US Bridges

14th ST SE over Shelton Ditch

Fair

Marion County, Oregon · Bet Mission & Oak · Structure no. 470420000 00111

Built
1962
63 years old
Condition
Fair
inspected August 2023
Type
Tee Beam
Concrete Continuous
Length
86 ft
3 main spans
Daily traffic
5,982
2020 count
Owner
City
City or Municipal Highway Agency

About this bridge

14th ST SE over Shelton Ditch is a concrete continuous tee beam carrying 14th ST SE over Shelton Ditch in Marion County, Oregon. It was built in 1962, so it is 63 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 5 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 5,982 vehicles a day, roughly 10% of them trucks, projected to reach 6,722 by 2025. The structure is 86 ft (26.2 m) long and 60 ft wide.

Location

Open in Google Maps
Carries14th ST SE
CrossesShelton Ditch
LocationBet Mission & Oak
RouteCity Street C0000
CountyMarion County
StateOregon
Coordinates44.93011, -123.02671
Functional classUrban Collector

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating32.8 US tons
Inventory rating25.4 US tons

Structure

Structure typeTee Beam
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length86 ft (26.2 m)
Longest span54 ft (16.5 m)
Deck width60 ft (18.4 m)
Roadway width46 ft (14.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,982 (2020)
Projected traffic6,722 by 2025
Trucks10%
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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was 14th ST SE over Shelton Ditch built?

It was built in 1962, making it 63 years old in 2025.

What condition is 14th ST SE 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 14th ST SE over Shelton Ditch carry?

About 5,982 vehicles per day (2020 count), of which roughly 10% are trucks.

How long is 14th ST SE over Shelton Ditch?

The structure is 86 ft (26.2 m) long with a longest span of 54 ft (16.5 m) and a deck 60 ft wide.

Who owns 14th ST SE over Shelton Ditch?

It is owned by the City or Municipal Highway Agency.