US Bridges

SR 25 over Keren Neff Ditch

Fair

Cass County, Indiana · 02.38 N SR 16 · Structure no. 006510

Built
1953
72 years old
Condition
Fair
inspected April 2023
Type
Culvert
Concrete
Length
28 ft
1 main span
Daily traffic
2,848
2021 count
Owner
State
State Highway Agency

About this bridge

SR 25 over Keren Neff Ditch is a concrete culvert carrying SR 25 over Keren Neff Ditch in Cass County, Indiana. It was built in 1953, so it is 72 years old, older 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 2,848 vehicles a day, roughly 14% of them trucks, projected to reach 5,842 by 2030. The structure is 28 ft (8.5 m) long and 49 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesSR 25
CrossesKeren Neff Ditch
Location02.38 N SR 16
RouteState Highway 25
StateIndiana
Coordinates40.89381, -86.28598
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
Channel and channel protection9 ExcellentNo problems noted.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating62.2 US tons
Inventory rating59.6 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHS 20
Structure length28 ft (8.5 m)
Longest span25 ft (7.6 m)
Deck width49 ft (14.9 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,848 (2021)
Projected traffic5,842 by 2030
Trucks14%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 25 over Keren Neff Ditch built?

It was built in 1953, making it 72 years old in 2025.

What condition is SR 25 over Keren Neff 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 April 2023.

How much traffic does SR 25 over Keren Neff Ditch carry?

About 2,848 vehicles per day (2021 count), of which roughly 14% are trucks.

How long is SR 25 over Keren Neff Ditch?

The structure is 28 ft (8.5 m) long with a longest span of 25 ft (7.6 m) and a deck 49 ft wide.

Who owns SR 25 over Keren Neff Ditch?

It is owned by the State Highway Agency.