US Bridges

IR-75 over SB SR-741 and NS RR

Good

Montgomery County, Ohio · Jct. SR-741 and SR-741 · Structure no. 5707021

Built
1965
60 years old
Condition
Good
inspected December 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
514 ft
4 main spans
Daily traffic
99,916
2015 count
Owner
State
State Highway Agency

About this bridge

IR-75 over SB SR-741 and NS RR is a steel continuous stringer/multi-beam or girder carrying IR-75 over SB SR-741 and NS RR in Montgomery County, Ohio. It was built in 1965, so it is 60 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 99,916 vehicles a day, roughly 14% of them trucks, projected to reach 138,683 by 2035. The structure is 514 ft (156.7 m) long and 118 ft wide.

CarriesIR-75
CrossesSB SR-741 and NS RR
LocationJct. SR-741 and SR-741
RouteInterstate 75
StateOhio
Coordinates39.71841, -84.21559
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 inspectionDecember 2023
Inspection intervalevery 24 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 alignment9: Superior to present desirable criteria
Operating rating50 US tons
Inventory rating39.2 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length514 ft (156.7 m)
Longest span139 ft (42.4 m)
Deck width118 ft (36 m)
Roadway width118 ft (35.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic99,916 (2015)
Projected traffic138,683 by 2035
Trucks14%
Lanes on structure6
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway and railroad
Detour if closed—
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 SB SR-741 and NS RR built?

It was built in 1965, making it 60 years old in 2025.

What condition is IR-75 over SB SR-741 and NS RR 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 December 2023.

How much traffic does IR-75 over SB SR-741 and NS RR carry?

About 99,916 vehicles per day (2015 count), of which roughly 14% are trucks.

How long is IR-75 over SB SR-741 and NS RR?

The structure is 514 ft (156.7 m) long with a longest span of 139 ft (42.4 m) and a deck 118 ft wide.

Who owns IR-75 over SB SR-741 and NS RR?

It is owned by the State Highway Agency.