US Bridges

Sugar Loaf Parkway over Yellow River

Good

Gwinnett County, Georgia · 3.3 MI W of Lawrenceville · Structure no. 000000013551400

Built
1995
30 years old
Condition
Good
inspected October 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
112 ft
3 main spans
Daily traffic
45,000
2024 count
Owner
County
County Highway Agency

About this bridge

Sugar Loaf Parkway over Yellow River is a prestressed concrete stringer/multi-beam or girder carrying Sugar Loaf Parkway over Yellow River in Gwinnett County, Georgia. It was built in 1995, so it is 30 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 45,000 vehicles a day, roughly 1% of them trucks, projected to reach 66,345 by 2032. The structure is 112 ft (34.1 m) long and 108 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesSugar Loaf Parkway
CrossesYellow River
Location3.3 MI W of Lawrenceville
RouteCounty Highway 6512
StateGeorgia
Coordinates33.94488, -84.04269
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
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
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 rating57 US tons
Inventory rating35.9 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length112 ft (34.1 m)
Longest span60 ft (18.3 m)
Deck width108 ft (32.8 m)
Roadway width82 ft (25 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic45,000 (2024)
Projected traffic66,345 by 2032
Trucks1%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed5 mi (8 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$1 million
NavigationNo navigation control on waterway

Frequently asked questions

When was Sugar Loaf Parkway over Yellow River built?

It was built in 1995, making it 30 years old in 2025.

What condition is Sugar Loaf Parkway over Yellow 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 October 2023.

How much traffic does Sugar Loaf Parkway over Yellow River carry?

About 45,000 vehicles per day (2024 count), of which roughly 1% are trucks.

How long is Sugar Loaf Parkway over Yellow River?

The structure is 112 ft (34.1 m) long with a longest span of 60 ft (18.3 m) and a deck 108 ft wide.

Who owns Sugar Loaf Parkway over Yellow River?

It is owned by the County Highway Agency.