US Bridges

Ir 75 over First Salem Robert

Good

Montgomery County, Ohio · First Street · Structure no. 5707889

Built
2014
11 years old
Condition
Good
inspected October 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
503 ft
4 main spans
Daily traffic
11,590
2005 count
Owner
State
State Highway Agency

About this bridge

Ir 75 over First Salem Robert is a steel continuous stringer/multi-beam or girder carrying Ir 75 over First Salem Robert in Montgomery County, Ohio. It was built in 2014, so it is 11 years old, younger 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 11,590 vehicles a day, roughly 3% of them trucks, projected to reach 16,087 by 2025. The structure is 503 ft (153.3 m) long and 41 ft wide.

CarriesIr 75
CrossesFirst Salem Robert
LocationFirst Street
RouteInterstate 75
StateOhio
Coordinates39.76044, -84.20206
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
Deck8 Very GoodNo problems noted.
Superstructure9 ExcellentNo problems noted.
Substructure8 Very GoodNo problems noted.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation8: Equal to present desirable criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating107.1 US tons
Inventory rating67.9 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 25 or greater
Structure length503 ft (153.3 m)
Longest span178 ft (54.3 m)
Deck width41 ft (12.5 m)
Roadway width38 ft (11.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic11,590 (2005)
Projected traffic16,087 by 2025
Trucks3%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
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 First Salem Robert built?

It was built in 2014, making it 11 years old in 2025.

What condition is Ir 75 over First Salem Robert 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 October 2023.

How much traffic does Ir 75 over First Salem Robert carry?

About 11,590 vehicles per day (2005 count), of which roughly 3% are trucks.

How long is Ir 75 over First Salem Robert?

The structure is 503 ft (153.3 m) long with a longest span of 178 ft (54.3 m) and a deck 41 ft wide.

Who owns Ir 75 over First Salem Robert?

It is owned by the State Highway Agency.