US Bridges

Johnstown RD over I-670 Ramp F

Good

Franklin County, Ohio · 1.34 MI W of IR270 · Structure no. 2518058

Built
1990
35 years old
Condition
Good
inspected November 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
46 ft
1 main span
Daily traffic
6,745
2018 count
Owner
State
State Highway Agency

About this bridge

Johnstown RD over I-670 Ramp F is a steel stringer/multi-beam or girder carrying Johnstown RD over I-670 Ramp F in Franklin County, Ohio. It was built in 1990, so it is 35 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 6,745 vehicles a day, roughly 7% of them trucks, projected to reach 155,761 by 2038. The structure is 46 ft (14.1 m) long and 42 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

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CarriesJohnstown RD
CrossesI-670 Ramp F
Location1.34 MI W of IR270
RouteCounty Highway C0377
CountyFranklin County
StateOhio
Coordinates40.00144, -82.92076
Functional classUrban Collector

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.
Substructure8 Very GoodNo problems noted.
Last inspectionNovember 2023
Inspection intervalevery 24 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 alignment7: Better than present minimum criteria
Operating rating36.8 US tons
Inventory rating28.2 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20 + Mod
Structure length46 ft (14.1 m)
Longest span45 ft (13.7 m)
Deck width42 ft (12.8 m)
Roadway width33 ft (10.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,745 (2018)
Projected traffic155,761 by 2038
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed3.1 mi (5 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 Johnstown RD over I-670 Ramp F built?

It was built in 1990, making it 35 years old in 2025.

What condition is Johnstown RD over I-670 Ramp F 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 November 2023.

How much traffic does Johnstown RD over I-670 Ramp F carry?

About 6,745 vehicles per day (2018 count), of which roughly 7% are trucks.

How long is Johnstown RD over I-670 Ramp F?

The structure is 46 ft (14.1 m) long with a longest span of 45 ft (13.7 m) and a deck 42 ft wide.

Who owns Johnstown RD over I-670 Ramp F?

It is owned by the State Highway Agency.