US Bridges

SR 15 over Keiffer Ditch

Fair

Elkhart County, Indiana · 00.62 N US 6 · Structure no. 004110

Built
1982
43 years old, rebuilt 2006
Condition
Fair
inspected June 2023
Type
Slab
Concrete Continuous
Length
80 ft
3 main spans
Daily traffic
9,995
2018 count
Owner
State
State Highway Agency

About this bridge

SR 15 over Keiffer Ditch is a concrete continuous slab carrying SR 15 over Keiffer Ditch in Elkhart County, Indiana. It was built in 1982 and reconstructed in 2006, so it is 43 years old, younger 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 9,995 vehicles a day, roughly 10% of them trucks, projected to reach 12,431 by 2031. The structure is 80 ft (24.3 m) long and 46 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesSR 15
CrossesKeiffer Ditch
Location00.62 N US 6
RouteState Highway 15
StateIndiana
Coordinates41.45852, -85.84228
Functional classRural Minor Arterial

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating52.9 US tons
Inventory rating40.3 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length80 ft (24.3 m)
Longest span31 ft (9.5 m)
Deck width46 ft (14.1 m)
Roadway width44 ft (13.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic9,995 (2018)
Projected traffic12,431 by 2031
Trucks10%
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 SR 15 over Keiffer Ditch built?

It was built in 1982, making it 43 years old in 2025. It was reconstructed in 2006.

What condition is SR 15 over Keiffer 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 June 2023.

How much traffic does SR 15 over Keiffer Ditch carry?

About 9,995 vehicles per day (2018 count), of which roughly 10% are trucks.

How long is SR 15 over Keiffer Ditch?

The structure is 80 ft (24.3 m) long with a longest span of 31 ft (9.5 m) and a deck 46 ft wide.

Who owns SR 15 over Keiffer Ditch?

It is owned by the State Highway Agency.