US Bridges

Piqua-Troy over Shroyer Ditch

Good

Miami County, Ohio · 0.08 N of CR 16 · Structure no. 5537258

Built
1977
48 years old
Condition
Good
inspected March 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
33 ft
1 main span
Daily traffic
2,235
2015 count
Owner
County
County Highway Agency

About this bridge

Piqua-Troy over Shroyer Ditch is a prestressed concrete box beam or girders - multiple carrying Piqua-Troy over Shroyer Ditch in Miami County, Ohio. It was built in 1977, so it is 48 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 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 2,235 vehicles a day, roughly 11% of them trucks, projected to reach 3,102 by 2038. The structure is 33 ft (10.1 m) long and 28 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesPiqua-Troy
CrossesShroyer Ditch
Location0.08 N of CR 16
RouteCounty Highway 15
CountyMiami County
StateOhio
Coordinates40.11167, -84.225
Functional classUrban Collector

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 inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating64.6 US tons
Inventory rating49.6 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length33 ft (10.1 m)
Longest span31 ft (9.4 m)
Deck width28 ft (8.6 m)
Roadway width28 ft (8.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,235 (2015)
Projected traffic3,102 by 2038
Trucks11%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 Piqua-Troy over Shroyer Ditch built?

It was built in 1977, making it 48 years old in 2025.

What condition is Piqua-Troy over Shroyer 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 March 2024.

How much traffic does Piqua-Troy over Shroyer Ditch carry?

About 2,235 vehicles per day (2015 count), of which roughly 11% are trucks.

How long is Piqua-Troy over Shroyer Ditch?

The structure is 33 ft (10.1 m) long with a longest span of 31 ft (9.4 m) and a deck 28 ft wide.

Who owns Piqua-Troy over Shroyer Ditch?

It is owned by the County Highway Agency.