US Bridges

I-65 SB over Singleton Ditch

Fair

Lake County, Indiana · 01.91 S SR 2 · Structure no. 038370

Built
1964
61 years old, rebuilt 2000
Condition
Fair
inspected April 2023
Type
Slab
Concrete Continuous
Length
92 ft
3 main spans
Daily traffic
14,069
2004 count
Owner
State
State Highway Agency

About this bridge

I-65 SB over Singleton Ditch is a concrete continuous slab carrying I-65 SB over Singleton Ditch in Lake County, Indiana. It was built in 1964 and reconstructed in 2000, so it is 61 years old, older than the Indiana average of 46.6 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 14,069 vehicles a day, roughly 10% of them trucks, projected to reach 25,479 by 2030. The structure is 92 ft (28 m) long and 42 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Location

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CarriesI-65 SB
CrossesSingleton Ditch
Location01.91 S SR 2
RouteInterstate 65
CountyLake County
StateIndiana
Coordinates41.26228, -87.29591
Functional classRural Principal Arterial - Interstate

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.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating53.6 US tons
Inventory rating41.1 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length92 ft (28 m)
Longest span36 ft (10.9 m)
Deck width42 ft (12.9 m)
Roadway width39 ft (12 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic14,069 (2004)
Projected traffic25,479 by 2030
Trucks10%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed0.6 mi (1 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was I-65 SB over Singleton Ditch built?

It was built in 1964, making it 61 years old in 2025. It was reconstructed in 2000.

What condition is I-65 SB over Singleton 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 April 2023.

How much traffic does I-65 SB over Singleton Ditch carry?

About 14,069 vehicles per day (2004 count), of which roughly 10% are trucks.

How long is I-65 SB over Singleton Ditch?

The structure is 92 ft (28 m) long with a longest span of 36 ft (10.9 m) and a deck 42 ft wide.

Who owns I-65 SB over Singleton Ditch?

It is owned by the State Highway Agency.