Total Bridges
8,808
Public highway bridges in Washington
State profile · Below national median SD
Condition ratings, load ratings, and structural-deficiency data for every public highway bridge in Washington — drawn straight from the FHWA National Bridge Inventory.
Total Bridges
8,808
Public highway bridges in Washington
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%
Share of bridges rated 7-9 on the FHWA 0-9 scale (deck, superstructure, substructure all good).
Lower is better. Bar maxes at 30% (worst-state ceiling). National average sits at 7.0%.
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
05
53
18
20
Six lowest-condition bridges in Washington, ranked by composite NBI rating. Each is inspected at least every 24 months.
Over: NINE MILE CREEK
19.05 E SR 21, Ferry, WA
Over: MILL CREEK
4TH AND MILL CR, Walla Walla, WA
Over: WEST BRANCH LECLERC CREE
NO DATA ENTERED, Pend Oreille, WA
Over: DRAIN
00.26 NO CHAMBERS, Yakima, WA
Over: JORDAN CREEK
1.44 E JCT HILAND ORCH RD, Douglas, WA
Over: ROZA ID WASTEWAY NO 3
NR PARKER HEIGHTS, WA, Yakima, WA
Over: OMAK CREEK
0.77 mi S. Jct. SR155, Okanogan, WA
Over: Windchester Creek
6 miles w of HWY 20, Pend Oreille, WA
Over: SOATON CREEK
2.9 N JCT SR 410, Pierce, WA
Over: Port Access Road
1.9 N JCT I-705, Pierce, WA
Over: MADDOX CREEK
NORTH OF BLACKBURN, Skagit, WA
Over: KANAKA CREEK
0.2 E COLUMBIA ST., Skamania, WA
Over: WILDLIFE CROSSING
7.9 E JCT SR 9, Snohomish, WA
Over: CHURCH CREEK
3.2 E SNOHOMISH CO, Snohomish, WA
Over: Un-named wetland
1.6 E SR 527, Snohomish, WA
Over: WOODS LAKE CREEK
4.7 NE JCT SR2, Snohomish, WA
Over: BEN GARNETT WAY
0.48 S OF I-90, Spokane, WA
Over: SPANGLE CREEK
0.2 N SPANGLE CR RD, Spokane, WA
Over: OCHLARE CREEK
3.0 MI S. FREEMAN, Spokane, WA
Over: Garfield
43rd Ave, Spokane, WA
Over: MUDD CREEK
1.3 W OF LOWDEN RD, Walla Walla, WA
Over: REBEL FLAT CREEK
1.00 MI S DUNCAN SPRINGS, Whitman, WA
Over: REBEL FLAT CREEK
0.7 MI SE SR 26, Whitman, WA
Over: WILDCAT CREEK
14.8 E LEWIS CO, Yakima, WA
Over: GLADE CREEK
00.14 S GLADE ROAD, Yakima, WA
Over: WAPATO CANAL
00.15 S LATERAL 1, Yakima, WA
Over: BEAR CREEK
NO DATA ENTERED, Clallam, WA
Over: NEWBURY CREEK
NO DATA ENTERED, Grays Harbor, WA
Over: NORTH FORK TOATS COULEE
NO DATA ENTERED, Okanogan, WA
Over: W BRANCH LECLERC 19.7
NO DATA ENTERED, Pend Oreille, WA
Over: SELAH SPRINGS
COORDINATES GS038745, Yakima, WA
Over: MAIN CANAL
MAIN CANAL 3.88, Grant, WA
Over: S. SITKUM
NO DATA ENTERED, Clallam, WA
Over: WHITTLE CREEK
0.63 W WSH (MP 0.90), Cowlitz, WA
Over: WEST CANAL
Frenchman Hills WW, 5 mi, Grant, WA
Over: East Low Canal
Weber Branch Siphon, Grant, WA
Over: East Low Canal
Weber Coulee Siphon Inlet, Grant, WA
Over: NICKEL CREEK
9.8 MILES WEST OF JCT. U., Lewis, WA
Over: WEST FORK SWIFT
NO DATA ENTERED, Skamania, WA
Over: PILCHUCK R. OVERFLOW
0.1 SW INT SR2, Snohomish, WA
Over: Private Road
Magnolia, Seattle, King, WA
Over: EAGLE CREEK
ROAD 70 OFF HWY 7, Lewis, WA
Over: PUYALLUP RIVER
0.2 N JCT I-5, Pierce, WA
Over: MILL CREEK
4TH AND MILL CR, Walla Walla, WA
Over: DRAIN
00.26 NO CHAMBERS, Yakima, WA
Over: JORDAN CREEK
1.44 E JCT HILAND ORCH RD, Douglas, WA
Over: ROZA ID WASTEWAY NO 3
NR PARKER HEIGHTS, WA, Yakima, WA
Over: SKYKOMISH RIVER-S FORK
0.1 MI S OF SR-2, King, WA
Over: PUYALLUP AVE NPRR
0.2 N JCT I-5 PORT, Pierce, WA
Over: THOMAS CREEK
1.4 N JCT COOK RD., Skagit, WA
Over: ANDERSON CR
00.2 E. ROBERTS RD, Whatcom, WA
Over: DRAIN
00.26 S SO TRACK RD, Yakima, WA
Over: MILL CREEK
5TH AND MILL CR, Walla Walla, WA
Over: GARRISON CR
0.006 S of HARRISON ST, Walla Walla, WA
Over: ROCKY COULEE WASTEWAY
NR MOSES LAKE,WA, Grant, WA
Over: LITTLE SPOKANE RIVER
CHATTAROY, Spokane, WA
Showing 8,351-8,400 of 8,808 bridges
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 |