US Bridges

CR12 Troy-Frederic over Strock Ditch/Brush Creek

Good

Miami County, Ohio · 0.75 Mi. N. of TR249 · Structure no. 5530490

Built
2013
12 years old
Condition
Good
inspected January 2025
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
40 ft
1 main span
Daily traffic
393
2015 count
Owner
County
County Highway Agency

About this bridge

CR12 Troy-Frederic over Strock Ditch/Brush Creek is a prestressed concrete box beam or girders - multiple carrying CR12 Troy-Frederic over Strock Ditch/Brush Creek in Miami 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 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 393 vehicles a day, roughly 7% of them trucks, projected to reach 545 by 2038. The structure is 40 ft (12.2 m) long and 32 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesCR12 Troy-Frederic
CrossesStrock Ditch/Brush Creek
Location0.75 Mi. N. of TR249
RouteCounty Highway 12
CountyMiami County
StateOhio
Coordinates39.945, -84.25337
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 protection9 ExcellentNo problems noted.
Last inspectionJanuary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation9: Superior to present desirable criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating94.7 US tons
Inventory rating72.9 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length40 ft (12.2 m)
Longest span39 ft (11.9 m)
Deck width32 ft (9.8 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic393 (2015)
Projected traffic545 by 2038
Trucks7%
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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was CR12 Troy-Frederic over Strock Ditch/Brush Creek built?

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

What condition is CR12 Troy-Frederic over Strock Ditch/Brush 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 January 2025.

How much traffic does CR12 Troy-Frederic over Strock Ditch/Brush Creek carry?

About 393 vehicles per day (2015 count), of which roughly 7% are trucks.

How long is CR12 Troy-Frederic over Strock Ditch/Brush Creek?

The structure is 40 ft (12.2 m) long with a longest span of 39 ft (11.9 m) and a deck 32 ft wide.

Who owns CR12 Troy-Frederic over Strock Ditch/Brush Creek?

It is owned by the County Highway Agency.