US Bridges

SR 75 over Wildcat Creek

Good

Carroll County, Indiana · 04.51 S SR 18 · Structure no. 024970

Built
1947
78 years old, rebuilt 2001
Condition
Good
inspected November 2023
Type
Truss - Thru
Steel
Length
240 ft
1 main span
Daily traffic
2,679
2004 count
Owner
State
State Highway Agency

About this bridge

SR 75 over Wildcat Creek is a steel truss - thru carrying SR 75 over Wildcat Creek in Carroll County, Indiana. It was built in 1947 and reconstructed in 2001, so it is 78 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 2,679 vehicles a day, roughly 10% of them trucks, projected to reach 4,446 by 2030. The structure is 240 ft (73.1 m) long and 32 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesSR 75
CrossesWildcat Creek
Location04.51 S SR 18
RouteState Highway 75
StateIndiana
Coordinates40.48176, -86.53007
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
Deck9 ExcellentNo problems noted.
Superstructure9 ExcellentNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection9 ExcellentNo problems noted.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating40 US tons
Inventory rating23.9 US tons

Structure

Structure typeTruss - Thru
MaterialSteel
DeckConcrete, cast-in-place
Main spans1 (+1 approach)
Design loadHS 20
Structure length240 ft (73.1 m)
Longest span175 ft (53.3 m)
Deck width32 ft (9.7 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deck14 ft (4.4 m)

Traffic and service

Average daily traffic2,679 (2004)
Projected traffic4,446 by 2030
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
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 statusEligible 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 Wildcat Creek built?

It was built in 1947, making it 78 years old in 2025. It was reconstructed in 2001.

What condition is SR 75 over Wildcat 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 November 2023.

How much traffic does SR 75 over Wildcat Creek carry?

About 2,679 vehicles per day (2004 count), of which roughly 10% are trucks.

How long is SR 75 over Wildcat Creek?

The structure is 240 ft (73.1 m) long with a longest span of 175 ft (53.3 m) and a deck 32 ft wide.

Who owns SR 75 over Wildcat Creek?

It is owned by the State Highway Agency.