US Bridges

Bellefontain Rd. over I70

Good

Montgomery County, Ohio · 1.13MI.E. of Jct. SR-201 · Structure no. 5706270

Built
1958
67 years old, rebuilt 2012
Condition
Good
inspected September 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
285 ft
4 main spans
Daily traffic
3,122
2015 count
Owner
State
State Highway Agency

About this bridge

Bellefontain Rd. over I70 is a steel continuous stringer/multi-beam or girder carrying Bellefontain Rd. over I70 in Montgomery County, Ohio. It was built in 1958 and reconstructed in 2012, so it is 67 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 3,122 vehicles a day, roughly 5% of them trucks, projected to reach 87,915 by 2035. The structure is 285 ft (86.9 m) long and 31 ft wide.

CarriesBellefontain Rd.
CrossesI70
Location1.13MI.E. of Jct. SR-201
RouteCity Street 5406
StateOhio
Coordinates39.86622, -84.0797
Functional classUrban Collector

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.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating28.2 US tons
Inventory rating21.8 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20 + Mod
Structure length285 ft (86.9 m)
Longest span87 ft (26.6 m)
Deck width31 ft (9.4 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,122 (2015)
Projected traffic87,915 by 2035
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed—
TollOn a free road
National Highway SystemNo

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 Bellefontain Rd. over I70 built?

It was built in 1958, making it 67 years old in 2025. It was reconstructed in 2012.

What condition is Bellefontain Rd. over I70 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 September 2023.

How much traffic does Bellefontain Rd. over I70 carry?

About 3,122 vehicles per day (2015 count), of which roughly 5% are trucks.

How long is Bellefontain Rd. over I70?

The structure is 285 ft (86.9 m) long with a longest span of 87 ft (26.6 m) and a deck 31 ft wide.

Who owns Bellefontain Rd. over I70?

It is owned by the State Highway Agency.