US Bridges

85 Sbcd over Sweet over Sweetwater Creek

Good

Gwinnett County, Georgia · 2 Miles SE of Duluth · Structure no. 000000013552150

Built
2007
18 years old
Condition
Good
inspected February 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
191 ft
3 main spans
Daily traffic
6,821
2024 count
Owner
State
State Highway Agency

About this bridge

85 Sbcd over Sweet over Sweetwater Creek is a prestressed concrete stringer/multi-beam or girder carrying 85 Sbcd over Sweet over Sweetwater Creek in Gwinnett County, Georgia. It was built in 2007, so it is 18 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 6,821 vehicles a day, roughly 1% of them trucks, projected to reach 12,300 by 2032. The structure is 191 ft (58.2 m) long and 63 ft wide. If it were closed, the detour would be 18 mi (29 km).

Carries85 Sbcd over Sweet
CrossesSweetwater Creek
Location2 Miles SE of Duluth
RouteInterstate 85
StateGeorgia
Coordinates33.96385, -84.10554
Functional classUrban Principal Arterial - Interstate

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating74 US tons
Inventory rating33 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length191 ft (58.2 m)
Longest span99 ft (30.2 m)
Deck width63 ft (19.3 m)
Roadway width60 ft (18.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,821 (2024)
Projected traffic12,300 by 2032
Trucks1%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed18 mi (29 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

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$1.1 million
NavigationNo navigation control on waterway

Frequently asked questions

When was 85 Sbcd over Sweet over Sweetwater Creek built?

It was built in 2007, making it 18 years old in 2025.

What condition is 85 Sbcd over Sweet 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 February 2024.

How much traffic does 85 Sbcd over Sweet over Sweetwater Creek carry?

About 6,821 vehicles per day (2024 count), of which roughly 1% are trucks.

How long is 85 Sbcd over Sweet over Sweetwater Creek?

The structure is 191 ft (58.2 m) long with a longest span of 99 ft (30.2 m) and a deck 63 ft wide.

Who owns 85 Sbcd over Sweet over Sweetwater Creek?

It is owned by the State Highway Agency.