US Bridges

US 52 over Unt Little Flatrock Riv

Good

Rush County, Indiana · 05.46 E SR 3 · Structure no. 080486

Built
2013
12 years old
Condition
Good
inspected December 2024
Type
Culvert
Concrete
Length
30 ft
1 main span
Daily traffic
2,047
2021 count
Owner
State
State Highway Agency

About this bridge

US 52 over Unt Little Flatrock Riv is a concrete culvert carrying US 52 over Unt Little Flatrock Riv in Rush County, Indiana. It was built in 2013, so it is 12 years old, younger 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 2,047 vehicles a day, roughly 15% of them trucks, projected to reach 2,661 by 2035. The structure is 30 ft (9.1 m) long. If it were closed, the detour would be 3.7 mi (6 km).

CarriesUS 52
CrossesUnt Little Flatrock Riv
Location05.46 E SR 3
RouteU.S. Route 52
StateIndiana
Coordinates39.54878, -85.36742
Functional classRural Minor Arterial

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 protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert7 GoodSome minor problems.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating65.7 US tons
Inventory rating50.7 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHL 93
Structure length30 ft (9.1 m)
Longest span28 ft (8.5 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,047 (2021)
Projected traffic2,661 by 2035
Trucks15%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemNo

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 US 52 over Unt Little Flatrock Riv built?

It was built in 2013, making it 12 years old in 2025.

What condition is US 52 over Unt Little Flatrock Riv 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 December 2024.

How much traffic does US 52 over Unt Little Flatrock Riv carry?

About 2,047 vehicles per day (2021 count), of which roughly 15% are trucks.

How long is US 52 over Unt Little Flatrock Riv?

The structure is 30 ft (9.1 m) long with a longest span of 28 ft (8.5 m).

Who owns US 52 over Unt Little Flatrock Riv?

It is owned by the State Highway Agency.