US Bridges

CR 310 South over Little Potato Creek

Good

Clinton County, Indiana · 0.10 S of CR 300 S · Structure no. 1200132

Built
2003
22 years old
Condition
Good
inspected May 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
50 ft
1 main span
Daily traffic
103
2014 count
Owner
County
County Highway Agency

About this bridge

CR 310 South over Little Potato Creek is a prestressed concrete box beam or girders - multiple carrying CR 310 South over Little Potato Creek in Clinton County, Indiana. It was built in 2003, so it is 22 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 103 vehicles a day, roughly 3% of them trucks, projected to reach 124 by 2034. The structure is 50 ft (15.2 m) long and 28 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesCR 310 South
CrossesLittle Potato Creek
Location0.10 S of CR 300 S
RouteCounty Highway 15
StateIndiana
Coordinates40.24184, -86.61881
Functional classRural Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating65.1 US tons
Inventory rating38.9 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadUnknown
Structure length50 ft (15.2 m)
Longest span45 ft (13.7 m)
Deck width28 ft (8.6 m)
Roadway width28 ft (8.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic103 (2014)
Projected traffic124 by 2034
Trucks3%
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

OwnerCounty Highway Agency
Maintained byCounty 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 CR 310 South over Little Potato Creek built?

It was built in 2003, making it 22 years old in 2025.

What condition is CR 310 South over Little Potato Creek 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 May 2024.

How much traffic does CR 310 South over Little Potato Creek carry?

About 103 vehicles per day (2014 count), of which roughly 3% are trucks.

How long is CR 310 South over Little Potato Creek?

The structure is 50 ft (15.2 m) long with a longest span of 45 ft (13.7 m) and a deck 28 ft wide.

Who owns CR 310 South over Little Potato Creek?

It is owned by the County Highway Agency.