US Bridges

Cardinal Lake Dr. over Sweetwater Creek (lake)

Good

Gwinnett County, Georgia · 2 MI SE of Duluth · Structure no. 000000013551250

Built
1960
65 years old
Condition
Good
inspected December 2023
Type
Tee Beam
Concrete
Length
36 ft
3 main spans
Daily traffic
2,047
2024 count
Owner
County
County Highway Agency

About this bridge

Cardinal Lake Dr. over Sweetwater Creek (lake) is a concrete tee beam carrying Cardinal Lake Dr. over Sweetwater Creek (lake) in Gwinnett County, Georgia. It was built in 1960, so it is 65 years old, older 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 36 ft (11 m) long and 20 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesCardinal Lake Dr.
CrossesSweetwater Creek (lake)
Location2 MI SE of Duluth
RouteCounty Highway 588
CountyGwinnett County
StateGeorgia
Coordinates33.97425, -84.1294
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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation6: Equal to present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating38.9 US tons
Inventory rating26.9 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadH 15
Structure length36 ft (11 m)
Longest span12 ft (3.7 m)
Deck width20 ft (6.2 m)
Roadway width20 ft (6.2 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
CrossesWaterway
Detour if closed5 mi (8 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$211,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Cardinal Lake Dr. over Sweetwater Creek (lake) built?

It was built in 1960, making it 65 years old in 2025.

What condition is Cardinal Lake Dr. over Sweetwater Creek (lake) 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 December 2023.

How much traffic does Cardinal Lake Dr. over Sweetwater Creek (lake) carry?

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

How long is Cardinal Lake Dr. over Sweetwater Creek (lake)?

The structure is 36 ft (11 m) long with a longest span of 12 ft (3.7 m) and a deck 20 ft wide.

Who owns Cardinal Lake Dr. over Sweetwater Creek (lake)?

It is owned by the County Highway Agency.