US Bridges

Howick Road over Blierdofer Ditch

Fair

Mercer County, Ohio · 0.1 MI East of Stose Road · Structure no. 5435544

Built
1998
27 years old
Condition
Fair
inspected November 2024
Type
Box Beam or Girders - Multiple
Concrete
Length
31 ft
1 main span
Daily traffic
433
2015 count
Owner
County
County Highway Agency

About this bridge

Howick Road over Blierdofer Ditch is a concrete box beam or girders - multiple carrying Howick Road over Blierdofer Ditch in Mercer County, Ohio. It was built in 1998, so it is 27 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 6 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 433 vehicles a day, roughly 7% of them trucks, projected to reach 601 by 2035. The structure is 31 ft (9.4 m) long and 30 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesHowick Road
CrossesBlierdofer Ditch
Location0.1 MI East of Stose Road
RouteCounty Highway C160B
CountyMercer County
StateOhio
Coordinates40.58225, -84.55058
Functional classRural Major 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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionNovember 2024
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourFoundations on dry land well above flood water elevations
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment9: Superior to present desirable criteria
Operating rating46.4 US tons
Inventory rating35.7 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialConcrete
DeckOther
Main spans1
Design loadHS 20
Structure length31 ft (9.4 m)
Longest span30 ft (9.1 m)
Deck width30 ft (9.1 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic433 (2015)
Projected traffic601 by 2035
Trucks7%
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 Howick Road over Blierdofer Ditch built?

It was built in 1998, making it 27 years old in 2025.

What condition is Howick Road over Blierdofer Ditch 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 November 2024.

How much traffic does Howick Road over Blierdofer Ditch carry?

About 433 vehicles per day (2015 count), of which roughly 7% are trucks.

How long is Howick Road over Blierdofer Ditch?

The structure is 31 ft (9.4 m) long with a longest span of 30 ft (9.1 m) and a deck 30 ft wide.

Who owns Howick Road over Blierdofer Ditch?

It is owned by the County Highway Agency.