US Bridges

SR 75 over Bachelor Run

Fair

Carroll County, Indiana · 01.17 N SR 18 · Structure no. 024980

Built
1966
59 years old, rebuilt 1992
Condition
Fair
inspected November 2023
Type
Slab
Concrete Continuous
Length
102 ft
3 main spans
Daily traffic
1,326
2020 count
Owner
State
State Highway Agency

About this bridge

SR 75 over Bachelor Run is a concrete continuous slab carrying SR 75 over Bachelor Run in Carroll County, Indiana. It was built in 1966 and reconstructed in 1992, so it is 59 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 5 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 1,326 vehicles a day, roughly 20% of them trucks, projected to reach 2,543 by 2030. The structure is 102 ft (31 m) long and 42 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesSR 75
CrossesBachelor Run
Location01.17 N SR 18
RouteState Highway 75
CountyCarroll County
StateIndiana
Coordinates40.56315, -86.53258
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating54.2 US tons
Inventory rating41.8 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length102 ft (31 m)
Longest span40 ft (12.1 m)
Deck width42 ft (12.9 m)
Roadway width40 ft (12.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,326 (2020)
Projected traffic2,543 by 2030
Trucks20%
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 75 over Bachelor Run built?

It was built in 1966, making it 59 years old in 2025. It was reconstructed in 1992.

What condition is SR 75 over Bachelor Run 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 November 2023.

How much traffic does SR 75 over Bachelor Run carry?

About 1,326 vehicles per day (2020 count), of which roughly 20% are trucks.

How long is SR 75 over Bachelor Run?

The structure is 102 ft (31 m) long with a longest span of 40 ft (12.1 m) and a deck 42 ft wide.

Who owns SR 75 over Bachelor Run?

It is owned by the State Highway Agency.