US Bridges

IR-75 over Penn Central RR

Fair

Shelby County, Ohio · .41MI S of JCT SR-47 · Structure no. 7501838

Built
1961
64 years old
Condition
Fair
inspected August 2024
Type
Slab
Concrete Continuous
Length
140 ft
3 main spans
Daily traffic
22,355
2015 count
Owner
State
State Highway Agency

About this bridge

IR-75 over Penn Central RR is a concrete continuous slab carrying IR-75 over Penn Central RR in Shelby County, Ohio. It was built in 1961, so it is 64 years old, older than the Ohio average of 47.3 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 22,355 vehicles a day, roughly 27% of them trucks, projected to reach 31,029 by 2035. The structure is 140 ft (42.7 m) long and 46 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesIR-75
CrossesPenn Central RR
Location.41MI S of JCT SR-47
RouteInterstate 75
StateOhio
Coordinates40.28176, -84.18306
Functional classUrban Principal Arterial - Interstate

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.
Substructure7 GoodSome minor problems.
Last inspectionAugust 2024
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating53.6 US tons
Inventory rating32.2 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 width46 ft (14.1 m)
Roadway width45 ft (13.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic22,355 (2015)
Projected traffic31,029 by 2035
Trucks27%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesRailroad
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 Penn Central RR built?

It was built in 1961, making it 64 years old in 2025.

What condition is IR-75 over Penn Central RR 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 August 2024.

How much traffic does IR-75 over Penn Central RR carry?

About 22,355 vehicles per day (2015 count), of which roughly 27% are trucks.

How long is IR-75 over Penn Central RR?

The structure is 140 ft (42.7 m) long with a longest span of 53 ft (16.2 m) and a deck 46 ft wide.

Who owns IR-75 over Penn Central RR?

It is owned by the State Highway Agency.