US Bridges

Old SR 114 over Carlson Ditch

Fair

Newton County, Indiana · 0.5 MI W CR 600 W · Structure no. 5600146

Built
1980
45 years old, rebuilt 2011
Condition
Fair
inspected September 2024
Type
Slab
Concrete Continuous
Length
77 ft
3 main spans
Daily traffic
710
2024 count
Owner
County
County Highway Agency

About this bridge

Old SR 114 over Carlson Ditch is a concrete continuous slab carrying Old SR 114 over Carlson Ditch in Newton County, Indiana. It was built in 1980 and reconstructed in 2011, so it is 45 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 710 vehicles a day, roughly 6% of them trucks, projected to reach 939 by 2044. The structure is 77 ft (23.5 m) long and 36 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesOld SR 114
CrossesCarlson Ditch
Location0.5 MI W CR 600 W
RouteCounty Highway 114
CountyNewton County
StateIndiana
Coordinates40.94223, -87.51772
Functional classRural Major Collector

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 protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating61.8 US tons
Inventory rating37 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length77 ft (23.5 m)
Longest span28 ft (8.5 m)
Deck width36 ft (10.9 m)
Roadway width34 ft (10.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic710 (2024)
Projected traffic939 by 2044
Trucks6%
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 Old SR 114 over Carlson Ditch built?

It was built in 1980, making it 45 years old in 2025. It was reconstructed in 2011.

What condition is Old SR 114 over Carlson 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 September 2024.

How much traffic does Old SR 114 over Carlson Ditch carry?

About 710 vehicles per day (2024 count), of which roughly 6% are trucks.

How long is Old SR 114 over Carlson Ditch?

The structure is 77 ft (23.5 m) long with a longest span of 28 ft (8.5 m) and a deck 36 ft wide.

Who owns Old SR 114 over Carlson Ditch?

It is owned by the County Highway Agency.