US Bridges

I-670 Ml over Over CSX RR

Good

Franklin County, Ohio · Over CSX RR · Structure no. 2517574

Built
2004
21 years old
Condition
Good
inspected October 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
586 ft
7 main spans
Daily traffic
74,266
2015 count
Owner
State
State Highway Agency

About this bridge

I-670 Ml over Over CSX RR is a steel continuous stringer/multi-beam or girder carrying I-670 Ml over Over CSX RR in Franklin County, Ohio. It was built in 2004, so it is 21 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 74,266 vehicles a day, roughly 6% of them trucks, projected to reach 103,081 by 2035. The structure is 586 ft (178.6 m) long and 145 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

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CarriesI-670 Ml
CrossesOver CSX RR
LocationOver CSX RR
RouteInterstate 670
CountyFranklin County
StateOhio
Coordinates39.97098, -83.0185
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.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Last inspectionOctober 2023
Inspection intervalevery 24 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 alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating39.2 US tons
Inventory rating28.5 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans7
Design loadHS 20 + Mod
Structure length586 ft (178.6 m)
Longest span101 ft (30.8 m)
Deck width145 ft (44.1 m)
Roadway width139 ft (42.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic74,266 (2015)
Projected traffic103,081 by 2035
Trucks6%
Lanes on structure6
Traffic directionTwo-way traffic
CarriesHighway
CrossesRailroad
Detour if closed5 mi (8 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 I-670 Ml over Over CSX RR built?

It was built in 2004, making it 21 years old in 2025.

What condition is I-670 Ml over Over CSX RR 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 October 2023.

How much traffic does I-670 Ml over Over CSX RR carry?

About 74,266 vehicles per day (2015 count), of which roughly 6% are trucks.

How long is I-670 Ml over Over CSX RR?

The structure is 586 ft (178.6 m) long with a longest span of 101 ft (30.8 m) and a deck 145 ft wide.

Who owns I-670 Ml over Over CSX RR?

It is owned by the State Highway Agency.