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: FERN CREEK
16.8 E JCT US 101, Pacific, WA
Over: NORTH FORK WILLAPA RIVER
0.07 N JCT SR 6, Pacific, WA
Over: STEWART RD SE
3.6 N JCT SR 410, Pierce, WA
Over: CARBON RIVER
10.8 E JCT SR 410, Pierce, WA
Over: ALEC CREEK
16.3 MILES NE OF JCT. FS, Skamania, WA
Over: RR & CITY STREETS
2.8 N JCT SR 531, Snohomish, WA
Over: STREAM
25.2 E JCT SR 203, Snohomish, WA
Over: MARSHLAND FLOODWAY
1.4 W JCT SR 9, Snohomish, WA
Over: SAUK RIVER
0.7 NE JCT SR 530, Snohomish, WA
Over: LITTLE SPOKANE RIVER
RIVERSIDE PARK, Spokane, WA
Over: OVERFLOW CHANNEL
0.1 m SW of Prather Rd, Thurston, WA
Over: UNAMED CREEK
0.25 m W of Steamboat Rd, Thurston, WA
Over: SALMON CREEK
0.47 m S of 93rd Ave SW, Thurston, WA
Over: MILL CREEK
COLVILLE AND MILL CR, Walla Walla, WA
Over: SMITH CREEK
0.6 E JCT SR 9, Whatcom, WA
Over: JOHN WAYNE TRAIL
0.7 N JCT SR 271, Whitman, WA
Over: NACHES RIVER
0.3 N JCT US 12, Yakima, WA
Over: WCRR
0.4 N JCT I-82, Yakima, WA
Over: BEAR CREEK
TO CONRAD MEADOW, Yakima, WA
Over: YORK COULEE
00.60 MI N ROSENOFF, Adams, WA
Over: CID CANAL
00.02 E HARRINGTON, Benton, WA
Over: WHISKEY CREEK
1.6 MI S JCT 91060, Columbia, WA
Over: PATAHA CREEK
0.1 S US12 ON 12TH, Garfield, WA
Over: IRRIGATION LATERAL
J SW 0.7 North of 10 SW, Grant, WA
Over: BOULDER CREEK
46.3 N JCT SR 109, Grays Harbor, WA
Over: CEDAR CREEK
8.4 N Wishkah School, Grays Harbor, WA
Over: KILISUT HARBOR
4.6 E JCT SR 19, Jefferson, WA
Over: QUEETS RIVER
0.6N JCT SR101, Jefferson, WA
Over: NE RAMP OVER PED PATH
5.7 N JCT SR 900, King, WA
Over: SLIDE DEPRESSION
3.0 MI N OF I-90, King, WA
Over: Spokane Street
E Marginal and Spokane St, King, WA
Over: ISSAQUAH CREEK
0.3 MI N OF I-90, King, WA
Over: AVALANCHE RELIEF
3.3 E JCT SR 906, Kittitas, WA
Over: AVALANCHE RELIEF
3.3 E JCT SR 906, Kittitas, WA
Over: SWAUK CREEK
10.1 N JCT SR 970, Kittitas, WA
Over: HUCKLEBERRY CREEK
0.1 MI SW OF 73/7305 JCT, Pierce, WA
Over: WHITE RIVER
1.4 N JCT SR410, Pierce, WA
Over: FINNEY CREEK
4.6 W CONC SAUK VALLEY RD, Skagit, WA
Over: EAST CANYON CREEK
21.2 MILES SOUTH-EAST OF, Skamania, WA
Over: Kettle River
00.02 W JCT PierreLk rd, Stevens, WA
Over: WALLA WALLA RIVER
0.32 S SR 12, Walla Walla, WA
Over: REBEL FLAT CREEK
0.17 MI S ENDICOTT, Whitman, WA
Over: REBEL FLAT CREEK
0.21 MI SW ENDICOTT, Whitman, WA
Over: ALKALI FLAT CREEK
7.44 MI NE LITTLE GSE DAM, Whitman, WA
Over: Thorn Creek
0.02 MI N Thorn Creek, Whitman, WA
Over: THORN CREEK
12.27 MI NE PNE CTY-MALDN, Whitman, WA
Over: Nile Creek
1.75 SE SR-410, Yakima, WA
Over: Cowiche Creek
0.02 E of Danner Road, Yakima, WA
Over: COW CREEK
00.42 MI S SR26, Adams, WA
Over: CID CANAL
00.50 E NINE CANYON, Benton, WA
Showing 6,351-6,400 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). 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.