US Bridges

Manning Road over Wabash River

Good

Darke County, Ohio · .4 MI South of SR 705 · Structure no. 1953958

Built
1992
33 years old
Condition
Good
inspected July 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
66 ft
1 main span
Daily traffic
351
2015 count
Owner
County
County Highway Agency

About this bridge

Manning Road over Wabash River is a prestressed concrete box beam or girders - multiple carrying Manning Road over Wabash River in Darke County, Ohio. It was built in 1992, so it is 33 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 351 vehicles a day, roughly 7% of them trucks, projected to reach 487 by 2035. The structure is 66 ft (20.1 m) long and 28 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesManning Road
CrossesWabash River
Location.4 MI South of SR 705
RouteCounty Highway T0315
StateOhio
Coordinates40.33077, -84.68419
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 inspectionJuly 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 geometry6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating77.8 US tons
Inventory rating46.4 US tons

Structure

MaterialPrestressed Concrete
DeckNot applicable
Main spans1
Design loadHS 20 + Mod
Structure length66 ft (20.1 m)
Longest span64 ft (19.5 m)
Deck width28 ft (8.5 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic351 (2015)
Projected traffic487 by 2035
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 Manning Road over Wabash River built?

It was built in 1992, making it 33 years old in 2025.

What condition is Manning Road over Wabash River 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 July 2023.

How much traffic does Manning Road over Wabash River carry?

About 351 vehicles per day (2015 count), of which roughly 7% are trucks.

How long is Manning Road over Wabash River?

The structure is 66 ft (20.1 m) long with a longest span of 64 ft (19.5 m) and a deck 28 ft wide.

Who owns Manning Road over Wabash River?

It is owned by the County Highway Agency.