US Bridges

Oregon Road over Blierdofer Ditch

Fair

Mercer County, Ohio · 0.1 MI W Hasis Road · Structure no. 5434866

Built
1960
65 years old, rebuilt 1996
Condition
Fair
inspected November 2024
Type
Box Beam or Girders - Multiple
Concrete
Length
30 ft
1 main span
Daily traffic
215
2015 count
Owner
County
County Highway Agency

About this bridge

Oregon Road over Blierdofer Ditch is a concrete box beam or girders - multiple carrying Oregon Road over Blierdofer Ditch in Mercer County, Ohio. It was built in 1960 and reconstructed in 1996, so it is 65 years old, older 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 215 vehicles a day, roughly 7% of them trucks, projected to reach 298 by 2035. The structure is 30 ft (9.1 m) long and 24 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

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CarriesOregon Road
CrossesBlierdofer Ditch
Location0.1 MI W Hasis Road
RouteCounty Highway C0180
CountyMercer County
StateOhio
Coordinates40.61144, -84.56538
Functional classRural Local

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.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2024
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating46.4 US tons
Inventory rating35.7 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialConcrete
DeckOther
Main spans1
Design loadH 20
Structure length30 ft (9.1 m)
Longest span27 ft (8.2 m)
Deck width24 ft (7.3 m)
Roadway width22 ft (6.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic215 (2015)
Projected traffic298 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 Oregon Road over Blierdofer Ditch built?

It was built in 1960, making it 65 years old in 2025. It was reconstructed in 1996.

What condition is Oregon 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 Oregon Road over Blierdofer Ditch carry?

About 215 vehicles per day (2015 count), of which roughly 7% are trucks.

How long is Oregon Road over Blierdofer Ditch?

The structure is 30 ft (9.1 m) long with a longest span of 27 ft (8.2 m) and a deck 24 ft wide.

Who owns Oregon Road over Blierdofer Ditch?

It is owned by the County Highway Agency.