Washington County, OR
326 public highway bridges
Washington County Bridge Snapshot
According to the Federal Highway Administration's 2024 National Bridge Inventory, Washington County, Oregon contains 326 public highway bridges. Roughly 34% are rated “Good,” 47.5% “Fair,” and 2.1% “Poor.” Poor means the lowest applicable deck, superstructure, substructure, or culvert rating is 4 or below on the 0–9 NBI scale. It is a condition category, not a live safety or closure decision.
Responsible agencies inspect covered bridges on risk-based intervals under current NBIS rules and submit inventory data to FHWA annually. The list below shows every NBI-tracked bridge in the county. Use the “Sort by” controls to change the ordering, and click any row for its reported inspection date, traffic count, and condition fields.
Source: FHWA National Bridge Inventory. See methodology for full definitions.
Condition Distribution
All Bridges (326)
SW MURRAY BLVD
FairOver: SUMMER CREEK
.25 MI S OF SCHOLLS FERY, Washington, OR
US 26 (HWY 047) EB
FairOver: PNWR & VADIS
17.0 MI W PORTLAND SWCL, Washington, OR
CORNELIUS PASS RD
FairOver: ROCK CREEK
003 MI N R/R UNDERPASS, Washington, OR
CEDAR CANYON ROAD
FairOver: WEST FORK DAIRY CREEK
0072 W HWY 47, Washington, OR
197TH AVE
FairOver: BEAVERTON CREEK
001 MI S BASELINE RD, Washington, OR
US 26 (Hwy 047)
FairOver: Light Rail Transit
.3 M W OF HWY 144, Washington, OR
BASELINE RD
FairOver: BEAVERTON CREEK
0065 MI W 185TH AVE, Washington, OR
RODERICK ROAD
FairOver: GALES CREEK
001 MI W GALES CREEK ROAD, Washington, OR
US 26 (Hwy 047) EB
FairOver: East Fork Dairy Creek
20.0 MI W OF PORTLAND CC, Washington, OR
HORNECKER ROAD
FairOver: MCKAY CREEK
005 E PADGETT ROAD, Washington, OR
SW SPRING HILL RD
FairOver: TUALATIN RIVER OVERFLOW
002 MI S R/R X-ING, Washington, OR
WEST UNION ROAD
FairOver: ROCK CREEK
0041 MI W 185TH AVENUE, Washington, OR
US 26 (Hwy 047) EB
FairOver: Bledsoe Creek
20.0 MI W OF PORTLAND CC, Washington, OR
GOLF COURSE ROAD
FairOver: TUALATIN RIVER OVERFLOW
010 MI S HWY 8, Washington, OR
VERNONIA RD
FairOver: NEHALEM RIVER
002 MI N SUNSET HWY, Washington, OR
HWY 144AP
FairOver: ALLEN BLVD
0.3 MI S OF CABOT ST, Washington, OR
HWY 144AR
FairOver: ALLEN BLVD
0.3 MI S OF CABOT ST, Washington, OR
MEACHAM ROAD
FairOver: E FORK DAIRY CREEK
002 MI W DAIRY CREEK ROAD, Washington, OR
NW SHADYBROOK ROAD
FairOver: MCKAY CREEK
027 MI NE OF NORTH PLAINS, Washington, OR
SW BUTNER ROAD
FairOver: CEDAR MILL CREEK
0107 MI E MURRAY BLVD, Washington, OR
SW SEIFFERT RD
FairOver: HEATON CREEK
0.5 MI SOUTH HWY 219, Washington, OR
114TH Ave
FairOver: Beaverton Creek
114TH Ave, Washington, OR
RITCHEY ROAD
FairOver: GALES CREEK
012 MI E STRINGTOWN RD, Washington, OR
OR 217 (HWY 144)
FairOver: ASHBROOK CREEK
0.8 MI N OF HWY 1W, Washington, OR
NW DAIRY CREEK RD
FairOver: E FORK DAIRY CREEK
006 MI N MOUNTAINDALE RD, Washington, OR
OR 47 (Hwy 102)
FairOver: Dairy Creek Overflow
1.0 MI N BANKS, Washington, OR
SW 135th Avenue
FairOver: Summer Creek
0.2 mi S of Scholls Fy Rd, Washington, OR
NE Airport Rd
FairOver: Dawson Cr
009 MI EAST OF 264TH AVE, Washington, OR
DENNEY RD ACCESS N
FairOver: FANNO CREEK
001 N OF DENNEY RD, Washington, OR
DENNEY RD ACCESS S
FairOver: FANNO CREEK
001 S OF DENNEY RD, Washington, OR
VERNONIA RD
FairOver: ROBINSON CREEK
1.4 NO. HWY 26/CO. 9 JCT, Washington, OR
HARRINGTON ROAD
FairOver: E FK DAIRY CREEK
008 MI E ROY ROAD, Washington, OR
COCHRAN RD
FairOver: NEHALEM RIVER
016 MI W TIMBER RD, Washington, OR
HARRINGTON ROAD
FairOver: BLEDSOE CREEK
010 MILE EAST OF ROY, Washington, OR
US 26 (HWY 047)
FairOver: West Fork Dairy Creek
7.1 MI W HWY 37 JCT, Washington, OR
SW MURRAY BLVD
FairOver: CEDAR MILL CREEK
1 MI S/O HWY #26, Washington, OR
US 26 (HWY 047)
FairOver: Ghost Creek
17.3 MI W OF Portland CC, Washington, OR
BROOKWOOD AVE
FairOver: TRI MET LIGHT RAIL TRACK
2.2 MI N TV HWY., Washington, OR
S W BONITA ROAD
FairOver: FANNO CREEK
005 MI WEST INTERSTATE 5, Washington, OR
SCHOLLS FERRY RD
FairOver: FANNO CREEK
020 MI SE BEAVERTON CC, Washington, OR
I-5 (HWY 001) SB
FairOver: BEAVER DAM CREEK
0.5 MI S OF TUALATIN R., Washington, OR
HWY 141
FairOver: TUALATIN RIVER
4.0 MI N OF HWY 1, Washington, OR
OR 6 (Hwy 037)
FairOver: South Fork Gales Creek
120 MI W OF HWY 47 JCT, Washington, OR
TIMBER ROAD
FairOver: BEAVER CREEK
NORTH OF GLENWOOD, Washington, OR
NORTHRUP ROAD
FairOver: MCKAY CREEK
006 MI W DIXIE MOUNTAIN, Washington, OR
RIVER RD
FairOver: ROCK CREEK
00.1 EAST ROOD BR ROAD, Washington, OR
TIMBER ROAD
FairOver: BEAVER CREEK
NORTH OF GLENWOOD, Washington, OR
209TH AVE
FairOver: BUTTERNUT CREEK
0.6 mi W of Br.671214, Washington, OR
ROY ROGERS RD.
FairOver: CHICKEN CREEK
005 MI NW HWY 99, Washington, OR
HWY 140
FairOver: CAMPBELLS CREEK
AT HWY 142 JCT, Washington, OR
Read our methodology - how this data is sourced, computed, and verified.
Related
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.