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)
HWY 144AW
UnknownOver: HWY 144
2.8 MI NW TIGARD CC, Washington, OR
HWY 144AY
UnknownOver: HWY 144
2.8 MI NW TIGARD CC, Washington, OR
SW MURRAY BLVD SB
UnknownOver: BNRR & TERMAN ROAD
005 MI N HWY 8, Washington, OR
OLD TV HWY #47
FairOver: CARPENTER CREEK
007 MI S FOREST GROVE, Washington, OR
REIN ROAD
FairOver: CEDAR CREEK
010 MI SOUTH HWY 99, Washington, OR
US 26 (HWY 047)
FairOver: Nehalem River
15.6 MI W OF HWY 37 JCT, Washington, OR
Fern Flat Rd.
FairOver: Roundy Creek
3.18 Mile N Snooseville C, Washington, OR
170TH AVE
FairOver: BEAVERTON CREEK
0055 MI N HWY-8, Washington, OR
BOHMANN PARKWAY
FairOver: FANNO CREEK
002 MI EAST OF 92ND AVE, Washington, OR
NICOL RD
FairOver: FANNO CREEK
003 MI S SCHOLLS FERRY RD, Washington, OR
SW 229th AVE
FairOver: BUTTERNUT CREEK
008 MI N ROSEDALE ROAD, Washington, OR
Hwy 029
FairOver: Dairy Creek
2.9 MI E FOREST GROVE, Washington, OR
PADGETT ROAD
FairOver: OVERFLOW MCKAY CREEK
0085 W CONNELL ST, Washington, OR
LOMBARD EXTENSION
FairOver: BEAVERTON CREEK
001 NORTH OF CANYON ROAD, Washington, OR
I-5 (HWY 001) CON
FairOver: BEAVER DAM CREEK
0.4 MI S OF TUALATIN R., Washington, OR
185TH AVE
FairOver: BUTTERNUT CREEK
001 MI W MADELINE STREET, Washington, OR
FERN FLAT ROAD
FairOver: EAST FORK DAIRY CREEK
013 MI N GREENER ROAD, Washington, OR
SW 86TH AVE
FairOver: FANNO CREEK
002 MI S SCHOLLS FERRY RD, Washington, OR
EVERS ROAD
FairOver: W.FK.DAIRY CR. O'FLOW
009 MI S REILING ROAD, Washington, OR
HWY 91 SB
FairOver: TUALATIN RIVER
0.5 MI S OF KING CITY CC, Washington, OR
OR 6 (Hwy 037)
FairOver: Gales Creek
13.0 MI W OF HWY 47 JCT, Washington, OR
OR 99W(HWY 001W)NB
FairOver: ROCK CREEK (ONION FLAT)
014 MI N SHERWOOD, Washington, OR
US 26 (HWY 047) WB
FairOver: PNWR & VADIS
17.0 MI W PORTLAND SWCL, Washington, OR
Hwy 29
FairOver: PNWR & Scoggin Creek
1.5 MI N GASTON PO, Washington, OR
HWY 91
FairOver: PNWR
AT TIGARD CC, Washington, OR
SW 92ND AVE
FairOver: FANNO CREEK
003 MI S SCHOLLS FERRY RD, Washington, OR
CORNELIUS PASS RD
FairOver: ROCK CREEK
007 MI N GERMANTOWN ROAD, Washington, OR
COCHRAN RD
FairOver: NEHALEM RIVER
029 MI W TIMBER ROAD JCT, Washington, OR
HWY 91
FairOver: FANNO CREEK
AT TIGARD CC, Washington, OR
TIGARD STREET
FairOver: FANNO CREEK
0005 WEST OF TIEDEMAN, Washington, OR
OR 99W(HWY 91)SB
FairOver: ROCK CREEK (ONION FLAT)
14 MI. N. OF SHERWOOD, Washington, OR
I-5 (HWY 001)
FairOver: P&W RR
1.1 MI N OF TUALATIN R., Washington, OR
OR 47 (Hwy 102)
FairOver: West Fork Dairy Creek
033 MI N FOREST GROVE, Washington, OR
US 26 (Hwy 047)
FairOver: W FK Dairy Creek
3.2 MI W HWY 47 JCT, Washington, OR
MOUNTAINDALE ROAD
FairOver: E FK DAIRY CREEK
010 MI N HWY 26, Washington, OR
NW DAIRY CREEK RD
FairOver: E FORK DAIRY CREEK
001 MI E FERN FLAT RD, Washington, OR
OLD TV HWY #47
FairOver: GASTON SLOUGH
010 W HWY #47, Washington, OR
I-5 (HWY 001)
FairOver: TUALATIN RIVER
AT TUALATIN RIVER, Washington, OR
OR 6 (Hwy 037)
FairOver: P&W & PTB
1.9 MI W OF HWY 47 JCT, Washington, OR
HOBBS RD
FairOver: COUNCIL CREEK
004 EAST SUSBAUER RD, Washington, OR
OLD TV HWY #47
FairOver: TUALATIN RIVER OVERFLOW
0025 MI W TUALATIN RIVER, Washington, OR
JARREL ROAD
FairOver: JACKSON CREEK
005 MI E MASON HILL RD, Washington, OR
US 26 (HWY 047) EB
FairOver: Mckay Creek
16.6 MI W of Portland CC, Washington, OR
MINTER BRIDGE ROAD
FairOver: DAVIS CREEK
002 MI N BURKHALTER, Washington, OR
REILING RD
FairOver: SMALL STREAM
009 MI E HWY 47, Washington, OR
ROY ROAD
FairOver: E FK DAIRY CR OFLOW
023 MI E HWY 47, Washington, OR
FISHER ROAD
FairOver: WEST FORK DAIRY CREEK
007 MI S SUNSET HWY, Washington, OR
OR 6 (Hwy 037)
FairOver: Gales Creek
14.0 MI W HWY 47 JCT, Washington, OR
SW 185TH AVE
FairOver: BEAVERTON CREEK
0061 MI S BASELINE RD, Washington, OR
MILLIKAN WAY
FairOver: BEAVERTON CREEK
002 N TUALATIN VALLEY HWY, 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.