US Bridges

Barnets Mill RD over Seven Mile

Good

Preble County, Ohio · Just East of RR Tracks · Structure no. 6835961

Built
2013
12 years old
Condition
Good
inspected December 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete Continuous
Length
153 ft
2 main spans
Daily traffic
477
2015 count
Owner
County
County Highway Agency

About this bridge

Barnets Mill RD over Seven Mile is a prestressed concrete continuous box beam or girders - multiple carrying Barnets Mill RD over Seven Mile in Preble County, Ohio. It was built in 2013, so it is 12 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 477 vehicles a day, roughly 8% of them trucks, projected to reach 662 by 2035. The structure is 153 ft (46.6 m) long and 28 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesBarnets Mill RD
CrossesSeven Mile
LocationJust East of RR Tracks
RouteCounty Highway C0080
StateOhio
Coordinates39.64671, -84.62961
Functional classRural Local

Condition and inspection

Good

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

ComponentRatingMeaning
Deck9 ExcellentNo problems noted.
Superstructure9 ExcellentNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating71.4 US tons
Inventory rating55 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHL 93
Structure length153 ft (46.6 m)
Longest span90 ft (27.4 m)
Deck width28 ft (8.5 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic477 (2015)
Projected traffic662 by 2035
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Barnets Mill RD over Seven Mile built?

It was built in 2013, making it 12 years old in 2025.

What condition is Barnets Mill RD over Seven Mile 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 December 2024.

How much traffic does Barnets Mill RD over Seven Mile carry?

About 477 vehicles per day (2015 count), of which roughly 8% are trucks.

How long is Barnets Mill RD over Seven Mile?

The structure is 153 ft (46.6 m) long with a longest span of 90 ft (27.4 m) and a deck 28 ft wide.

Who owns Barnets Mill RD over Seven Mile?

It is owned by the County Highway Agency.