US Bridges

Hemple Road C0046 over Little Twin Creek

Good

Montgomery County, Ohio · 1.8 MI W Diamond Mill RD · Structure no. 5738121

Built
1955
70 years old, rebuilt 2015
Condition
Good
inspected August 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
37 ft
1 main span
Daily traffic
736
2017 count
Owner
County
County Highway Agency

About this bridge

Hemple Road C0046 over Little Twin Creek is a prestressed concrete box beam or girders - multiple carrying Hemple Road C0046 over Little Twin Creek in Montgomery County, Ohio. It was built in 1955 and reconstructed in 2015, so it is 70 years old, older 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 736 vehicles a day, roughly 10% of them trucks, projected to reach 1,022 by 2037. The structure is 37 ft (11.3 m) long and 28 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesHemple Road C0046
CrossesLittle Twin Creek
Location1.8 MI W Diamond Mill RD
RouteCounty Highway C0046
StateOhio
Coordinates39.68504, -84.40196
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 protection7 GoodSome minor problems.
Last inspectionAugust 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 rating59 US tons
Inventory rating45.7 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length37 ft (11.3 m)
Longest span34 ft (10.4 m)
Deck width28 ft (8.5 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic736 (2017)
Projected traffic1,022 by 2037
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—
NavigationNo navigation control on waterway

Frequently asked questions

When was Hemple Road C0046 over Little Twin Creek built?

It was built in 1955, making it 70 years old in 2025. It was reconstructed in 2015.

What condition is Hemple Road C0046 over Little Twin Creek 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 August 2024.

How much traffic does Hemple Road C0046 over Little Twin Creek carry?

About 736 vehicles per day (2017 count), of which roughly 10% are trucks.

How long is Hemple Road C0046 over Little Twin Creek?

The structure is 37 ft (11.3 m) long with a longest span of 34 ft (10.4 m) and a deck 28 ft wide.

Who owns Hemple Road C0046 over Little Twin Creek?

It is owned by the County Highway Agency.