US Bridges

Old Norcross Road over Sweetwater Creek

Good

Gwinnett County, Georgia · 6.5 MI SE of Duluth · Structure no. 000000013500650

Built
1978
47 years old, rebuilt 1986
Condition
Good
inspected October 2023
Type
Culvert
Concrete
Length
50 ft
4 main spans
Daily traffic
25,900
2024 count
Owner
County
County Highway Agency

About this bridge

Old Norcross Road over Sweetwater Creek is a concrete culvert carrying Old Norcross Road over Sweetwater Creek in Gwinnett County, Georgia. It was built in 1978 and reconstructed in 1986, so it is 47 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 25,900 vehicles a day, roughly 1% of them trucks, projected to reach 34,275 by 2032. The structure is 50 ft (15.2 m) long. If it were closed, the detour would be 3.1 mi (5 km).

CarriesOld Norcross Road
CrossesSweetwater Creek
Location6.5 MI SE of Duluth
RouteCounty Highway 1046
StateGeorgia
Coordinates33.94997, -84.09493
Functional classUrban Minor 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 protection8 Very GoodNo problems noted.
Culvert7 GoodSome minor problems.
Last inspectionOctober 2023
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 alignment8: Equal to present desirable criteria
Operating rating61 US tons
Inventory rating35.9 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans4
Design loadHS 20 + Mod
Structure length50 ft (15.2 m)
Longest span12 ft (3.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic25,900 (2024)
Projected traffic34,275 by 2032
Trucks1%
Lanes on structure5
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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$533,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Old Norcross Road over Sweetwater Creek built?

It was built in 1978, making it 47 years old in 2025. It was reconstructed in 1986.

What condition is Old Norcross Road over Sweetwater 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 Old Norcross Road over Sweetwater Creek carry?

About 25,900 vehicles per day (2024 count), of which roughly 1% are trucks.

How long is Old Norcross Road over Sweetwater Creek?

The structure is 50 ft (15.2 m) long with a longest span of 12 ft (3.7 m).

Who owns Old Norcross Road over Sweetwater Creek?

It is owned by the County Highway Agency.