US Bridges

IR-75 over TR 39 Kirkwood Road

Good

Shelby County, Ohio · 1.52MI.N.OF Miami Co.Line · Structure no. 7501501

Built
1960
65 years old
Condition
Good
inspected July 2024
Type
Slab
Concrete Continuous
Length
140 ft
3 main spans
Daily traffic
23,419
2015 count
Owner
State
State Highway Agency

About this bridge

IR-75 over TR 39 Kirkwood Road is a concrete continuous slab carrying IR-75 over TR 39 Kirkwood Road in Shelby County, Ohio. It was built in 1960, so it is 65 years old, older than the Ohio average of 47.3 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 23,419 vehicles a day, roughly 31% of them trucks, projected to reach 32,506 by 2035. The structure is 140 ft (42.7 m) long and 44 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesIR-75
CrossesTR 39 Kirkwood Road
Location1.52MI.N.OF Miami Co.Line
RouteInterstate 75
StateOhio
Coordinates40.21617, -84.20127
Functional classUrban Principal Arterial - Interstate

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.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating50.4 US tons
Inventory rating30 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length140 ft (42.7 m)
Longest span53 ft (16.2 m)
Deck width44 ft (13.4 m)
Roadway width40 ft (12.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic23,419 (2015)
Projected traffic32,506 by 2035
Trucks31%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was IR-75 over TR 39 Kirkwood Road built?

It was built in 1960, making it 65 years old in 2025.

What condition is IR-75 over TR 39 Kirkwood Road 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 July 2024.

How much traffic does IR-75 over TR 39 Kirkwood Road carry?

About 23,419 vehicles per day (2015 count), of which roughly 31% are trucks.

How long is IR-75 over TR 39 Kirkwood Road?

The structure is 140 ft (42.7 m) long with a longest span of 53 ft (16.2 m) and a deck 44 ft wide.

Who owns IR-75 over TR 39 Kirkwood Road?

It is owned by the State Highway Agency.