US Bridges

CR25A over Hemm and Leonard Ditch

Good

Miami County, Ohio · 0.06 S of Hemm RD · Structure no. 5537320

Built
1979
46 years old
Condition
Good
inspected May 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
23 ft
1 main span
Daily traffic
10,200
2015 count
Owner
County
County Highway Agency

About this bridge

CR25A over Hemm and Leonard Ditch is a prestressed concrete box beam or girders - multiple carrying CR25A over Hemm and Leonard Ditch in Miami County, Ohio. It was built in 1979, so it is 46 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 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 10,200 vehicles a day, roughly 3% of them trucks, projected to reach 14,158 by 2038. The structure is 23 ft (7 m) long and 67 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesCR25A
CrossesHemm and Leonard Ditch
Location0.06 S of Hemm RD
RouteCity Street 25
StateOhio
Coordinates40.1305, -84.23642
Functional classUrban Minor Arterial

Condition and inspection

Good

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum 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 alignment8: Equal to present desirable criteria
Operating rating64.3 US tons
Inventory rating49.6 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length23 ft (7 m)
Longest span21 ft (6.4 m)
Deck width67 ft (20.4 m)
Roadway width56 ft (17.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10,200 (2015)
Projected traffic14,158 by 2038
Trucks3%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.2 mi (2 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 CR25A over Hemm and Leonard Ditch built?

It was built in 1979, making it 46 years old in 2025.

What condition is CR25A over Hemm and Leonard 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 May 2023.

How much traffic does CR25A over Hemm and Leonard Ditch carry?

About 10,200 vehicles per day (2015 count), of which roughly 3% are trucks.

How long is CR25A over Hemm and Leonard Ditch?

The structure is 23 ft (7 m) long with a longest span of 21 ft (6.4 m) and a deck 67 ft wide.

Who owns CR25A over Hemm and Leonard Ditch?

It is owned by the County Highway Agency.