US Bridges

County Road 110 over Flat Branch

Fair

Hardin County, Ohio · JCT of CR 110 & CR 75 · Structure no. 3330117

Built
2002
23 years old
Condition
Fair
inspected May 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
42 ft
1 main span
Daily traffic
744
2018 count
Owner
County
County Highway Agency

About this bridge

County Road 110 over Flat Branch is a steel stringer/multi-beam or girder carrying County Road 110 over Flat Branch in Hardin County, Ohio. It was built in 2002, so it is 23 years old, younger than the Ohio average of 47.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 744 vehicles a day, roughly 8% of them trucks, projected to reach 1,033 by 2038. The structure is 42 ft (12.8 m) long and 32 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesCounty Road 110
CrossesFlat Branch
LocationJCT of CR 110 & CR 75
RouteCounty Highway C0110
StateOhio
Coordinates40.67454, -83.77165
Functional classRural Minor Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck9 ExcellentNo problems noted.
Superstructure9 ExcellentNo problems noted.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionMay 2024
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating46.4 US tons
Inventory rating35.7 US tons

Structure

MaterialSteel
DeckCorrugated steel
Main spans1
Design loadHS 20
Structure length42 ft (12.8 m)
Longest span39 ft (11.9 m)
Deck width32 ft (9.8 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic744 (2018)
Projected traffic1,033 by 2038
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 110 over Flat Branch built?

It was built in 2002, making it 23 years old in 2025.

What condition is County Road 110 over Flat Branch in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in May 2024.

How much traffic does County Road 110 over Flat Branch carry?

About 744 vehicles per day (2018 count), of which roughly 8% are trucks.

How long is County Road 110 over Flat Branch?

The structure is 42 ft (12.8 m) long with a longest span of 39 ft (11.9 m) and a deck 32 ft wide.

Who owns County Road 110 over Flat Branch?

It is owned by the County Highway Agency.