US Bridges

Township Road 55 over Harpster #1082 Ditch

Good

Hardin County, Ohio · .2 MI N of JCT of CR 190 · Structure no. 3331653

Built
2021
4 years old
Condition
Good
inspected May 2024
Type
Box Beam or Girders - Multiple
Concrete
Length
30 ft
1 main span
Daily traffic
230
2017 count
Owner
County
County Highway Agency

About this bridge

Township Road 55 over Harpster #1082 Ditch is a concrete box beam or girders - multiple carrying Township Road 55 over Harpster #1082 Ditch in Hardin County, Ohio. It was built in 2021, so it is 4 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 9 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 230 vehicles a day, roughly 7% of them trucks, projected to reach 318 by 2037. The structure is 30 ft (9.2 m) long and 24 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesTownship Road 55
CrossesHarpster #1082 Ditch
Location.2 MI N of JCT of CR 190
RouteCounty Highway T0055
CountyHardin County
StateOhio
Coordinates40.56684, -83.80202
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
Deck9 ExcellentNo problems noted.
Superstructure9 ExcellentNo problems noted.
Substructure9 ExcellentNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation9: Superior to present desirable criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating73.2 US tons
Inventory rating44 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 15
Structure length30 ft (9.2 m)
Longest span26 ft (8 m)
Deck width24 ft (7.4 m)
Roadway width24 ft (7.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic230 (2017)
Projected traffic318 by 2037
Trucks7%
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 Township Road 55 over Harpster #1082 Ditch built?

It was built in 2021, making it 4 years old in 2025.

What condition is Township Road 55 over Harpster #1082 Ditch 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 Township Road 55 over Harpster #1082 Ditch carry?

About 230 vehicles per day (2017 count), of which roughly 7% are trucks.

How long is Township Road 55 over Harpster #1082 Ditch?

The structure is 30 ft (9.2 m) long with a longest span of 26 ft (8 m) and a deck 24 ft wide.

Who owns Township Road 55 over Harpster #1082 Ditch?

It is owned by the County Highway Agency.