US Bridges

Greenbush RD Ch 21 over Dennys Run

Good

Preble County, Ohio · .10 W Gratis Jacksonburg · Structure no. 6832687

Built
2004
21 years old
Condition
Good
inspected December 2024
Type
Box Beam or Girders - Multiple
Concrete
Length
38 ft
1 main span
Daily traffic
661
2024 count
Owner
County
County Highway Agency

About this bridge

Greenbush RD Ch 21 over Dennys Run is a concrete box beam or girders - multiple carrying Greenbush RD Ch 21 over Dennys Run in Preble County, Ohio. It was built in 2004, so it is 21 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 661 vehicles a day, roughly 5% of them trucks, projected to reach 1,260 by 2035. The structure is 38 ft (11.6 m) long and 28 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesGreenbush RD Ch 21
CrossesDennys Run
Location.10 W Gratis Jacksonburg
RouteCounty Highway C0021
StateOhio
Coordinates39.58908, -84.53354
Functional classRural Major Collector

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.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation7: Better than present minimum 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 rating62.8 US tons
Inventory rating48.6 US tons

Structure

MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20 + Mod
Structure length38 ft (11.6 m)
Longest span32 ft (9.8 m)
Deck width28 ft (8.5 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic661 (2024)
Projected traffic1,260 by 2035
Trucks5%
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 Greenbush RD Ch 21 over Dennys Run built?

It was built in 2004, making it 21 years old in 2025.

What condition is Greenbush RD Ch 21 over Dennys 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 December 2024.

How much traffic does Greenbush RD Ch 21 over Dennys Run carry?

About 661 vehicles per day (2024 count), of which roughly 5% are trucks.

How long is Greenbush RD Ch 21 over Dennys Run?

The structure is 38 ft (11.6 m) long with a longest span of 32 ft (9.8 m) and a deck 28 ft wide.

Who owns Greenbush RD Ch 21 over Dennys Run?

It is owned by the County Highway Agency.