US Bridges

Old Thompson Mill over Little Mulberry River

Good

Barrow County, Georgia · 6.2 MI NW of Winder · Structure no. 000000001350670

Built
2024
1 years old
Condition
Good
inspected September 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
116 ft
1 main span
Daily traffic
225
2024 count
Owner
County
County Highway Agency

About this bridge

Old Thompson Mill over Little Mulberry River is a prestressed concrete stringer/multi-beam or girder carrying Old Thompson Mill over Little Mulberry River in Barrow County, Georgia. It was built in 2024, so it is 1 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 9 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 225 vehicles a day, roughly 12% of them trucks, projected to reach 350 by 2043. The structure is 116 ft (35.4 m) long and 27 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesOld Thompson Mill
CrossesLittle Mulberry River
Location6.2 MI NW of Winder
RouteCounty Highway 268
StateGeorgia
Coordinates34.06209, -83.78542
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
Deck9 ExcellentNo problems noted.
Superstructure9 ExcellentNo problems noted.
Substructure9 ExcellentNo problems noted.
Channel and channel protection9 ExcellentNo problems noted.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation9: Superior 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 rating99 US tons
Inventory rating47 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length116 ft (35.4 m)
Longest span116 ft (35.4 m)
Deck width27 ft (8.2 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic225 (2024)
Projected traffic350 by 2043
Trucks12%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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 proposedDeck replacement with only incidental widening
Estimated improvement cost$15.4 million (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Old Thompson Mill over Little Mulberry River built?

It was built in 2024, making it 1 years old in 2025.

What condition is Old Thompson Mill over Little Mulberry River 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 September 2024.

How much traffic does Old Thompson Mill over Little Mulberry River carry?

About 225 vehicles per day (2024 count), of which roughly 12% are trucks.

How long is Old Thompson Mill over Little Mulberry River?

The structure is 116 ft (35.4 m) long with a longest span of 116 ft (35.4 m) and a deck 27 ft wide.

Who owns Old Thompson Mill over Little Mulberry River?

It is owned by the County Highway Agency.