US Bridges

SR 75 over Kilmore Creek

Good

Clinton County, Indiana · 03.77 N US 421 · Structure no. 024930

Built
1967
58 years old, rebuilt 2009
Condition
Good
inspected December 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
176 ft
3 main spans
Daily traffic
1,314
2021 count
Owner
State
State Highway Agency

About this bridge

SR 75 over Kilmore Creek is a steel continuous stringer/multi-beam or girder carrying SR 75 over Kilmore Creek in Clinton County, Indiana. It was built in 1967 and reconstructed in 2009, so it is 58 years old, older 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 1,314 vehicles a day, roughly 8% of them trucks, projected to reach 1,726 by 2034. The structure is 176 ft (53.7 m) long and 35 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesSR 75
CrossesKilmore Creek
Location03.77 N US 421
RouteState Highway 75
StateIndiana
Coordinates40.34465, -86.5152
Functional classRural Major Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating41.8 US tons
Inventory rating32.2 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length176 ft (53.7 m)
Longest span67 ft (20.4 m)
Deck width35 ft (10.8 m)
Roadway width32 ft (9.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,314 (2021)
Projected traffic1,726 by 2034
Trucks8%
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 75 over Kilmore Creek built?

It was built in 1967, making it 58 years old in 2025. It was reconstructed in 2009.

What condition is SR 75 over Kilmore Creek 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 December 2023.

How much traffic does SR 75 over Kilmore Creek carry?

About 1,314 vehicles per day (2021 count), of which roughly 8% are trucks.

How long is SR 75 over Kilmore Creek?

The structure is 176 ft (53.7 m) long with a longest span of 67 ft (20.4 m) and a deck 35 ft wide.

Who owns SR 75 over Kilmore Creek?

It is owned by the State Highway Agency.