US Bridges

SR 15 over Ring Ditch

Good

Kosciusko County, Indiana · 05.60 N SR 14 · Structure no. 004044

Built
1991
34 years old
Condition
Good
inspected June 2023
Type
Culvert
Steel
Length
32 ft
2 main spans
Daily traffic
5,729
2018 count
Owner
State
State Highway Agency

About this bridge

SR 15 over Ring Ditch is a steel culvert carrying SR 15 over Ring Ditch in Kosciusko County, Indiana. It was built in 1991, so it is 34 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 5,729 vehicles a day, roughly 21% of them trucks, projected to reach 9,937 by 2030. The structure is 32 ft (9.7 m) long and 50 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesSR 15
CrossesRing Ditch
Location05.60 N SR 14
RouteState Highway 15
StateIndiana
Coordinates41.15181, -85.88565
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 inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than 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 rating107.1 US tons
Inventory rating107.1 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans2
Design loadUnknown
Structure length32 ft (9.7 m)
Longest span13 ft (4.1 m)
Deck width50 ft (15.2 m)
Roadway width50 ft (15.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,729 (2018)
Projected traffic9,937 by 2030
Trucks21%
Lanes on structure3
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 SR 15 over Ring Ditch built?

It was built in 1991, making it 34 years old in 2025.

What condition is SR 15 over Ring Ditch 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 June 2023.

How much traffic does SR 15 over Ring Ditch carry?

About 5,729 vehicles per day (2018 count), of which roughly 21% are trucks.

How long is SR 15 over Ring Ditch?

The structure is 32 ft (9.7 m) long with a longest span of 13 ft (4.1 m) and a deck 50 ft wide.

Who owns SR 15 over Ring Ditch?

It is owned by the State Highway Agency.