US Bridges

IR-75 over Abandoned RR

Fair

Miami County, Ohio · 3.19MI.N. of JCT.SR-41 · Structure no. 5502640

Built
1957
68 years old, rebuilt 1982
Condition
Fair
inspected March 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
324 ft
5 main spans
Daily traffic
23,381
2015 count
Owner
State
State Highway Agency

About this bridge

IR-75 over Abandoned RR is a steel continuous stringer/multi-beam or girder carrying IR-75 over Abandoned RR in Miami County, Ohio. It was built in 1957 and reconstructed in 1982, so it is 68 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 6 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 23,381 vehicles a day, roughly 12% of them trucks, projected to reach 32,453 by 2035. The structure is 324 ft (98.8 m) long and 66 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesIR-75
CrossesAbandoned RR
Location3.19MI.N. of JCT.SR-41
RouteInterstate 75
CountyMiami County
StateOhio
Coordinates40.09812, -84.22943
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionMarch 2024
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourFoundations on dry land well above flood water elevations
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry9: Superior to present desirable criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating32.2 US tons
Inventory rating25 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans5
Design loadHL 93
Structure length324 ft (98.8 m)
Longest span75 ft (22.9 m)
Deck width66 ft (20 m)
Roadway width62 ft (19 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic23,381 (2015)
Projected traffic32,453 by 2035
Trucks12%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway
CrossesRelief for waterway
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—
NavigationNo navigation control on waterway

Frequently asked questions

When was IR-75 over Abandoned RR built?

It was built in 1957, making it 68 years old in 2025. It was reconstructed in 1982.

What condition is IR-75 over Abandoned 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 March 2024.

How much traffic does IR-75 over Abandoned RR carry?

About 23,381 vehicles per day (2015 count), of which roughly 12% are trucks.

How long is IR-75 over Abandoned RR?

The structure is 324 ft (98.8 m) long with a longest span of 75 ft (22.9 m) and a deck 66 ft wide.

Who owns IR-75 over Abandoned RR?

It is owned by the State Highway Agency.