US Bridges

Ford ST over Shelton Ditch

Fair

Marion County, Oregon · 900 Block · Structure no. 470435000

Built
1953
72 years old
Condition
Fair
inspected August 2023
Type
Tee Beam
Concrete Continuous
Length
79 ft
3 main spans
Daily traffic
7,126
2020 count
Owner
City
City or Municipal Highway Agency

About this bridge

Ford ST over Shelton Ditch is a concrete continuous tee beam carrying Ford ST over Shelton 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 fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 7,126 vehicles a day, roughly 5% of them trucks, projected to reach 7,876 by 2025. The structure is 79 ft (24.1 m) long and 42 ft wide.

CarriesFord ST
CrossesShelton Ditch
Location900 Block
RouteCity Street C0000
StateOregon
Coordinates44.92723, -123.01591
Functional classUrban Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating25 US tons
Inventory rating19.3 US tons

Structure

Structure typeTee Beam
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length79 ft (24.1 m)
Longest span50 ft (15.2 m)
Deck width42 ft (12.8 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,126 (2020)
Projected traffic7,876 by 2025
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed—
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$405,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Ford ST over Shelton Ditch built?

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

What condition is Ford ST over Shelton Ditch in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in August 2023.

How much traffic does Ford ST over Shelton Ditch carry?

About 7,126 vehicles per day (2020 count), of which roughly 5% are trucks.

How long is Ford ST over Shelton Ditch?

The structure is 79 ft (24.1 m) long with a longest span of 50 ft (15.2 m) and a deck 42 ft wide.

Who owns Ford ST over Shelton Ditch?

It is owned by the City or Municipal Highway Agency.