US Bridges

I.R. 670 over Ir 70WB

Fair

Franklin County, Ohio · 0.65 MI W of Usr 33 · Structure no. 2504340

Built
1972
53 years old
Condition
Fair
inspected December 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
93 ft
1 main span
Daily traffic
75,912
2015 count
Owner
State
State Highway Agency

About this bridge

I.R. 670 over Ir 70WB is a steel stringer/multi-beam or girder carrying I.R. 670 over Ir 70WB in Franklin County, Ohio. It was built in 1972, so it is 53 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 75,912 vehicles a day, roughly 6% of them trucks, projected to reach 105,366 by 2035. The structure is 93 ft (28.2 m) long and 118 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesI.R. 670
CrossesIr 70WB
Location0.65 MI W of Usr 33
RouteInterstate 670
CountyFranklin County
StateOhio
Coordinates39.96758, -83.06086
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionDecember 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 rating51.5 US tons
Inventory rating39.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20 + Mod
Structure length93 ft (28.2 m)
Longest span85 ft (26 m)
Deck width118 ft (36.1 m)
Roadway width115 ft (35.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic75,912 (2015)
Projected traffic105,366 by 2035
Trucks6%
Lanes on structure6
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.9 mi (3 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.R. 670 over Ir 70WB built?

It was built in 1972, making it 53 years old in 2025.

What condition is I.R. 670 over Ir 70WB 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 I.R. 670 over Ir 70WB carry?

About 75,912 vehicles per day (2015 count), of which roughly 6% are trucks.

How long is I.R. 670 over Ir 70WB?

The structure is 93 ft (28.2 m) long with a longest span of 85 ft (26 m) and a deck 118 ft wide.

Who owns I.R. 670 over Ir 70WB?

It is owned by the State Highway Agency.