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: FRIDAY CREEK
0.45 N JCT OLD HWY 99 N, Skagit, WA
Over: BIG DITCH
0.02 E JCT SR 530, Skagit, WA
Over: RED CREEK
1.1 N JCT SR 20, Skagit, WA
Over: CAT CREEK
T10N, R9E, SEC12, NE 1/4, Skamania, WA
Over: PORTAGE CREEK
1.9 N JCT SR 531, Snohomish, WA
Over: FLORENCE RD BNSF RR
2.1 E SNOHOMISH CO, Snohomish, WA
Over: W-N RAMP EVERETT AVE
JCT I-5, Snohomish, WA
Over: DETENTION VAULT
0.4 N JCT SR 524, Snohomish, WA
Over: PURDY CREEK
6.8 SE JCT SR 92, Snohomish, WA
Over: TWENTYTWO CREEK
12.8 E JCT SR 92, Snohomish, WA
Over: PILCHUCK RIVER
4.0 N JCT SR2, Snohomish, WA
Over: SWAMP CREEK
1.0 W JCT I-5, Snohomish, WA
Over: RATTLER RUN CR UPRR
11.9 N WHITMAN CO, Spokane, WA
Over: CITY STREET (4TH AVE)
1.2 E JCT US 195, Spokane, WA
Over: CHAMOKANE RIVER
60 M SW INT HWY231/BIA100, Stevens, WA
Over: PRAIRIE CREEK
0.8 m NW Old Hwy 99, Thurston, WA
Over: WOODARD BAY
0.6 m E Libby Rd, Thurston, WA
Over: BLACK RIVER
1. N JCT SR12, Thurston, WA
Over: DESCHUTES RIVER
100 ft W Vail Loop Rd, Thurston, WA
Over: MAPLE CREEK
3.3 E JCT SR 547, Whatcom, WA
Over: FISHTRAP CREEK
0.3 E SR539, Whatcom, WA
Over: WHATCOM CREEK
GRAND & WHATCOM CRK, Whatcom, WA
Over: COTTONWOOD CREEK
5.08 MI NE PNE CTY-MALDEN, Whitman, WA
Over: DUFFIELD CREEK
0.90 MI N SR 272, Whitman, WA
Over: S FORK PALOUSE RIVER
0.1 N JCT SR 270, Whitman, WA
Over: OVERFLOW CHANNEL
0.6 E JCT US 12, Yakima, WA
Over: NP RY
3.4 N JCT SR 22, Yakima, WA
Over: BN RR & DRAIN CANAL
0.5 E JCT SR 223, Yakima, WA
Over: SULPHER CREEK WASTEWAY
5.2 N JCT SR 22, Yakima, WA
Over: SITDOWN CREEK
26.9 KM NW OF SUB-AGENCY, Ferry, WA
Over: DRAINAGE BASIN
EAST OF OAK HARBOR, Island, WA
Over: DRY WASH
01.44 MI N TOKIO RD, Adams, WA
Over: MAD RIVER
544' SO. OF MAD RIVER RD., Chelan, WA
Over: BERNARD CR
4.4 N JCT SR 109, Grays Harbor, WA
Over: SAMISH RIVER, PVT RD
2.9 N JCT SR 11, Skagit, WA
Over: NORTH FORK ROCK CREEK
02.0 E ROCKFORD, Spokane, WA
Over: ROZA CANAL
0.60 N HANKS RD, Benton, WA
Over: PORTAGE BAY
0.8 E JCT I-5, King, WA
Over: P9 CHANNEL/PANTHER CREEK
0.6 MI S OF I-405, King, WA
Over: COAL CREEK
0.5 E JCT SR 906, Kittitas, WA
Over: REESER CREEK
1.4 E JCT US 97, Kittitas, WA
Over: REESER CREEK
1.4 E JCT US 97, Kittitas, WA
Over: OKANOGAN RIVER
.NWSES34T31NR25E, Okanogan, WA
Over: SPOKANE RIVER
0.25 N 1-90, Spokane, WA
Over: NISQUALLY OVERFLOW-SOUTH
2.7 N JCT SR 510, Thurston, WA
Over: ROCK CR
5.4 N JCT SR 503 SPUR, Cowlitz, WA
Over: N FK BR WYNOOCHEE RIVER
NO DATA ENTERED, Grays Harbor, WA
Over: ZIEGLER CREEK
0.2 S JCT 9340, Grays Harbor, WA
Over: WILLIAMS CREEK
01.2 W JCT 9641, Grays Harbor, WA
Over: SALMON RIVER
1.4 MI. S. OF JCT. HWY. 1, Jefferson, WA
Showing 3,701-3,750 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.