US Bridges

Ir 670 over Ramp B:IR71S to IR670 E

Good

Franklin County, Ohio · 0.43 MI S of 5th Ave · Structure no. 2517671

Built
1993
32 years old
Condition
Good
inspected July 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
359 ft
3 main spans
Daily traffic
153,135
2003 count
Owner
State
State Highway Agency

About this bridge

Ir 670 over Ramp B:IR71S to IR670 E is a steel continuous stringer/multi-beam or girder carrying Ir 670 over Ramp B:IR71S to IR670 E in Franklin County, Ohio. It was built in 1993, so it is 32 years old, younger 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 153,135 vehicles a day, roughly 7% of them trucks, projected to reach 212,551 by 2023. The structure is 359 ft (109.4 m) long and 33 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesIr 670
CrossesRamp B:IR71S to IR670 E
Location0.43 MI S of 5th Ave
RouteInterstate 71
StateOhio
Coordinates39.97918, -82.98531
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating64.3 US tons
Inventory rating50 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length359 ft (109.4 m)
Longest span138 ft (42.2 m)
Deck width33 ft (10.1 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic153,135 (2003)
Projected traffic212,551 by 2023
Trucks7%
Lanes on structure1
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 670 over Ramp B:IR71S to IR670 E built?

It was built in 1993, making it 32 years old in 2025.

What condition is Ir 670 over Ramp B:IR71S to IR670 E 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 July 2023.

How much traffic does Ir 670 over Ramp B:IR71S to IR670 E carry?

About 153,135 vehicles per day (2003 count), of which roughly 7% are trucks.

How long is Ir 670 over Ramp B:IR71S to IR670 E?

The structure is 359 ft (109.4 m) long with a longest span of 138 ft (42.2 m) and a deck 33 ft wide.

Who owns Ir 670 over Ramp B:IR71S to IR670 E?

It is owned by the State Highway Agency.