US Bridges

Sonora RD over Twin Creek

Good

Preble County, Ohio · 0.30 MI E of Yohe RD · Structure no. 6837256

Built
2022
3 years old
Condition
Good
inspected June 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
110 ft
1 main span
Daily traffic
26
2022 count
Owner
County
County Highway Agency

About this bridge

Sonora RD over Twin Creek is a prestressed concrete box beam or girders - multiple carrying Sonora RD over Twin Creek in Preble County, Ohio. It was built in 2022, so it is 3 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 9 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 26 vehicles a day, roughly 5% of them trucks, projected to reach 150 by 2042. The structure is 110 ft (33.5 m) long and 24 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesSonora RD
CrossesTwin Creek
Location0.30 MI E of Yohe RD
RouteCounty Highway 445
StateOhio
Coordinates39.8876, -84.59012
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.
Substructure9 ExcellentNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJune 2024
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating50.4 US tons
Inventory rating28.5 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length110 ft (33.5 m)
Longest span104 ft (31.7 m)
Deck width24 ft (7.3 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic26 (2022)
Projected traffic150 by 2042
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Sonora RD over Twin Creek built?

It was built in 2022, making it 3 years old in 2025.

What condition is Sonora RD over 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 June 2024.

How much traffic does Sonora RD over Twin Creek carry?

About 26 vehicles per day (2022 count), of which roughly 5% are trucks.

How long is Sonora RD over Twin Creek?

The structure is 110 ft (33.5 m) long with a longest span of 104 ft (31.7 m) and a deck 24 ft wide.

Who owns Sonora RD over Twin Creek?

It is owned by the County Highway Agency.