US Bridges

Mer Darke CO LN RD over Ward Ditch

Fair

Mercer County, Ohio · 0.4 MI E of SR118 · Structure no. 5443512

Built
1990
35 years old
Condition
Fair
inspected October 2024
Type
Box Beam or Girders - Single or Spread
Prestressed Concrete
Length
36 ft
1 main span
Daily traffic
445
2015 count
Owner
County
County Highway Agency

About this bridge

Mer Darke CO LN RD over Ward Ditch is a prestressed concrete box beam or girders - single or spread carrying Mer Darke CO LN RD over Ward Ditch in Mercer County, Ohio. It was built in 1990, so it is 35 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 445 vehicles a day, roughly 8% of them trucks, projected to reach 618 by 2035. The structure is 36 ft (11 m) long and 24 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

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CarriesMer Darke CO LN RD
CrossesWard Ditch
Location0.4 MI E of SR118
RouteCounty Highway C0000
CountyMercer County
StateOhio
Coordinates40.35174, -84.62531
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.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2024
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating46.4 US tons
Inventory rating35.7 US tons

Structure

Structure typeBox Beam or Girders - Single or Spread
MaterialPrestressed Concrete
DeckNot applicable
Main spans1
Design loadHS 20 + Mod
Structure length36 ft (11 m)
Longest span34 ft (10.4 m)
Deck width24 ft (7.3 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic445 (2015)
Projected traffic618 by 2035
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 Mer Darke CO LN RD over Ward Ditch built?

It was built in 1990, making it 35 years old in 2025.

What condition is Mer Darke CO LN RD over Ward 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 October 2024.

How much traffic does Mer Darke CO LN RD over Ward Ditch carry?

About 445 vehicles per day (2015 count), of which roughly 8% are trucks.

How long is Mer Darke CO LN RD over Ward Ditch?

The structure is 36 ft (11 m) long with a longest span of 34 ft (10.4 m) and a deck 24 ft wide.

Who owns Mer Darke CO LN RD over Ward Ditch?

It is owned by the County Highway Agency.