
UnknownOver: SR 240/GEO WASH WAY
4.0 E JCT SR 224, Benton, WA
Built 1983 ADT: 28,794
DOE RR
UnknownOver: SR 182
3.9 E JCT I-82, Benton, WA
Built 1983 ADT: 58,921
JADWIN AVE
UnknownOver: I-182
0.5 E JCT SR 240, Benton, WA
Built 1983 ADT: 73,719
SR 240
UnknownOver: I-182
3.9 E JCT I-82, Benton, WA
Built 1983 ADT: 58,921
AARON DR OLDSR240
UnknownOver: I-182 W-W RAMP
3.9 E JCT I-82, Benton, WA
Built 1983 ADT: 13,895
SR 240/G WASH WAY
UnknownOver: I-182
JCT I-182/SR 240, Benton, WA
Built 1983 ADT: 73,719
KEENE ROAD
UnknownOver: I-182
2.4 E JCT I-82, Benton, WA
Built 1983 ADT: 26,527
KEENE RD
UnknownOver: I-182
2.4 E JCT I-82, Benton, WA
Built 1982 ADT: 26,527
QUEENSGATE DRIVE
UnknownOver: I-182
2.9 E JCT I-82, Benton, WA
Built 1984 ADT: 26,527
BECK RD
UnknownOver: I-82
7.4 E JCT US 395, Benton, WA
Built 1983 ADT: 22,011
I-82
UnknownOver: I-182
JCT I-82, Benton, WA
Built 1984 ADT: 13,150
I-82
UnknownOver: I-182
JCT I-82, Benton, WA
Built 1984 ADT: 13,150
I-82
UnknownOver: DALLAS RD
2.0 E JCT I-182, Benton, WA
Built 1985 ADT: 1,641
I-82
UnknownOver: DALLAS RD
2.0 E JCT I-182, Benton, WA
Built 1985 ADT: 1,641
Showing 1-50 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.
Every figure on PlainBridge is rendered directly from federal source data, no number is typed in by an editor. This page draws directly on federal source data, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.