US Bridges

Harbins Road over SR 316

Good

Gwinnett County, Georgia · 1 M South of Dacula · Structure no. 000000013552800

Built
2021
4 years old
Condition
Good
inspected October 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
400 ft
4 main spans
Daily traffic
18,106
2024 count
Owner
State
State Highway Agency

About this bridge

Harbins Road over SR 316 is a prestressed concrete stringer/multi-beam or girder carrying Harbins Road over SR 316 in Gwinnett County, Georgia. It was built in 2021, so it is 4 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 18,106 vehicles a day, roughly 3% of them trucks, projected to reach 30,400 by 2040. The structure is 400 ft (121.9 m) long and 86 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesHarbins Road
CrossesSR 316
Location1 M South of Dacula
RouteCounty Highway 1944
CountyGwinnett County
StateGeorgia
Coordinates33.97364, -83.89147
Functional classRural 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.
Substructure8 Very GoodNo problems noted.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation8: Equal to present desirable criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating76.9 US tons
Inventory rating46 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans4
Design loadHL 93
Structure length400 ft (121.9 m)
Longest span117 ft (35.7 m)
Deck width86 ft (26.1 m)
Roadway width64 ft (19.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic18,106 (2024)
Projected traffic30,400 by 2040
Trucks3%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed5 mi (8 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedDeck replacement with only incidental widening
Estimated improvement cost$53.3 million (2021 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was Harbins Road over SR 316 built?

It was built in 2021, making it 4 years old in 2025.

What condition is Harbins Road over SR 316 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 Harbins Road over SR 316 carry?

About 18,106 vehicles per day (2024 count), of which roughly 3% are trucks.

How long is Harbins Road over SR 316?

The structure is 400 ft (121.9 m) long with a longest span of 117 ft (35.7 m) and a deck 86 ft wide.

Who owns Harbins Road over SR 316?

It is owned by the State Highway Agency.