US Bridges

Thornton Road over Sweetwater Creek Trib

Good

Douglas County, Georgia · 8.4 MI E of Douglasville · Structure no. 000000009700480

Built
1963
62 years old, rebuilt 1989
Condition
Good
inspected November 2023
Type
Culvert
Concrete
Length
26 ft
3 main spans
Daily traffic
49,500
2024 count
Owner
State
State Highway Agency

About this bridge

Thornton Road over Sweetwater Creek Trib is a concrete culvert carrying Thornton Road over Sweetwater Creek Trib in Douglas County, Georgia. It was built in 1963 and reconstructed in 1989, so it is 62 years old, older 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 49,500 vehicles a day, roughly 1% of them trucks, projected to reach 67,515 by 2032. The structure is 26 ft (7.9 m) long. If it were closed, the detour would be 3.7 mi (6 km).

CarriesThornton Road
CrossesSweetwater Creek Trib
Location8.4 MI E of Douglasville
RouteState Highway 6
StateGeorgia
Coordinates33.77536, -84.60469
Functional classUrban Other Principal Arterial

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 inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating99 US tons
Inventory rating99 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadHS 20 + Mod
Structure length26 ft (7.9 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 traffic49,500 (2024)
Projected traffic67,515 by 2032
Trucks1%
Lanes on structure5
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost$277,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Thornton Road over Sweetwater Creek Trib built?

It was built in 1963, making it 62 years old in 2025. It was reconstructed in 1989.

What condition is Thornton Road over Sweetwater Creek Trib 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 November 2023.

How much traffic does Thornton Road over Sweetwater Creek Trib carry?

About 49,500 vehicles per day (2024 count), of which roughly 1% are trucks.

How long is Thornton Road over Sweetwater Creek Trib?

The structure is 26 ft (7.9 m) long with a longest span of 8 ft (2.4 m).

Who owns Thornton Road over Sweetwater Creek Trib?

It is owned by the State Highway Agency.