US Bridges

Johnstown RD over I-670 Ramp G

Fair

Franklin County, Ohio · 1.3 MI W of IR270 · Structure no. 2517973

Built
1990
35 years old
Condition
Fair
inspected December 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
67 ft
1 main span
Daily traffic
5,155
2015 count
Owner
State
State Highway Agency

About this bridge

Johnstown RD over I-670 Ramp G is a steel stringer/multi-beam or girder carrying Johnstown RD over I-670 Ramp G 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 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 5,155 vehicles a day, roughly 7% of them trucks, projected to reach 155,761 by 2035. The structure is 67 ft (20.3 m) long and 42 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesJohnstown RD
CrossesI-670 Ramp G
Location1.3 MI W of IR270
RouteCounty Highway C0377
CountyFranklin County
StateOhio
Coordinates40.00175, -82.92019
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
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure8 Very GoodNo problems noted.
Last inspectionDecember 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 alignment6: Equal to present minimum criteria
Operating rating46.1 US tons
Inventory rating35.4 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20 + Mod
Structure length67 ft (20.3 m)
Longest span65 ft (19.8 m)
Deck width42 ft (12.8 m)
Roadway width33 ft (10.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,155 (2015)
Projected traffic155,761 by 2035
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 G built?

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

What condition is Johnstown RD over I-670 Ramp G 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 December 2024.

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

About 5,155 vehicles per day (2015 count), of which roughly 7% are trucks.

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

The structure is 67 ft (20.3 m) long with a longest span of 65 ft (19.8 m) and a deck 42 ft wide.

Who owns Johnstown RD over I-670 Ramp G?

It is owned by the State Highway Agency.