US Bridges

Griswoldville RD over Hammocks Branch

Good

Twiggs County, Georgia · 12 MI NW of Jeffersonvill · Structure no. 000000028950060

Built
1999
26 years old
Condition
Good
inspected August 2024
Type
Culvert
Concrete
Length
27 ft
2 main spans
Daily traffic
20
2024 count
Owner
County
County Highway Agency

About this bridge

Griswoldville RD over Hammocks Branch is a concrete culvert carrying Griswoldville RD over Hammocks Branch in Twiggs County, Georgia. It was built in 1999, so it is 26 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 20 vehicles a day, roughly 1% of them trucks, projected to reach 60 by 2031. The structure is 27 ft (8.2 m) long. If it were closed, the detour would be 9.9 mi (16 km).

CarriesGriswoldville RD
CrossesHammocks Branch
Location12 MI NW of Jeffersonvill
RouteCounty Highway 7
StateGeorgia
Coordinates32.84863, -83.42298
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 evaluation7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating61 US tons
Inventory rating35.9 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 20 + Mod
Structure length27 ft (8.2 m)
Longest span13 ft (4 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic20 (2024)
Projected traffic60 by 2031
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed9.9 mi (16 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 Griswoldville RD over Hammocks Branch built?

It was built in 1999, making it 26 years old in 2025.

What condition is Griswoldville RD over Hammocks 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 August 2024.

How much traffic does Griswoldville RD over Hammocks Branch carry?

About 20 vehicles per day (2024 count), of which roughly 1% are trucks.

How long is Griswoldville RD over Hammocks Branch?

The structure is 27 ft (8.2 m) long with a longest span of 13 ft (4 m).

Who owns Griswoldville RD over Hammocks Branch?

It is owned by the County Highway Agency.