US Bridges

SR 4 over Ir 75 & Ramp

Good

Montgomery County, Ohio · .46MI N of JCT SR48 · Structure no. 5708443

Built
2009
16 years old
Condition
Good
inspected August 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
491 ft
4 main spans
Daily traffic
19,382
2015 count
Owner
State
State Highway Agency

About this bridge

SR 4 over Ir 75 & Ramp is a steel continuous stringer/multi-beam or girder carrying SR 4 over Ir 75 & Ramp in Montgomery County, Ohio. It was built in 2009, so it is 16 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 19,382 vehicles a day, roughly 6% of them trucks, projected to reach 26,902 by 2035. The structure is 491 ft (149.7 m) long and 45 ft wide.

Location

Open in Google Maps
CarriesSR 4
CrossesIr 75 & Ramp
Location.46MI N of JCT SR48
RouteState Highway 4
CountyMontgomery County
StateOhio
Coordinates39.77336, -84.18784
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 inspectionAugust 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 rating71.1 US tons
Inventory rating55 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 25 or greater
Structure length491 ft (149.7 m)
Longest span154 ft (46.8 m)
Deck width45 ft (13.7 m)
Roadway width42 ft (12.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic19,382 (2015)
Projected traffic26,902 by 2035
Trucks6%
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 SR 4 over Ir 75 & Ramp built?

It was built in 2009, making it 16 years old in 2025.

What condition is SR 4 over Ir 75 & Ramp 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 August 2023.

How much traffic does SR 4 over Ir 75 & Ramp carry?

About 19,382 vehicles per day (2015 count), of which roughly 6% are trucks.

How long is SR 4 over Ir 75 & Ramp?

The structure is 491 ft (149.7 m) long with a longest span of 154 ft (46.8 m) and a deck 45 ft wide.

Who owns SR 4 over Ir 75 & Ramp?

It is owned by the State Highway Agency.