US Bridges

Gemini Pl over IR-71

Good

Delaware County, Ohio · 0.5 MI North of Polaris · Structure no. 2102293

Built
2006
19 years old
Condition
Good
inspected September 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
190 ft
2 main spans
Daily traffic
30,620
2016 count
Owner
State
State Highway Agency

About this bridge

Gemini Pl over IR-71 is a steel continuous stringer/multi-beam or girder carrying Gemini Pl over IR-71 in Delaware County, Ohio. It was built in 2006, so it is 19 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 30,620 vehicles a day, roughly 7% of them trucks, projected to reach 42,501 by 2036. The structure is 190 ft (57.9 m) long and 105 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesGemini Pl
CrossesIR-71
Location0.5 MI North of Polaris
RouteCounty Highway 71
StateOhio
Coordinates40.14818, -82.97092
Functional classUrban Principal Arterial - Interstate

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure9 ExcellentNo problems noted.
Substructure8 Very GoodNo problems noted.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation8: Equal to present desirable criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating64.6 US tons
Inventory rating50 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 25 or greater
Structure length190 ft (57.9 m)
Longest span103 ft (31.4 m)
Deck width105 ft (31.9 m)
Roadway width96 ft (29.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic30,620 (2016)
Projected traffic42,501 by 2036
Trucks7%
Lanes on structure6
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
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 Gemini Pl over IR-71 built?

It was built in 2006, making it 19 years old in 2025.

What condition is Gemini Pl over IR-71 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 September 2024.

How much traffic does Gemini Pl over IR-71 carry?

About 30,620 vehicles per day (2016 count), of which roughly 7% are trucks.

How long is Gemini Pl over IR-71?

The structure is 190 ft (57.9 m) long with a longest span of 103 ft (31.4 m) and a deck 105 ft wide.

Who owns Gemini Pl over IR-71?

It is owned by the State Highway Agency.