US Bridges

Harrison RD over IR-70 & IR-670

Fair

Franklin County, Ohio · 0.21 MI W. of IR670 · Structure no. 2504324

Built
1973
52 years old
Condition
Fair
inspected August 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
410 ft
4 main spans
Daily traffic
3,295
2017 count
Owner
State
State Highway Agency

About this bridge

Harrison RD over IR-70 & IR-670 is a steel continuous stringer/multi-beam or girder carrying Harrison RD over IR-70 & IR-670 in Franklin County, Ohio. It was built in 1973, so it is 52 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 3,295 vehicles a day, roughly 1% of them trucks, projected to reach 4,573 by 2037. The structure is 410 ft (125.1 m) long and 38 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesHarrison RD
CrossesIR-70 & IR-670
Location0.21 MI W. of IR670
RouteCity Street M984A
CountyFranklin County
StateOhio
Coordinates39.96897, -83.06807
Functional classUrban Local

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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Last inspectionAugust 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 alignment8: Equal to present desirable criteria
Operating rating39.2 US tons
Inventory rating32.2 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length410 ft (125.1 m)
Longest span146 ft (44.4 m)
Deck width38 ft (11.6 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,295 (2017)
Projected traffic4,573 by 2037
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed1.2 mi (2 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 Harrison RD over IR-70 & IR-670 built?

It was built in 1973, making it 52 years old in 2025.

What condition is Harrison RD over IR-70 & IR-670 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 August 2024.

How much traffic does Harrison RD over IR-70 & IR-670 carry?

About 3,295 vehicles per day (2017 count), of which roughly 1% are trucks.

How long is Harrison RD over IR-70 & IR-670?

The structure is 410 ft (125.1 m) long with a longest span of 146 ft (44.4 m) and a deck 38 ft wide.

Who owns Harrison RD over IR-70 & IR-670?

It is owned by the State Highway Agency.