Total Bridges
8,808
Public highway bridges in Washington
State profile · Below median Poor share
Condition ratings, load ratings, and Poor-condition data for every public highway bridge in Washington, based on the FHWA National Bridge Inventory.
Data updated May 2026
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 whose lowest applicable component is rated 0-4
-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 by Poor-condition share (lower share = better)
States are ranked by the share of bridges whose lowest applicable component rating is 4 or below. This describes recorded condition; it does not measure funding effectiveness or live crossing safety. States here sit immediately above and below Washington on the same metric.
CA
AR
WA
IN
KS
Six lowest-condition bridges in Washington, ranked by the portal's composite display score. Inspection intervals are risk-based under current NBIS rules.
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: MILL CREEK WETLAND
0.2 MI W OF SR 169, King, WA
Over: BUTTER CREEK
2.83 N JCT US 12, Lewis, WA
Over: WEST VALLEY HWY
0.5 N JCT SR 410, Pierce, WA
Over: CORMORANT PASSAGE
KETRON ISLAND, Pierce, WA
Over: S.F.STILLAGUAMISH RIVER
21.6 E JCT SR 92, Snohomish, WA
Over: OVERFLOW CHANNEL
0.65 m E of Moon Rd, Thurston, WA
Over: SCATTER CREEK
.63 m N of 183rd, Thurston, WA
Over: MILL CREEK
0.070 S CHERRY ST, Walla Walla, WA
Over: WHATCOM CREEK
2.9 N JCT SR 11, Whatcom, WA
Over: BAGLEY CREEK
NO DATA ENTERED, Whatcom, WA
Over: WHATCOM CREEK
AT POST OFFICE, Whatcom, WA
Over: PAHA DRAINAGE DITCH
0.01 SE ELM AVE, Adams, WA
Over: COULEE CREEK
0.2 N SEVEN MI RD, Spokane, WA
Over: RAGING RIVER
6.8 MI E OF ISSA-HO, King, WA
Over: BOX CANYON CREEK #1
NO DATA ENTERED, Kittitas, WA
Over: S.FK. SNOQUALMIE RIVER
I90 EAST EXIT 47, King, WA
Over: STORM BRANCH
7.7 NE JCT US 101, Grays Harbor, WA
Over: STETATTLE CREEK
Diable Bunkhouse Entrance, King, WA
Over: DIABLO GORGE
Diablo Access Road, King, WA
Over: TEANAWAY RIVER
07.09 N US 970, Kittitas, WA
Over: S. FORK NEWAUKUM RIVER
0.3 S. ONALASKA, Lewis, WA
Over: KILBORN CR
8.0 E RANDAL, Lewis, WA
Over: UNION AVE
1.1 N JCT I-5, Pierce, WA
Over: 2ND AVE
0.2 E JCT I-90, Spokane, WA
Over: MUD BAY ROAD
0.2 N JCT US 101, Thurston, WA
Over: HENDRICKS CREEK
00.7 SE MTBAKER HWY, Whatcom, WA
Over: WENATCHEE RIVER
0.14W JCT US2 & 97, Chelan, WA
Over: COFFIN ROAD
9.9 E JCT US 395, Benton, WA
Over: DOCTOR CREEK
NO DATA ENTERED, Chelan, WA
Over: BNRR
0.13 W OF I-5 EXIT 48, Cowlitz, WA
Over: SHERMAN CREEK
NO DATA ENTERED, Ferry, WA
Over: PATAHA CR
2.0 E COLUMBIA CO, Garfield, WA
Over: MILITARY RD
4.4 N JCT SR 18, King, WA
Over: 195TH STREET
0.8 E JCT SR 202, King, WA
Over: S 170TH ST
1 MI S OF SR 518, King, WA
Over: COAL CR
1.5 E KING CO, Kittitas, WA
Over: CLOVER CREEK
.61 W JCT SR7, Pierce, WA
Over: HILL DITCH
2.1 N SNOHOMISH CO, Skagit, WA
Over: PILCHUCK CR
0.2 NE JCT SR9, Snohomish, WA
Over: WENATCHEE RIVER
00.0 DRYDEN MAIN ST, Chelan, WA
Over: UP RR
12.5 N JCT US 12, Columbia, WA
Over: WAHLUKE BRANCH CANAL
(White Bluffs Wasteway -, Grant, WA
Over: PATIT CREEK
1.5 MILES WEST OF SR12, Columbia, WA
Over: UNNAMED CREEK
1.1 MI W OF SR-18, King, WA
Over: Log Channel
0.4 mi N of W Hill St., Clallam, WA
Over: GENERATOR BYPASS CHUTE
17.5 N JCT SR 26, Grant, WA
Over: SBCD VIADUCT STA 2195
0.8 N JCT I-90, King, WA
Over: SKAGIT RIVER
Diablo Dam, King, WA
Over: NO. FORK GOLDSBOROUGH CK
0.23 E Dayton Airport rd, Mason, WA
Over: NISQUALLY OVERFLOW
0.6 N THURSTON CO, Pierce, WA
Showing 4,401-4,450 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). Poor condition is an inspection-record category, not a closure or unsafe-to-cross designation. Consult the bridge owner for current status.
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.