US Bridges

Mangen RD over Magoto Dt

Good

Darke County, Ohio · .2 MI S N Star-Ft Loramie · Structure no. 1955306

Built
1995
30 years old
Condition
Good
inspected September 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
52 ft
1 main span
Daily traffic
477
2015 count
Owner
County
County Highway Agency

About this bridge

Mangen RD over Magoto Dt is a prestressed concrete box beam or girders - multiple carrying Mangen RD over Magoto Dt in Darke County, Ohio. It was built in 1995, so it is 30 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 477 vehicles a day, roughly 8% of them trucks, projected to reach 662 by 2035. The structure is 52 ft (15.9 m) long and 28 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesMangen RD
CrossesMagoto Dt
Location.2 MI S N Star-Ft Loramie
RouteCounty Highway C0054
StateOhio
Coordinates40.32046, -84.53408
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 inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations on dry land well above flood water elevations
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 alignment8: Equal to present desirable criteria
Operating rating71.4 US tons
Inventory rating41.1 US tons

Structure

MaterialPrestressed Concrete
DeckOther
Main spans1
Design loadHS 20 + Mod
Structure length52 ft (15.9 m)
Longest span47 ft (14.3 m)
Deck width28 ft (8.5 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic477 (2015)
Projected traffic662 by 2035
Trucks8%
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 Mangen RD over Magoto Dt built?

It was built in 1995, making it 30 years old in 2025.

What condition is Mangen RD over Magoto Dt 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 September 2023.

How much traffic does Mangen RD over Magoto Dt carry?

About 477 vehicles per day (2015 count), of which roughly 8% are trucks.

How long is Mangen RD over Magoto Dt?

The structure is 52 ft (15.9 m) long with a longest span of 47 ft (14.3 m) and a deck 28 ft wide.

Who owns Mangen RD over Magoto Dt?

It is owned by the County Highway Agency.