US Bridges

West Stayton RD over West Stayton Ditch

GoodPosted for load

Marion County, Oregon · 1.0 MI So Shaff RD (86) · Structure no. 47C202004000096

Built
1953
72 years old
Condition
Good
inspected August 2024
Type
Culvert
Concrete Continuous
Length
24 ft
3 main spans
Daily traffic
1,721
2020 count
Owner
County
County Highway Agency

About this bridge

West Stayton RD over West Stayton Ditch is a concrete continuous culvert carrying West Stayton RD over West Stayton Ditch in Marion County, Oregon. It was built in 1953, so it is 72 years old, older than the Oregon average of 49.9 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. Its operating status is: posted for load restriction.

It carries about 1,721 vehicles a day, roughly 4% of them trucks, projected to reach 1,936 by 2025. The structure is 24 ft (7.3 m) long and 27 ft wide. If it were closed, the detour would be 5.6 mi (9 km).

CarriesWest Stayton RD
CrossesWest Stayton Ditch
Location1.0 MI So Shaff RD (86)
RouteCounty Highway A0569
StateOregon
Coordinates44.7919, -122.87489
Functional classRural Minor Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert8 Very GoodNo problems noted.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating18.8 US tons
Inventory rating14.6 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans3
Design loadH 15
Structure length24 ft (7.3 m)
Longest span7 ft (2.1 m)
Deck width27 ft (8.1 m)
Roadway width19 ft (5.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,721 (2020)
Projected traffic1,936 by 2025
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5.6 mi (9 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was West Stayton RD over West Stayton Ditch built?

It was built in 1953, making it 72 years old in 2025.

What condition is West Stayton RD over West Stayton Ditch in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in August 2024.

How much traffic does West Stayton RD over West Stayton Ditch carry?

About 1,721 vehicles per day (2020 count), of which roughly 4% are trucks.

How long is West Stayton RD over West Stayton Ditch?

The structure is 24 ft (7.3 m) long with a longest span of 7 ft (2.1 m) and a deck 27 ft wide.

Who owns West Stayton RD over West Stayton Ditch?

It is owned by the County Highway Agency.