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: NOOKSACK R OVERFLOW
2.6 N JCT SR 544, Whatcom, WA
Over: COWICHE CREEK, N. FORK
00.36 E ELLIOT ROAD, Yakima, WA
Over: EAST LOW CANAL EL 20 LAT
NR MOSES LAKE, WA, Grant, WA
Over: PORTAGE BAY
0.3 E JCT I-5, King, WA
Over: FRONT ST N
1.3 E JCT SR 900, King, WA
Over: MCSORLEY CREEK
0.1 MI S.OF S 250TH, King, WA
Over: SLIDE AREA
5.0 E JCT SR 123, Lewis, WA
Over: THEA FOSS WATRWAY & D ST
0.1 N JCT I-705, Pierce, WA
Over: RAILROAD
3.8 N JCT SR 527, Snohomish, WA
Over: UPRR TRACKS
1.0 E CHENEY-SPOK, Spokane, WA
Over: IRRIGATION CANAL
00.48 W PLANK ROAD, Yakima, WA
Over: BUMPING RIVER
00.34 E OF MP 10, Yakima, WA
Over: MARION DRAIN
00.01 N MARIONDRAIN, Yakima, WA
Over: STILLWATER CREEK
0.97 W SR 506 (MP 0.86), Cowlitz, WA
Over: WEST CANAL
I SW .7 North of 11, Grant, WA
Over: LAKE UNION
7.7 N JCT SR 509, King, WA
Over: RAVINE
1660 E BOSTON TERRACE, King, WA
Over: DRAINAGE
COUNTRY HOMES, Spokane, WA
Over: SUMAS RIVER
00.2 W OAT COLES RD, Whatcom, WA
Over: MORGAN CREEK
0.2 S JCT NE174 ST, Clark, WA
Over: GREEN RIVER
4.0 MI E OF SR-169, King, WA
Over: TOWN DITCH
00.24 SOUTH HELENA STREET, Kittitas, WA
Over: WILSON CREEK
5.93 SW SR 21, Lincoln, WA
Over: 52ND AVE W
2.3 N JCT SR 104, Snohomish, WA
Over: NP RY
10.4 N JCT SR 164, King, WA
Over: COTTAGE LAKE CREEK
0.1 MI W OF AVONDALE RD, King, WA
Over: HILINE CANAL
00.03 S GOLF COURSE, Kittitas, WA
Over: ROCK CREEK
0.04 W SR 231, Lincoln, WA
Over: TAMARACK CREEK
1.80 SW SR 231, Lincoln, WA
Over: METHOW RIVER
18.9 N JCT US 97, Okanogan, WA
Over: SIMILKAMEEN RIVER
.NESWS28T40NR27E, Okanogan, WA
Over: CHAMBERS CREEK
1.0 SO JCT 64 ST W, Pierce, WA
Over: LITTLE SPOKANE RIVER
1.1 MI E OF US 2, Spokane, WA
Over: CREEK
00.09 N HARTFORD RD, Yakima, WA
Over: WEST CANAL
West Canal Lateral 35.9D,, Grant, WA
Over: INTERMITTENT STREAM
2.11 MI N of Hiller Rd., Adams, WA
Over: INTERMITTENT STREAM
00.24 MI N DANEKAS RD, Adams, WA
Over: SAND DITCH
00.05 EAST OF SR260, Adams, WA
Over: ASOTIN CREEK
0.0 E FAS RT F021, Asotin, WA
Over: ICICLE DITCH SPILLWAY
16.3 E JCT SR 207, Chelan, WA
Over: MILL CREEK
0.2S NE219ST(SR502, Clark, WA
Over: ARKANSAS CREEK
0.02 S DELAMETER RD (0.17, Cowlitz, WA
Over: EAST DEER CR
17.1 N JCT SR 20, Ferry, WA
Over: LITTLE BOULDER CR
21.8 N JCT SR 20, Ferry, WA
Over: ROCKY COULEE
6 NE 0.1 W of W NE, Grant, WA
Over: CON-NA-WAI CREEK
X NE 0.04 N of 26 NE, Grant, WA
Over: WEST FORK WILDCAT CREEK
4.1 NE JCT SR 8, Grays Harbor, WA
Over: 224TH AVE NW & TRAIL
1.0 E JCT SR 900, King, WA
Over: WESTSIDE DITCH
00.10 N THORP CEM R, Kittitas, WA
Over: YAKIMA RIVER
00.30 SW I-90, Kittitas, WA
Showing 1,451-1,500 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). 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.