US Bridges

Ir 75 NB over Norfolk Southern RR

Fair

Butler County, Ohio · .21 MI N Ham-But CO Li · Structure no. 0901474

Built
1960
65 years old, rebuilt 2004
Condition
Fair
inspected February 2025
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
241 ft
3 main spans
Daily traffic
59,060
2015 count
Owner
State
State Highway Agency

About this bridge

Ir 75 NB over Norfolk Southern RR is a steel continuous stringer/multi-beam or girder carrying Ir 75 NB over Norfolk Southern RR in Butler County, Ohio. It was built in 1960 and reconstructed in 2004, 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 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 59,060 vehicles a day, roughly 14% of them trucks, projected to reach 81,975 by 2035. The structure is 241 ft (73.6 m) long and 76 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesIr 75 NB
CrossesNorfolk Southern RR
Location.21 MI N Ham-But CO Li
RouteInterstate 75
StateOhio
Coordinates39.30287, -84.43824
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 inspectionFebruary 2025
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating107.1 US tons
Inventory rating64.3 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length241 ft (73.6 m)
Longest span90 ft (27.4 m)
Deck width76 ft (23.3 m)
Roadway width73 ft (22.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic59,060 (2015)
Projected traffic81,975 by 2035
Trucks14%
Lanes on structure3
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 NB over Norfolk Southern RR built?

It was built in 1960, making it 65 years old in 2025. It was reconstructed in 2004.

What condition is Ir 75 NB over Norfolk Southern 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 February 2025.

How much traffic does Ir 75 NB over Norfolk Southern RR carry?

About 59,060 vehicles per day (2015 count), of which roughly 14% are trucks.

How long is Ir 75 NB over Norfolk Southern RR?

The structure is 241 ft (73.6 m) long with a longest span of 90 ft (27.4 m) and a deck 76 ft wide.

Who owns Ir 75 NB over Norfolk Southern RR?

It is owned by the State Highway Agency.