US Bridges

Wilson over Grog Run

Good

Greene County, Ohio · 0.55 MI E of Bales · Structure no. 2939193

Built
1969
56 years old
Condition
Good
inspected August 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
39 ft
1 main span
Daily traffic
38
2020 count
Owner
County
County Highway Agency

About this bridge

Wilson over Grog Run is a prestressed concrete box beam or girders - multiple carrying Wilson over Grog Run in Greene County, Ohio. It was built in 1969, so it is 56 years old, older 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 38 vehicles a day, roughly 10% of them trucks, projected to reach 450 by 2040. The structure is 39 ft (11.9 m) long and 20 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesWilson
CrossesGrog Run
Location0.55 MI E of Bales
RouteCounty Highway T0179
StateOhio
Coordinates39.57995, -83.78442
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation8: Equal to present desirable criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating46.4 US tons
Inventory rating35.7 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length39 ft (11.9 m)
Longest span37 ft (11.3 m)
Deck width20 ft (6.1 m)
Roadway width20 ft (6.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic38 (2020)
Projected traffic450 by 2040
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 Wilson over Grog Run built?

It was built in 1969, making it 56 years old in 2025.

What condition is Wilson over Grog Run 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 Wilson over Grog Run carry?

About 38 vehicles per day (2020 count), of which roughly 10% are trucks.

How long is Wilson over Grog Run?

The structure is 39 ft (11.9 m) long with a longest span of 37 ft (11.3 m) and a deck 20 ft wide.

Who owns Wilson over Grog Run?

It is owned by the County Highway Agency.