US Bridges

Amity RD over IR-70

Fair

Franklin County, Ohio · 1.41 Mi. E of Madison Co. · Structure no. 2503751

Built
1970
55 years old
Condition
Fair
inspected August 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
505 ft
4 main spans
Daily traffic
2,397
2017 count
Owner
State
State Highway Agency

About this bridge

Amity RD over IR-70 is a steel continuous stringer/multi-beam or girder carrying Amity RD over IR-70 in Franklin County, Ohio. It was built in 1970, so it is 55 years old, older than the Ohio average of 47.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 2,397 vehicles a day, roughly 5% of them trucks, projected to reach 3,327 by 2037. The structure is 505 ft (153.8 m) long and 34 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesAmity RD
CrossesIR-70
Location1.41 Mi. E of Madison Co.
RouteCounty Highway C0012
StateOhio
Coordinates39.98023, -83.22229
Functional classUrban Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure8 Very GoodNo problems noted.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2024
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating35.7 US tons
Inventory rating28.5 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadH 15
Structure length505 ft (153.8 m)
Longest span150 ft (45.7 m)
Deck width34 ft (10.4 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,397 (2017)
Projected traffic3,327 by 2037
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.9 mi (3 km)
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 Amity RD over IR-70 built?

It was built in 1970, making it 55 years old in 2025.

What condition is Amity RD over IR-70 in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in August 2024.

How much traffic does Amity RD over IR-70 carry?

About 2,397 vehicles per day (2017 count), of which roughly 5% are trucks.

How long is Amity RD over IR-70?

The structure is 505 ft (153.8 m) long with a longest span of 150 ft (45.7 m) and a deck 34 ft wide.

Who owns Amity RD over IR-70?

It is owned by the State Highway Agency.