US Bridges

Sugarloaf Pky N/B over Alcovy River

Good

Gwinnett County, Georgia · Lawranceville · Structure no. 000000013552430

Built
2010
15 years old
Condition
Good
inspected January 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
921 ft
6 main spans
Daily traffic
31,300
2024 count
Owner
County
County Highway Agency

About this bridge

Sugarloaf Pky N/B over Alcovy River is a prestressed concrete stringer/multi-beam or girder carrying Sugarloaf Pky N/B over Alcovy River in Gwinnett County, Georgia. It was built in 2010, so it is 15 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 31,300 vehicles a day, roughly 1% of them trucks, projected to reach 5,655 by 2032. The structure is 921 ft (280.7 m) long and 44 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesSugarloaf Pky N/B
CrossesAlcovy River
LocationLawranceville
RouteCounty Highway 6512
StateGeorgia
Coordinates33.95366, -83.92022
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry7: Better than present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating37.9 US tons
Inventory rating22.9 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans6
Design loadHS 20 + Mod
Structure length921 ft (280.7 m)
Longest span155 ft (47.2 m)
Deck width44 ft (13.4 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic31,300 (2024)
Projected traffic5,655 by 2032
Trucks1%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes

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$5.4 million
NavigationNo navigation control on waterway

Frequently asked questions

When was Sugarloaf Pky N/B over Alcovy River built?

It was built in 2010, making it 15 years old in 2025.

What condition is Sugarloaf Pky N/B over Alcovy 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 January 2024.

How much traffic does Sugarloaf Pky N/B over Alcovy River carry?

About 31,300 vehicles per day (2024 count), of which roughly 1% are trucks.

How long is Sugarloaf Pky N/B over Alcovy River?

The structure is 921 ft (280.7 m) long with a longest span of 155 ft (47.2 m) and a deck 44 ft wide.

Who owns Sugarloaf Pky N/B over Alcovy River?

It is owned by the County Highway Agency.