US Bridges

Horseshoe RD T186 over IR-71

Fair

Clinton County, Ohio · 1.3 MI N of SR 134 · Structure no. 1401777

Built
1964
61 years old
Condition
Fair
inspected December 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
309 ft
4 main spans
Daily traffic
51
2016 count
Owner
State
State Highway Agency

About this bridge

Horseshoe RD T186 over IR-71 is a steel continuous stringer/multi-beam or girder carrying Horseshoe RD T186 over IR-71 in Clinton County, Ohio. It was built in 1964, so it is 61 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 51 vehicles a day, roughly 10% of them trucks, projected to reach 71 by 2036. The structure is 309 ft (94.2 m) long and 31 ft wide.

CarriesHorseshoe RD T186
CrossesIR-71
Location1.3 MI N of SR 134
RouteCounty Highway 186
StateOhio
Coordinates39.53464, -83.78763
Functional classRural 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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionDecember 2024
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating42.5 US tons
Inventory rating32.8 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadH 15
Structure length309 ft (94.2 m)
Longest span90 ft (27.4 m)
Deck width31 ft (9.4 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic51 (2016)
Projected traffic71 by 2036
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed—
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 Horseshoe RD T186 over IR-71 built?

It was built in 1964, making it 61 years old in 2025.

What condition is Horseshoe RD T186 over IR-71 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 Horseshoe RD T186 over IR-71 carry?

About 51 vehicles per day (2016 count), of which roughly 10% are trucks.

How long is Horseshoe RD T186 over IR-71?

The structure is 309 ft (94.2 m) long with a longest span of 90 ft (27.4 m) and a deck 31 ft wide.

Who owns Horseshoe RD T186 over IR-71?

It is owned by the State Highway Agency.