US Bridges

Han CO RD 304 over Flat Branch

Good

Hancock County, Ohio · 0.32 MI E TR 177 · Structure no. 3236366

Built
1995
30 years old
Condition
Good
inspected November 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
37 ft
1 main span
Daily traffic
251
2017 count
Owner
County
County Highway Agency

About this bridge

Han CO RD 304 over Flat Branch is a prestressed concrete box beam or girders - multiple carrying Han CO RD 304 over Flat Branch in Hancock County, Ohio. It was built in 1995, so it is 30 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 251 vehicles a day, roughly 10% of them trucks, projected to reach 348 by 2037. The structure is 37 ft (11.3 m) long and 48 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesHan CO RD 304
CrossesFlat Branch
Location0.32 MI E TR 177
RouteCounty Highway C0304
StateOhio
Coordinates40.8339, -83.62745
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionNovember 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 geometry9: Superior to present desirable criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment9: Superior to present desirable criteria
Operating rating53.6 US tons
Inventory rating39.2 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20 + Mod
Structure length37 ft (11.3 m)
Longest span36 ft (11 m)
Deck width48 ft (14.6 m)
Roadway width48 ft (14.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic251 (2017)
Projected traffic348 by 2037
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 Flat Branch built?

It was built in 1995, making it 30 years old in 2025.

What condition is Han CO RD 304 over Flat Branch 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 November 2023.

How much traffic does Han CO RD 304 over Flat Branch carry?

About 251 vehicles per day (2017 count), of which roughly 10% are trucks.

How long is Han CO RD 304 over Flat Branch?

The structure is 37 ft (11.3 m) long with a longest span of 36 ft (11 m) and a deck 48 ft wide.

Who owns Han CO RD 304 over Flat Branch?

It is owned by the County Highway Agency.