US Bridges

Allison Mill RD over Hopewell Creek

Good

Preble County, Ohio · 1st Bridge West of CH21 · Structure no. 6836623

Built
2013
12 years old
Condition
Good
inspected March 2024
Type
Box Beam or Girders - Multiple
Concrete
Length
31 ft
1 main span
Daily traffic
324
2015 count
Owner
County
County Highway Agency

About this bridge

Allison Mill RD over Hopewell Creek is a concrete box beam or girders - multiple carrying Allison Mill RD over Hopewell Creek 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 324 vehicles a day, roughly 7% of them trucks, projected to reach 450 by 2037. The structure is 31 ft (9.4 m) long and 24 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesAllison Mill RD
CrossesHopewell Creek
Location1st Bridge West of CH21
RouteCounty Highway T0253
StateOhio
Coordinates39.6794, -84.72782
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionMarch 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 rating86.8 US tons
Inventory rating66.8 US tons

Structure

MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length31 ft (9.4 m)
Longest span27 ft (8.2 m)
Deck width24 ft (7.3 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic324 (2015)
Projected traffic450 by 2037
Trucks7%
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 Allison Mill RD over Hopewell Creek built?

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

What condition is Allison Mill RD over Hopewell 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 March 2024.

How much traffic does Allison Mill RD over Hopewell Creek carry?

About 324 vehicles per day (2015 count), of which roughly 7% are trucks.

How long is Allison Mill RD over Hopewell Creek?

The structure is 31 ft (9.4 m) long with a longest span of 27 ft (8.2 m) and a deck 24 ft wide.

Who owns Allison Mill RD over Hopewell Creek?

It is owned by the County Highway Agency.