US Bridges

Lee ST over Shelton Ditch

Fair

Marion County, Oregon · 1800 Block · Structure no. 470425000

Built
1956
69 years old
Condition
Fair
inspected August 2023
Type
Tee Beam
Concrete Continuous
Length
79 ft
3 main spans
Daily traffic
2,192
2020 count
Owner
City
City or Municipal Highway Agency

About this bridge

Lee ST over Shelton Ditch is a concrete continuous tee beam carrying Lee ST over Shelton Ditch in Marion County, Oregon. It was built in 1956, so it is 69 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 2,192 vehicles a day, roughly 2% of them trucks, projected to reach 2,444 by 2025. The structure is 79 ft (24.1 m) long and 48 ft wide.

CarriesLee ST
CrossesShelton Ditch
Location1800 Block
RouteCity Street C0000
StateOregon
Coordinates44.92831, -123.0218
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
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 geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating18.2 US tons
Inventory rating13.9 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 width48 ft (14.6 m)
Roadway width34 ft (10.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,192 (2020)
Projected traffic2,444 by 2025
Trucks2%
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 Lee ST over Shelton Ditch built?

It was built in 1956, making it 69 years old in 2025.

What condition is Lee 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 Lee ST over Shelton Ditch carry?

About 2,192 vehicles per day (2020 count), of which roughly 2% are trucks.

How long is Lee 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 48 ft wide.

Who owns Lee ST over Shelton Ditch?

It is owned by the City or Municipal Highway Agency.