US Bridges

IR-70 over US-40 (broad St)

Fair

Franklin County, Ohio · 1.28 Mi. E. of IR670 · Structure no. 2504588

Built
1973
52 years old
Condition
Fair
inspected August 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
120 ft
1 main span
Daily traffic
62,621
2015 count
Owner
State
State Highway Agency

About this bridge

IR-70 over US-40 (broad St) is a steel stringer/multi-beam or girder carrying IR-70 over US-40 (broad St) in Franklin County, Ohio. It was built in 1973, so it is 52 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 6 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 62,621 vehicles a day, roughly 15% of them trucks, projected to reach 86,918 by 2035. The structure is 120 ft (36.6 m) long and 109 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesIR-70
CrossesUS-40 (broad St)
Location1.28 Mi. E. of IR670
RouteInterstate 70
CountyFranklin County
StateOhio
Coordinates39.95699, -83.04493
Functional classUrban Principal Arterial - Interstate

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
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 geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating42.9 US tons
Inventory rating33.2 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20 + Mod
Structure length120 ft (36.6 m)
Longest span115 ft (35 m)
Deck width109 ft (33.2 m)
Roadway width107 ft (32.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic62,621 (2015)
Projected traffic86,918 by 2035
Trucks15%
Lanes on structure5
Traffic directionTwo-way traffic
CarriesOverpass structure at an interchange
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 US-40 (broad St) built?

It was built in 1973, making it 52 years old in 2025.

What condition is IR-70 over US-40 (broad St) 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 IR-70 over US-40 (broad St) carry?

About 62,621 vehicles per day (2015 count), of which roughly 15% are trucks.

How long is IR-70 over US-40 (broad St)?

The structure is 120 ft (36.6 m) long with a longest span of 115 ft (35 m) and a deck 109 ft wide.

Who owns IR-70 over US-40 (broad St)?

It is owned by the State Highway Agency.