US Bridges

Hartman Rd. over Redoak Creek

Good

Brown County, Ohio · 500 Ft. East of US68 · Structure no. 0835544

Built
2007
18 years old
Condition
Good
inspected October 2023
Type
Box Beam or Girders - Multiple
Concrete
Length
30 ft
1 main span
Daily traffic
100
2008 count
Owner
County
County Highway Agency

About this bridge

Hartman Rd. over Redoak Creek is a concrete box beam or girders - multiple carrying Hartman Rd. over Redoak Creek in Brown County, Ohio. It was built in 2007, so it is 18 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 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 100 vehicles a day, projected to reach 139 by 2028. The structure is 30 ft (9.1 m) long and 27 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesHartman Rd.
CrossesRedoak Creek
Location500 Ft. East of US68
RouteCounty Highway 7
StateOhio
Coordinates38.79443, -83.79562
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 inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
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

MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20 + Mod
Structure length30 ft (9.1 m)
Longest span29 ft (8.8 m)
Deck width27 ft (8.2 m)
Roadway width20 ft (6.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic100 (2008)
Projected traffic139 by 2028
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 Hartman Rd. over Redoak Creek built?

It was built in 2007, making it 18 years old in 2025.

What condition is Hartman Rd. over Redoak Creek 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 October 2023.

How much traffic does Hartman Rd. over Redoak Creek carry?

About 100 vehicles per day (2008 count).

How long is Hartman Rd. over Redoak Creek?

The structure is 30 ft (9.1 m) long with a longest span of 29 ft (8.8 m) and a deck 27 ft wide.

Who owns Hartman Rd. over Redoak Creek?

It is owned by the County Highway Agency.