US Bridges

Han CO RD 304 over Robenolte Jt CO Ditch

Good

Hancock County, Ohio · 0.14 MI E TR 51 · Structure no. 3235955

Built
1979
46 years old
Condition
Good
inspected October 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
29 ft
1 main span
Daily traffic
517
2017 count
Owner
County
County Highway Agency

About this bridge

Han CO RD 304 over Robenolte Jt CO Ditch is a prestressed concrete box beam or girders - multiple carrying Han CO RD 304 over Robenolte Jt CO Ditch in Hancock County, Ohio. It was built in 1979, so it is 46 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 517 vehicles a day, roughly 1% of them trucks, projected to reach 718 by 2037. The structure is 29 ft (8.7 m) long and 44 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesHan CO RD 304
CrossesRobenolte Jt CO Ditch
Location0.14 MI E TR 51
RouteCounty Highway C0304
StateOhio
Coordinates40.83439, -83.85956
Functional classRural Major Collector

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.
Substructure7 GoodSome minor problems.
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionOctober 2023
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 geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating39.2 US tons
Inventory rating32.2 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length29 ft (8.7 m)
Longest span27 ft (8.2 m)
Deck width44 ft (13.4 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic517 (2017)
Projected traffic718 by 2037
Trucks1%
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 Han CO RD 304 over Robenolte Jt CO Ditch built?

It was built in 1979, making it 46 years old in 2025.

What condition is Han CO RD 304 over Robenolte Jt CO 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 October 2023.

How much traffic does Han CO RD 304 over Robenolte Jt CO Ditch carry?

About 517 vehicles per day (2017 count), of which roughly 1% are trucks.

How long is Han CO RD 304 over Robenolte Jt CO Ditch?

The structure is 29 ft (8.7 m) long with a longest span of 27 ft (8.2 m) and a deck 44 ft wide.

Who owns Han CO RD 304 over Robenolte Jt CO Ditch?

It is owned by the County Highway Agency.