US Bridges

Old 179 N over Manbone Branch

Good

Grady County, Georgia · 7 MI N of Whigham · Structure no. 000000013151130

Built
2020
5 years old
Condition
Good
inspected April 2024
Type
Culvert
Concrete
Length
28 ft
3 main spans
Daily traffic
210
2024 count
Owner
County
County Highway Agency

About this bridge

Old 179 N over Manbone Branch is a concrete culvert carrying Old 179 N over Manbone Branch in Grady County, Georgia. It was built in 2020, so it is 5 years old, younger than the Georgia average of 47.5 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 210 vehicles a day, roughly 1% of them trucks, projected to reach 285 by 2031. The structure is 28 ft (8.5 m) long. If it were closed, the detour would be 8.1 mi (13 km).

CarriesOld 179 N
CrossesManbone Branch
Location7 MI N of Whigham
RouteCounty Highway 1200
StateGeorgia
Coordinates30.98278, -84.34945
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
Channel and channel protection8 Very GoodNo problems noted.
Culvert7 GoodSome minor problems.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating99 US tons
Inventory rating59 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadH 15
Structure length28 ft (8.5 m)
Longest span8 ft (2.4 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic210 (2024)
Projected traffic285 by 2031
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.1 mi (13 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$6.4 million (2020 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Old 179 N over Manbone Branch built?

It was built in 2020, making it 5 years old in 2025.

What condition is Old 179 N over Manbone Branch 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 April 2024.

How much traffic does Old 179 N over Manbone Branch carry?

About 210 vehicles per day (2024 count), of which roughly 1% are trucks.

How long is Old 179 N over Manbone Branch?

The structure is 28 ft (8.5 m) long with a longest span of 8 ft (2.4 m).

Who owns Old 179 N over Manbone Branch?

It is owned by the County Highway Agency.