US Bridges

Alpine Drive over Pounds Creek

Good

Gwinnett County, Georgia · 4.6 MI SE of Lilburn · Structure no. 000000013551420

Built
1996
29 years old
Condition
Good
inspected January 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
50 ft
1 main span
Daily traffic
2,047
2024 count
Owner
County
County Highway Agency

About this bridge

Alpine Drive over Pounds Creek is a prestressed concrete stringer/multi-beam or girder carrying Alpine Drive over Pounds Creek in Gwinnett County, Georgia. It was built in 1996, so it is 29 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 2,047 vehicles a day, roughly 1% of them trucks, projected to reach 2,895 by 2032. The structure is 50 ft (15.2 m) long and 43 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesAlpine Drive
CrossesPounds Creek
Location4.6 MI SE of Lilburn
RouteCounty Highway 993
StateGeorgia
Coordinates33.83738, -84.09708
Functional classUrban Local

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 inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating49.9 US tons
Inventory rating35.9 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length50 ft (15.2 m)
Longest span50 ft (15.2 m)
Deck width43 ft (13 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,047 (2024)
Projected traffic2,895 by 2032
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.2 mi (2 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$293,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Alpine Drive over Pounds Creek built?

It was built in 1996, making it 29 years old in 2025.

What condition is Alpine Drive over Pounds 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 January 2024.

How much traffic does Alpine Drive over Pounds Creek carry?

About 2,047 vehicles per day (2024 count), of which roughly 1% are trucks.

How long is Alpine Drive over Pounds Creek?

The structure is 50 ft (15.2 m) long with a longest span of 50 ft (15.2 m) and a deck 43 ft wide.

Who owns Alpine Drive over Pounds Creek?

It is owned by the County Highway Agency.