US Bridges

IR-70 over CR 315 Enon Road

Good

Clark County, Ohio · .5MI.E. of Jct. SR-4 · Structure no. 1203991

Built
1967
58 years old, rebuilt 2003
Condition
Good
inspected January 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
140 ft
3 main spans
Daily traffic
23,536
2015 count
Owner
State
State Highway Agency

About this bridge

IR-70 over CR 315 Enon Road is a steel continuous stringer/multi-beam or girder carrying IR-70 over CR 315 Enon Road in Clark County, Ohio. It was built in 1967 and reconstructed in 2003, so it is 58 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 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 23,536 vehicles a day, roughly 29% of them trucks, projected to reach 32,668 by 2035. The structure is 140 ft (42.7 m) long and 63 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesIR-70
CrossesCR 315 Enon Road
Location.5MI.E. of Jct. SR-4
RouteInterstate 70
StateOhio
Coordinates39.88834, -83.93604
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 inspectionJanuary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation8: Equal to present desirable criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating87.5 US tons
Inventory rating67.5 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length140 ft (42.7 m)
Longest span55 ft (16.8 m)
Deck width63 ft (19.2 m)
Roadway width60 ft (18.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic23,536 (2015)
Projected traffic32,668 by 2035
Trucks29%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
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-70 over CR 315 Enon Road built?

It was built in 1967, making it 58 years old in 2025. It was reconstructed in 2003.

What condition is IR-70 over CR 315 Enon Road 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 January 2023.

How much traffic does IR-70 over CR 315 Enon Road carry?

About 23,536 vehicles per day (2015 count), of which roughly 29% are trucks.

How long is IR-70 over CR 315 Enon Road?

The structure is 140 ft (42.7 m) long with a longest span of 55 ft (16.8 m) and a deck 63 ft wide.

Who owns IR-70 over CR 315 Enon Road?

It is owned by the State Highway Agency.