US Bridges

County Road 75 over Ditch Twenty Eight

Good

Hardin County, Ohio · .6 MI N of JCT of CR 30 · Structure no. 3338371

Built
1985
40 years old
Condition
Good
inspected June 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
49 ft
1 main span
Daily traffic
129
2015 count
Owner
County
County Highway Agency

About this bridge

County Road 75 over Ditch Twenty Eight is a prestressed concrete box beam or girders - multiple carrying County Road 75 over Ditch Twenty Eight in Hardin County, Ohio. It was built in 1985, so it is 40 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 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 129 vehicles a day, roughly 8% of them trucks, projected to reach 179 by 2035. The structure is 49 ft (14.9 m) long and 24 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesCounty Road 75
CrossesDitch Twenty Eight
Location.6 MI N of JCT of CR 30
RouteCounty Highway 75
StateOhio
Coordinates40.80002, -83.7665
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJune 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 geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment9: Superior to present desirable criteria
Operating rating78.9 US tons
Inventory rating47.2 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length49 ft (14.9 m)
Longest span46 ft (14 m)
Deck width24 ft (7.4 m)
Roadway width24 ft (7.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic129 (2015)
Projected traffic179 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 County Road 75 over Ditch Twenty Eight built?

It was built in 1985, making it 40 years old in 2025.

What condition is County Road 75 over Ditch Twenty Eight 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 June 2024.

How much traffic does County Road 75 over Ditch Twenty Eight carry?

About 129 vehicles per day (2015 count), of which roughly 8% are trucks.

How long is County Road 75 over Ditch Twenty Eight?

The structure is 49 ft (14.9 m) long with a longest span of 46 ft (14 m) and a deck 24 ft wide.

Who owns County Road 75 over Ditch Twenty Eight?

It is owned by the County Highway Agency.