US Bridges

Johnston Slagle RD over Apple Dormire Ditch

Good

Shelby County, Ohio · .2 MI North of Deweese RD · Structure no. 7537794

Built
2020
5 years old
Condition
Good
inspected September 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
23 ft
1 main span
Daily traffic
132
2020 count
Owner
County
County Highway Agency

About this bridge

Johnston Slagle RD over Apple Dormire Ditch is a prestressed concrete box beam or girders - multiple carrying Johnston Slagle RD over Apple Dormire Ditch in Shelby County, Ohio. It was built in 2020, so it is 5 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 132 vehicles a day, roughly 10% of them trucks, projected to reach 140 by 2040. The structure is 23 ft (6.9 m) long and 24 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

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CarriesJohnston Slagle RD
CrossesApple Dormire Ditch
Location.2 MI North of Deweese RD
RouteCounty Highway T0032
CountyShelby County
StateOhio
Coordinates40.31328, -84.05951
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 inspectionSeptember 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 adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating55 US tons
Inventory rating42.5 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length23 ft (6.9 m)
Longest span22 ft (6.6 m)
Deck width24 ft (7.3 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic132 (2020)
Projected traffic140 by 2040
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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$80 million
NavigationNo navigation control on waterway

Frequently asked questions

When was Johnston Slagle RD over Apple Dormire Ditch built?

It was built in 2020, making it 5 years old in 2025.

What condition is Johnston Slagle RD over Apple Dormire Ditch 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 Johnston Slagle RD over Apple Dormire Ditch carry?

About 132 vehicles per day (2020 count), of which roughly 10% are trucks.

How long is Johnston Slagle RD over Apple Dormire Ditch?

The structure is 23 ft (6.9 m) long with a longest span of 22 ft (6.6 m) and a deck 24 ft wide.

Who owns Johnston Slagle RD over Apple Dormire Ditch?

It is owned by the County Highway Agency.