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: SUMAS RIVER
00.1 W CONCHMAN RD., Whatcom, WA
Over: IMBLER CREEK
0.12 MI SE SR 23, Whitman, WA
Over: USIS MAIN CANAL
00.06 S LATERAL '1', Yakima, WA
Over: SVID CANAL
00.35 S ARROWSMITH, Yakima, WA
Over: DRAIN
00.49 S BRANCH ROAD, Yakima, WA
Over: YAKIMA RIVER
JCT SR 224, Benton, WA
Over: MORGAN CREEK
0.8 S NE199 ST, Clark, WA
Over: W B 5 GG
0.02 S FERN 438, Franklin, WA
Over: P-E-41-2-C
0.74E JCT R 507, Franklin, WA
Over: KLICKITAT DR
5.0 N JCT SR 516, King, WA
Over: ISSAQUAH CK.
0.5 MI S OF I-90, King, WA
Over: WEYERHAEUSER CO HAUL RD
MUD MOUNTAIN DAM, WA, King, WA
Over: CHEHALIS R
3.4 E PACIFIC CO, Lewis, WA
Over: Pend Oreille River
0.3 m east of Hwy 31, Pend Oreille, WA
Over: SCHUSTER PKWY NB
1.0 N JCT SR 509, Pierce, WA
Over: RR AND CAMERON WAY
0.6 N JCT SR 536, Skagit, WA
Over: CASCADE DRIVE
16.1 E CLARK CO, Skamania, WA
Over: DAKOTA CR TRIB
00.5 S BEHME RD, Whatcom, WA
Over: DAKOTA CR
00.6 S BEHME RD, Whatcom, WA
Over: SUMAS RIVER
01.0 W GARRISON RD., Whatcom, WA
Over: TEN MILE CR
0.1 S OF LAUREL RD, Whatcom, WA
Over: ROCK CREEK
7.5 miles S of Lamont on, Whitman, WA
Over: INTERMITTENT STREAM
00.15 MI W WELLSANDT RD., Adams, WA
Over: COLBY CREEK
00.70 NJCT CRN11200, Clallam, WA
Over: E FORK LEWIS RIVER
0.1S LUCIA FALLS RD, Clark, WA
Over: GOBLE CREEK
5.65 E OLD 99 S (MP 1.06), Cowlitz, WA
Over: POTHOLES EAST CANAL
0.63W JCT R 901, Franklin, WA
Over: W B 3 B
1.47 S JCT SR 24, Franklin, WA
Over: POTHOLES EAST CANAL
2.67 W GLADE N 901, Franklin, WA
Over: MOX CHEHALIS CREEK
4.5 E JCT SR 8, Grays Harbor, WA
Over: DUCK LAKE
0.1 E DOLPHIN, Grays Harbor, WA
Over: PUGET SOUND @ PT VASHON
N END VASHON ISLAND, King, WA
Over: GARCIA INTERCHANGE
6.5 E JCT SR 202, King, WA
Over: SAMMAMISH RIVER
0.5 MI S OF SR 522, King, WA
Over: TOKUL CREEK
0.8 MI S OF SR-202, King, WA
Over: ADMIRAL WAY, AVALON WAY
FAUNTLEROY WAY & 35TH AVE, King, WA
Over: RAILROAD
W EMERSON PL & GILMAN AVE, King, WA
Over: N FORK ISSAQUAH CREEK
0.2 MI E OF HIGHLAND DR, King, WA
Over: TIBBETS CREEK
0.1 MI E OF SR-900, King, WA
Over: CANYON RD & BNSF RR
3.3 E JCT US 97, Kittitas, WA
Over: LMUMA CREEK
11.7 E JCT SR 821, Kittitas, WA
Over: GULCH
6.2 E JCT SR 123, Lewis, WA
Over: NEWAUKUM RIVER
0.10 N JCT 40028, Lewis, WA
Over: STILLWATER CREEK
2.0 W VADER, Lewis, WA
Over: Stearns Creek
2.3 West Napavine, Lewis, WA
Over: RAVINE
12.6 MILES WEST OF JCT. U, Lewis, WA
Over: MILL CREEK
4.72 E JCT SR 3, Mason, WA
Over: METHOW RIVER
22.1 E CHELAN CO, Okanogan, WA
Over: NORTH RIVER
00.0 PACIFIC CO LIN, Pacific, WA
Over: PUYALLUP RIVER
0.5 E JCT SR 410, Pierce, WA
Showing 1,751-1,800 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 |