US Bridges

I-69 over Thorpe Creek Overflow

Good

Hamilton County, Indiana · 01.48 S SR 13 · Structure no. 039025

Built
1966
59 years old, rebuilt 2018
Condition
Good
inspected August 2023
Type
Culvert
Steel
Length
23 ft
3 main spans
Daily traffic
55,765
2004 count
Owner
State
State Highway Agency

About this bridge

I-69 over Thorpe Creek Overflow is a steel culvert carrying I-69 over Thorpe Creek Overflow in Hamilton County, Indiana. It was built in 1966 and reconstructed in 2018, so it is 59 years old, older than the Indiana average of 46.6 years.

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

It carries about 55,765 vehicles a day, roughly 10% of them trucks, projected to reach 100,991 by 2030. The structure is 23 ft (7.1 m) long. If it were closed, the detour would be 0.6 mi (1 km).

CarriesI-69
CrossesThorpe Creek Overflow
Location01.48 S SR 13
RouteInterstate 69
StateIndiana
Coordinates39.99149, -85.87094
Functional classRural Principal Arterial - Interstate

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.
Culvert7 GoodSome minor problems.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating107.1 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans3
Design loadHS 20
Structure length23 ft (7.1 m)
Longest span6 ft (1.9 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic55,765 (2004)
Projected traffic100,991 by 2030
Trucks10%
Lanes on structure6
Traffic directionTwo-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-69 over Thorpe Creek Overflow built?

It was built in 1966, making it 59 years old in 2025. It was reconstructed in 2018.

What condition is I-69 over Thorpe Creek Overflow 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 2023.

How much traffic does I-69 over Thorpe Creek Overflow carry?

About 55,765 vehicles per day (2004 count), of which roughly 10% are trucks.

How long is I-69 over Thorpe Creek Overflow?

The structure is 23 ft (7.1 m) long with a longest span of 6 ft (1.9 m).

Who owns I-69 over Thorpe Creek Overflow?

It is owned by the State Highway Agency.