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: CALAWAH RIVER
7.8 N JEFFERSON CO, Clallam, WA
Over: BEAR CREEK
NO DATA ENTERED, Clallam, WA
Over: SOL DUC RIVER
12.5 MI. SE OF JCT. HWY., Clallam, WA
Over: ELM ST
8.8 N JCT SR 503, Cowlitz, WA
Over: DEADMAN CREEK
1.6 E JCT SR 127, Garfield, WA
Over: IRRIGATION LATERAL
0.8S 13SE, Grant, WA
Over: IRRIGATION LATERAL
9 NW .01 W of S, Grant, WA
Over: IRRIGATION LAT.
R NW 0.9 N of 12 NW, Grant, WA
Over: WASTEWAY
12 NW .1 West of R, Grant, WA
Over: W FK HUMPTULIPS RIVER
NO DATA ENTERED, Grays Harbor, WA
Over: LAKE SYLVIA
LAKE SYLVIA STATE PARK, Grays Harbor, WA
Over: POSSESSION SOUND
1.9 N JCT SR 526, Island, WA
Over: MCDONALD CR
27.2 S JCT SR 104, Jefferson, WA
Over: CREEK
3.0 N JCT SR 202, King, WA
Over: PUGET SOUND
N END VASHON ISLAND, King, WA
Over: S FK SNOQUALMIE RIVER
0.1 MI W OF 58/5830 JCT, King, WA
Over: MCALEER CREEK
0.12 MI SE OF SR-522, King, WA
Over: MCALEER CREEK
0.22 MI SE OF SR-522, King, WA
Over: SCHMITZ BLVD, RAVINE
5500 SW Admiral Way, King, WA
Over: NE CAMPUS PARKWAY
4100 Roosevelt Way NE, King, WA
Over: THORNTON CREEK
45th Ave NE & NE 97th St, King, WA
Over: PORT WASHINGTON NARROWS
0.9 N JCT SR 304, Kitsap, WA
Over: MIDDLE FORK TEANAWAY
NO DATA ENTERED, Kittitas, WA
Over: DRY CREEK
00.06 E SR 97, Kittitas, WA
Over: WHITE SALMON R
4.0 N JCT SR 141 SPUR, Klickitat, WA
Over: WEST PRONG LITTLE KLICK.
0.2 W SR 97, Klickitat, WA
Over: BUNKER CREEK
3.0 NW ADNA, Lewis, WA
Over: COAL CREEK
1.8 E CHEHALIS, Lewis, WA
Over: NEWAUKUM RIVER
0.83 SE JCT SR 6, Lewis, WA
Over: RAVINE
12.2 miles west of jct. U, Lewis, WA
Over: CRANBERRY CREEK
8.6 N JCT US 101, Mason, WA
Over: WAKETICKEH CREEK
3.9 S JEFFERSON CO, Mason, WA
Over: HAMMA HAMMA RIVER
NO DATA ENTERED, Mason, WA
Over: NORTH FK GOLD CREEK
NO DATA ENTERED, Okanogan, WA
Over: SLATE CREEK
21.1 N JCT SR 20, Pend Oreille, WA
Over: KAPOWSIN CREEK
10.7 NE JCT SR 161, Pierce, WA
Over: EDITH CREEK
18.0 miles northeast of N, Pierce, WA
Over: GEE CREEK
NO DATA ENTERED, Skagit, WA
Over: CASCADE RIVER
NO DATA ENTERED, Skagit, WA
Over: CISPUS RIVER
20 MILES SOUTH-EAST OF JC, Skamania, WA
Over: STILLAGUAMISH RIVER
0.7 N JCT SR 530, Snohomish, WA
Over: WOODS CREEK
0.4 E JCT SR 203, Snohomish, WA
Over: WOODS CREEK
8.1 NE JCT SR 2, Snohomish, WA
Over: EBEY SLOUGH
2.6 S JCT SR 2, Snohomish, WA
Over: COAL CREEK
24.0 E JCT SR 92, Snohomish, WA
Over: TRIB. SNOQUALMIE RIVER
2.9 N KING CO LINE, Snohomish, WA
Over: WEST FORK WOODS CREEK
3.5 NE JCT SR 2, Snohomish, WA
Over: STURGEON CREEK
0.8 NW JCT I-5, Snohomish, WA
Over: NEWMAN LAKE OUTLET
STARR RD. 02.0 N. MOAB, Spokane, WA
Over: UNION PACIFIC RR
1.1 S TRENT ROAD, Spokane, WA
Showing 2,451-2,500 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 |