US Bridges

Ohio-Ind over Mississinawa River

FairPosted for load

Darke County, Ohio · .70 MI N of Ellis · Structure no. 1952552

Built
1964
61 years old
Condition
Fair
inspected August 2024
Type
Slab
Concrete Continuous
Length
107 ft
3 main spans
Daily traffic
711
2015 count
Owner
County
County Highway Agency

About this bridge

Ohio-Ind over Mississinawa River is a concrete continuous slab carrying Ohio-Ind over Mississinawa River in Darke County, Ohio. It was built in 1964, so it is 61 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 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. Its operating status is: posted for load restriction.

It carries about 711 vehicles a day, roughly 7% of them trucks, projected to reach 987 by 2035. The structure is 107 ft (32.6 m) long and 24 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesOhio-Ind
CrossesMississinawa River
Location.70 MI N of Ellis
RouteCounty Highway C0012
CountyDarke County
StateOhio
Coordinates40.29198, -84.80388
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionAugust 2024
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating39.2 US tons
Inventory rating25 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadUnknown
Structure length107 ft (32.6 m)
Longest span40 ft (12.2 m)
Deck width24 ft (7.3 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic711 (2015)
Projected traffic987 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 Ohio-Ind over Mississinawa River built?

It was built in 1964, making it 61 years old in 2025.

What condition is Ohio-Ind over Mississinawa River 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 August 2024.

How much traffic does Ohio-Ind over Mississinawa River carry?

About 711 vehicles per day (2015 count), of which roughly 7% are trucks.

How long is Ohio-Ind over Mississinawa River?

The structure is 107 ft (32.6 m) long with a longest span of 40 ft (12.2 m) and a deck 24 ft wide.

Who owns Ohio-Ind over Mississinawa River?

It is owned by the County Highway Agency.