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: CHICO CREEK
0.2 S JCT SEABECK HWY NW, Kitsap, WA
Over: CHICO CREEK
0.1 E JCT CHICO WAY NW, Kitsap, WA
Over: WEAVER CREEK
0.69 W JCT SR101, Mason, WA
Over: Great Bend Creek
13.3 M JCT SR 300, Mason, WA
Over: MUCK CREEK
5.0 N JCT SR 702, Pierce, WA
Over: PUYALLUP RIVER
4.4 E JCT SR 410, Pierce, WA
Over: POSSESSION SOUND
1.9 N JCT SR 526, Snohomish, WA
Over: NOOKSACK SLOUGH
0.04 MI. W. OF GILLIES RD, Whatcom, WA
Over: FOUR MILE CREEK
8.7 N JCT SR 270, Whitman, WA
Over: CRAB CREEK SIPHON NO. 1
Crab Ck Siphon No. 1 Inle, Grant, WA
Over: East Low Canal - Crab Ck
Crab Ck Siphon No.1 Outle, Grant, WA
Over: East Low Canal - Brkn Rk
Broken Rock Siphon No.1 I, Grant, WA
Over: BOULDER CREEK
10.3 MI N OF HWY 2, Snohomish, WA
Over: FOSTER CREEK
0.25E JCT. 17 173, Douglas, WA
Over: W SNOQUALMIE IC
1.7 E JCT SR 18, King, WA
Over: LAKE WASHINGTON
2.9 E JCT SR 513, King, WA
Over: TALAPUS CR TRIBUTARY
15.7 E JCT SR 202, King, WA
Over: THORTON CREEK
0.5 MILE EAST OF SR 522, King, WA
Over: COAL CREEK
24.3 E JCT SR 21, Lincoln, WA
Over: WB LeClerc Creek
4mile n/o LeClerc Crk Rd, Pend Oreille, WA
Over: TERRAIN
7.7 N THURSTON CO, Pierce, WA
Over: TOUTLE RIVER
11.0 E JCT I-5, Cowlitz, WA
Over: EAST FORK WILDCAT CREEK
0.3 E JCT SR 108, Grays Harbor, WA
Over: MERRIMAN CREEK
6.6 E JCT SR 101, Grays Harbor, WA
Over: S FK SNOQUALMIE RIVER
1.3 E JCT SR 202, King, WA
Over: S FK SNOQUALMIE RIVER
1.3 E JCT SR 202, King, WA
Over: Sound Transit Railroad
0.3 E JCT I-5, King, WA
Over: JENKINS CREEK
0.2 N SR 18, King, WA
Over: DRAINAGE DITCH
0.3 MI W OF SR-203, King, WA
Over: DILLENBAUGH CREEK
3.8 N JCT SR 508, Lewis, WA
Over: CURTIS CREEK
3.8 SW WINLOCK, Lewis, WA
Over: SKOBOB CREEK
0.8 E JCT US 101, Mason, WA
Over: TWISP R
38.8 E CHELAN CO, Okanogan, WA
Over: 6TH AVE
3.5 N JCT I-5, Pierce, WA
Over: S TACOMA WAY/STRR/CENTER
0.1 N JCT I-5, Pierce, WA
Over: SILVER CREEK
13.4 E KING CO, Pierce, WA
Over: MEADOW CREEK
2.8 E ISLAND CO, Skagit, WA
Over: EBEY ISLAND
0.8 E JCT I-5, Snohomish, WA
Over: OLNEY CREEK
11.1 NE JCT SR 2, Snohomish, WA
Over: FARWELL RD
8.9 N JCT I-90, Spokane, WA
Over: BNSF RR
4.6 N JCT I-90, Spokane, WA
Over: SLOUGH
.19 m SW of Nisqually Cut, Thurston, WA
Over: UPRR
5.3 E JCT US 12, Walla Walla, WA
Over: YELLOWHAWK CREEK
0.19 E of HOWARD ST, Walla Walla, WA
Over: SMITH CREEK
1.3 E JCT SR 9, Whatcom, WA
Over: NOOKSACK R OVERFLOW
1.7 N JCT SR 544, Whatcom, WA
Over: JOHNSON CREEK
00.4 W NOOKSACK RD., Whatcom, WA
Over: TIETON RIVER
26.0 E LEWIS CO, Yakima, WA
Over: DRY CREEK
15.5 N JCT I-82, Yakima, WA
Over: TOUCHET RIVER
NO DATA ENTERED, Columbia, WA
Showing 7,351-7,400 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.