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
Rainier Blvd. N.
GoodOver: East Fork Issaquah Creek
0.3 MI S OF I-90, King, WA
Built 2004 Load: 35.0 t ADT: 7,500
Charlton road
GoodOver: Naneum Creek
.09 west of Naneum Rd, Kittitas, WA
Built 2009 Load: 35.0 t ADT: 89
KITTITAS HWY
GoodOver: NANEUM CREEK
0.47 WEST NORTH FERGUSON, Kittitas, WA
Built 2015 Load: 35.0 t ADT: 4,356
NF TEANAWAY RD
GoodOver: NF TEANAWAY RIVER
02.85 NF TEANAWAY RD, Kittitas, WA
Built 2023 Load: 35.0 t ADT: 135
CRESTON SOUTH ROAD
GoodOver: SINKING CREEK
6.86 S SR NO 2, Lincoln, WA
Built 1973 Load: 35.0 t ADT: 112
NO DATA ENTERED
GoodOver: YELLOWJACKET CREEK
NO DATA ENTERED, Skamania, WA
Built 2010 Load: 35.0 t ADT: 15
NB US 395
GoodOver: FARWELL RD
8.9 N JCT I-90, Spokane, WA
Built 2006 Load: 35.0 t ADT: 3,581
S-PLUM RAMP
GoodOver: EASTSIDE ST SE
1.2 N JCT US 101, Thurston, WA
Built 1957 Load: 35.0 t ADT: 5,737
I-5
GoodOver: MCALLISTER CR
2.2 N JCT SR 510, Thurston, WA
Built 1968 Load: 35.0 t ADT: 2,132
MIDDLE VALLEY ROAD
GoodOver: SKAMOKAWA CREEK
0.2 N E. VALLEY RD, Wahkiakum, WA
Built 1960 Load: 35.0 t ADT: 469
Rose Street
GoodOver: Mill Creek
Rose St. and Mill Creek, Walla Walla, WA
Built 2021 Load: 35.0 t ADT: 10,500
NO DATA ENTERED
GoodOver: BEAVER CREEK
NO DATA ENTERED, Whatcom, WA
Built 2010 Load: 35.0 t ADT: 50
NO DATA ENTERED
GoodOver: ANDERSON CREEK
NO DATA ENTERED, Whatcom, WA
Built 2014 Load: 35.0 t ADT: 50
MEYERS RD N IRRIG
GoodOver: SLOUGH
00.78 N OF FRALEY, Yakima, WA
Built 1980 Load: 35.0 t ADT: 6,903
NO DATA ENTERED
GoodOver: VAST CREEK
NO DATA ENTERED, Clallam, WA
Built 1978 Load: 35.1 t ADT: 30
VAN MARTER ST
GoodOver: Lind Coulee
0.1 MI S JCT SR 21, Adams, WA
Built 2007 Load: 35.3 t ADT: 392
STEPTOE DRIVE
GoodOver: CID CANAL
0.7 mi North of Gage Blvd, Benton, WA
Built 1999 Load: 35.3 t ADT: 10,700
DAYTON STREET
GoodOver: CID CANAL
.04 S JCT 1ST AVE, Benton, WA
Built 2014 Load: 35.3 t ADT: 5,000
SR 285
GoodOver: PENNY RD
2.0 N JCT SR 285COWENTCH, Chelan, WA
Built 1996 Load: 35.3 t ADT: 26,171
NE 10TH AVE
GoodOver: WHIPPLE CREEK
0.6 N NE 146TH, Clark, WA
Built 2018 Load: 35.3 t ADT: 950
Pacific Avenue N.
GoodOver: BNSF railroad
1.15 SW I-5 Exit 42, Cowlitz, WA
Built 2023 Load: 35.3 t ADT: 1,300
SR 99 OFF RAMP
GoodOver: RAMP AND TERRAIN
4.3 N JCT SR 509, King, WA
Built 2019 Load: 35.3 t ADT: 13,058
W Lk Sam Pkwy SE
GoodOver: Tibbetts Creek
NW Sam at State Park Ent, King, WA
Built 2001 Load: 35.3 t ADT: 12,000
244TH AVE NE
GoodOver: WETLAND
0.3 MI S OF NE 8TH ST, King, WA
Built 2010 Load: 35.3 t ADT: 2,700
RIDGETOP BLVD NW
GoodOver: CLEAR CREEK
0.2 E SILVERDALE WAY NW, Kitsap, WA
Built 1989 Load: 35.3 t ADT: 10,894
4600000
GoodOver: LAVA CREEK
7.39 MILES DOWN #46RD, Lewis, WA
Built 2020 Load: 35.3 t ADT: 50
TELECKY ROAD
GoodOver: CRAB CREEK
2.51 W SR 231, Lincoln, WA
Built 1982 Load: 35.3 t ADT: 40
SR 105
GoodOver: NORRIS SLOUGH
16.5 N JCT US 101, Pacific, WA
Built 2011 Load: 35.3 t ADT: 1,095
SR 167
GoodOver: CLARK'S CREEK
3.7 N JCT I-5, Pierce, WA
Built 1970 Load: 35.3 t ADT: 26,846
SR 22
GoodOver: TOPPENISH CREEK
1.7 E JCT SR 223, Yakima, WA
Built 1976 Load: 35.3 t ADT: 1,624
US 101
GoodOver: DUNGENESS RIVER
16.0 E JCT SR 117, Clallam, WA
Built 1989 Load: 35.4 t ADT: 27,141
SR 113
GoodOver: COLD CREEK
3.3 N JCT US 101, Clallam, WA
Built 1962 Load: 35.4 t ADT: 1,420
I-205
GoodOver: ST JOHNS RD
3.4 N JCT SR 500, Clark, WA
Built 1973 Load: 35.4 t ADT: 37,053
SR 14
GoodOver: 164TH AVE
2.5 E JCT I-205, Clark, WA
Built 1996 Load: 35.4 t ADT: 48,321
ROAD
GoodOver: TUCANNON RIVER
NO DATA ENTERED, Columbia, WA
Built 1988 Load: 35.4 t ADT: 103
I-182
GoodOver: N 4TH AVE
1.5 E JCT US 395, Franklin, WA
Built 1968 Load: 35.4 t ADT: 28,530
R RD NW
GoodOver: IRRIGATION LATERAL
R NW 0.1 North of 7 NW, Grant, WA
Built 1951 Load: 35.4 t ADT: 158
NO DATA ENTERED
GoodOver: E FK BIG CREEK
NO DATA ENTERED, Grays Harbor, WA
Built 1976 Load: 35.4 t ADT: 10
WISHKAH ROAD
GoodOver: ELLISON DIP
03.9 N ABERDEEN, Grays Harbor, WA
Built 1986 Load: 35.4 t ADT: 1,651
WEST WISHKAH ROAD
GoodOver: WISHKAH RIVER
'0.5 N JCT 5207', Grays Harbor, WA
Built 1989 Load: 35.4 t ADT: 143
SOUTH SHORE ROAD
GoodOver: BUNCH CREEK
12.4 MI. NE OF JCT. HWY., Jefferson, WA
Built 1981 Load: 35.4 t ADT: 200
I-405
GoodOver: TERRAIN
8.7 N JCT SR 520, King, WA
Built 1968 Load: 35.4 t ADT: 10,673
SR 203
GoodOver: SLOUGH
16.4 N JCT SR 202, King, WA
Built 1984 Load: 35.4 t ADT: 10,190
SR 169
GoodOver: CEDAR RIVER
3.6 N JCT SR 516, King, WA
Built 1991 Load: 35.4 t ADT: 21,491
SR 520 E-N RAMP
GoodOver: NORTHUP WAY
JCT I-405, King, WA
Built 1993 Load: 35.4 t ADT: 8,270
ROAD # 50
GoodOver: EAST CREEK
0.3 MI N 50/54 JCT, King, WA
Built 1995 Load: 35.4 t ADT: 33
WAYNITA DRIVE NE
GoodOver: SAMMAMISH RIVER
0.3 S SR 522, King, WA
Built 1947 Load: 35.4 t ADT: 11,484
SR 308
GoodOver: DOGFISH BAY
3.1 E JCT SR 3, Kitsap, WA
Built 1981 Load: 35.4 t ADT: 4,397
SR 506
GoodOver: STILLWATER CR
3.7 E COWLITZ CO, Lewis, WA
Built 1963 Load: 35.4 t ADT: 972
SR 505
GoodOver: MILL CREEK
1.3 E JCT I-5, Lewis, WA
Built 1984 Load: 35.4 t ADT: 3,690
Showing 6,501-6,550 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 |