US Bridges

Piqua-St. Marys RD over Branch of Koop Creek

Good

Auglaize County, Ohio · 0.9 MI S. of S.R. 219 · Structure no. 0636207

Built
1996
29 years old
Condition
Good
inspected April 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
49 ft
1 main span
Daily traffic
562
2022 count
Owner
County
County Highway Agency

About this bridge

Piqua-St. Marys RD over Branch of Koop Creek is a prestressed concrete box beam or girders - multiple carrying Piqua-St. Marys RD over Branch of Koop Creek in Auglaize County, Ohio. It was built in 1996, so it is 29 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 562 vehicles a day, roughly 2% of them trucks, projected to reach 687 by 2045. The structure is 49 ft (14.9 m) long and 30 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesPiqua-St. Marys RD
CrossesBranch of Koop Creek
Location0.9 MI S. of S.R. 219
RouteCounty Highway C066A
StateOhio
Coordinates40.48067, -84.398
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 inspectionApril 2023
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 adequacy9: Superior to present desirable criteria
Approach roadway alignment9: Superior to present desirable criteria
Operating rating72.5 US tons
Inventory rating43.5 US tons

Structure

MaterialPrestressed Concrete
DeckNot applicable
Main spans1
Design loadHS 20 + Mod
Structure length49 ft (14.9 m)
Longest span47 ft (14.2 m)
Deck width30 ft (9 m)
Roadway width28 ft (8.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic562 (2022)
Projected traffic687 by 2045
Trucks2%
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 Piqua-St. Marys RD over Branch of Koop Creek built?

It was built in 1996, making it 29 years old in 2025.

What condition is Piqua-St. Marys RD over Branch of Koop 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 April 2023.

How much traffic does Piqua-St. Marys RD over Branch of Koop Creek carry?

About 562 vehicles per day (2022 count), of which roughly 2% are trucks.

How long is Piqua-St. Marys RD over Branch of Koop Creek?

The structure is 49 ft (14.9 m) long with a longest span of 47 ft (14.2 m) and a deck 30 ft wide.

Who owns Piqua-St. Marys RD over Branch of Koop Creek?

It is owned by the County Highway Agency.