US Bridges

Township Road 163 over Muskrat Ditch

Good

Marion County, Ohio · .7 MI NE of JCT CR 172 · Structure no. 5137845

Built
1983
42 years old
Condition
Good
inspected August 2024
Type
Culvert
Steel
Length
26 ft
2 main spans
Daily traffic
351
2015 count
Owner
County
County Highway Agency

About this bridge

Township Road 163 over Muskrat Ditch is a steel culvert carrying Township Road 163 over Muskrat Ditch in Marion County, Ohio. It was built in 1983, so it is 42 years old, younger than the Ohio average of 47.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 351 vehicles a day, roughly 7% of them trucks, projected to reach 487 by 2035. The structure is 26 ft (7.9 m) long. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesTownship Road 163
CrossesMuskrat Ditch
Location.7 MI NE of JCT CR 172
RouteCounty Highway 163
CountyMarion County
StateOhio
Coordinates40.595, -82.98833
Functional classRural Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment7: Better than present minimum criteria
Operating rating35.7 US tons
Inventory rating28.5 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans2
Design loadHS 20
Structure length26 ft (7.9 m)
Longest span12 ft (3.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 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 closed1.2 mi (2 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 Township Road 163 over Muskrat Ditch built?

It was built in 1983, making it 42 years old in 2025.

What condition is Township Road 163 over Muskrat Ditch in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in August 2024.

How much traffic does Township Road 163 over Muskrat Ditch carry?

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

How long is Township Road 163 over Muskrat Ditch?

The structure is 26 ft (7.9 m) long with a longest span of 12 ft (3.7 m).

Who owns Township Road 163 over Muskrat Ditch?

It is owned by the County Highway Agency.