US Bridges

IR-675 over Ir 70

Good

Clark County, Ohio · Jct. IR-675 and IR-70 · Structure no. 1206575

Built
1975
50 years old, rebuilt 2017
Condition
Good
inspected March 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
312 ft
5 main spans
Daily traffic
20,000
2019 count
Owner
State
State Highway Agency

About this bridge

IR-675 over Ir 70 is a steel continuous stringer/multi-beam or girder carrying IR-675 over Ir 70 in Clark County, Ohio. It was built in 1975 and reconstructed in 2017, so it is 50 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 20,000 vehicles a day, roughly 10% of them trucks, projected to reach 23,000 by 2039. The structure is 312 ft (95.1 m) long and 56 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesIR-675
CrossesIr 70
LocationJct. IR-675 and IR-70
RouteInterstate 675
StateOhio
Coordinates39.86506, -83.99357
Functional classRural 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.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Last inspectionMarch 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 alignment9: Superior to present desirable criteria
Operating rating100 US tons
Inventory rating60.7 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans5
Design loadHS 20 + Mod
Structure length312 ft (95.1 m)
Longest span87 ft (26.5 m)
Deck width56 ft (17.2 m)
Roadway width52 ft (16 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic20,000 (2019)
Projected traffic23,000 by 2039
Trucks10%
Lanes on structure2
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 proposedDeck replacement with only incidental widening
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was IR-675 over Ir 70 built?

It was built in 1975, making it 50 years old in 2025. It was reconstructed in 2017.

What condition is IR-675 over Ir 70 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 March 2023.

How much traffic does IR-675 over Ir 70 carry?

About 20,000 vehicles per day (2019 count), of which roughly 10% are trucks.

How long is IR-675 over Ir 70?

The structure is 312 ft (95.1 m) long with a longest span of 87 ft (26.5 m) and a deck 56 ft wide.

Who owns IR-675 over Ir 70?

It is owned by the State Highway Agency.