US Bridges

Oswalt-Good over Mississinawa River

Fair

Darke County, Ohio · .14 MI S Van Kirk · Structure no. 1953591

Built
1965
60 years old
Condition
Fair
inspected August 2024
Type
Slab
Concrete Continuous
Length
74 ft
3 main spans
Daily traffic
351
2015 count
Owner
County
County Highway Agency

About this bridge

Oswalt-Good over Mississinawa River is a concrete continuous slab carrying Oswalt-Good over Mississinawa River in Darke County, Ohio. It was built in 1965, so it is 60 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.

It carries about 351 vehicles a day, roughly 7% of them trucks, projected to reach 487 by 2035. The structure is 74 ft (22.6 m) long and 24 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesOswalt-Good
CrossesMississinawa River
Location.14 MI S Van Kirk
RouteCounty Highway T0105
CountyDarke County
StateOhio
Coordinates40.29134, -84.76616
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
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 statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating46.4 US tons
Inventory rating27.9 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadUnknown
Structure length74 ft (22.6 m)
Longest span28 ft (8.5 m)
Deck width24 ft (7.3 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic351 (2015)
Projected traffic487 by 2035
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 Oswalt-Good over Mississinawa River built?

It was built in 1965, making it 60 years old in 2025.

What condition is Oswalt-Good 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 Oswalt-Good over Mississinawa River carry?

About 351 vehicles per day (2015 count), of which roughly 7% are trucks.

How long is Oswalt-Good over Mississinawa River?

The structure is 74 ft (22.6 m) long with a longest span of 28 ft (8.5 m) and a deck 24 ft wide.

Who owns Oswalt-Good over Mississinawa River?

It is owned by the County Highway Agency.