US Bridges

I-71 over SR-161

Fair

Franklin County, Ohio · 1.32 MI S of I-270 · Structure no. 2508257

Built
1959
66 years old, rebuilt 2001
Condition
Fair
inspected September 2024
Type
Slab
Concrete Continuous
Length
173 ft
4 main spans
Daily traffic
104,924
2015 count
Owner
State
State Highway Agency

About this bridge

I-71 over SR-161 is a concrete continuous slab carrying I-71 over SR-161 in Franklin County, Ohio. It was built in 1959 and reconstructed in 2001, so it is 66 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 5 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 104,924 vehicles a day, roughly 15% of them trucks, projected to reach 145,635 by 2035. The structure is 173 ft (52.6 m) long and 147 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesI-71
CrossesSR-161
Location1.32 MI S of I-270
RouteInterstate 71
StateOhio
Coordinates40.08739, -82.98729
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionSeptember 2024
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating50 US tons
Inventory rating28.5 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20 + Mod
Structure length173 ft (52.6 m)
Longest span48 ft (14.5 m)
Deck width147 ft (44.7 m)
Roadway width141 ft (43 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic104,924 (2015)
Projected traffic145,635 by 2035
Trucks15%
Lanes on structure3
Traffic directionTwo-way traffic
CarriesOverpass structure at an interchange
CrossesHighway
Detour if closed1.2 mi (2 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-71 over SR-161 built?

It was built in 1959, making it 66 years old in 2025. It was reconstructed in 2001.

What condition is I-71 over SR-161 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 September 2024.

How much traffic does I-71 over SR-161 carry?

About 104,924 vehicles per day (2015 count), of which roughly 15% are trucks.

How long is I-71 over SR-161?

The structure is 173 ft (52.6 m) long with a longest span of 48 ft (14.5 m) and a deck 147 ft wide.

Who owns I-71 over SR-161?

It is owned by the State Highway Agency.