US Bridges

Ridge Rd. over Leatherwood Ditch Ridge

Good

Allen County, Ohio · 0.14 MI E of Leatherwood · Structure no. 0241245

Built
1973
52 years old
Condition
Good
inspected May 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
42 ft
1 main span
Daily traffic
180
2015 count
Owner
County
County Highway Agency

About this bridge

Ridge Rd. over Leatherwood Ditch Ridge is a prestressed concrete box beam or girders - multiple carrying Ridge Rd. over Leatherwood Ditch Ridge in Allen County, Ohio. It was built in 1973, so it is 52 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 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 180 vehicles a day, roughly 8% of them trucks, projected to reach 250 by 2035. The structure is 42 ft (12.8 m) long and 28 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesRidge Rd.
CrossesLeatherwood Ditch Ridge
Location0.14 MI E of Leatherwood
RouteCounty Highway C0061
StateOhio
Coordinates40.83422, -84.22672
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 protection7 GoodSome minor problems.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
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 rating71.8 US tons
Inventory rating42.9 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20 + Mod
Structure length42 ft (12.8 m)
Longest span40 ft (12.2 m)
Deck width28 ft (8.5 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic180 (2015)
Projected traffic250 by 2035
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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 Ridge Rd. over Leatherwood Ditch Ridge built?

It was built in 1973, making it 52 years old in 2025.

What condition is Ridge Rd. over Leatherwood Ditch Ridge 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 May 2024.

How much traffic does Ridge Rd. over Leatherwood Ditch Ridge carry?

About 180 vehicles per day (2015 count), of which roughly 8% are trucks.

How long is Ridge Rd. over Leatherwood Ditch Ridge?

The structure is 42 ft (12.8 m) long with a longest span of 40 ft (12.2 m) and a deck 28 ft wide.

Who owns Ridge Rd. over Leatherwood Ditch Ridge?

It is owned by the County Highway Agency.