US Bridges

Harbins Road over Colonial Pipeline

Good

Gwinnett County, Georgia · 1 M South of Dacula · Structure no. 000000013552810

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

About this bridge

Harbins Road over Colonial Pipeline is a prestressed concrete stringer/multi-beam or girder carrying Harbins Road over Colonial Pipeline 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 8 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 111 ft (33.7 m) long and 90 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesHarbins Road
CrossesColonial Pipeline
Location1 M South of Dacula
RouteCounty Highway 1944
StateGeorgia
Coordinates33.97423, -83.89189
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
Deck8 Very GoodNo problems noted.
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 geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating76.9 US tons
Inventory rating46 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length111 ft (33.7 m)
Longest span111 ft (33.7 m)
Deck width90 ft (27.3 m)
Roadway width76 ft (23.2 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
CrossesOther
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 proposedDeck replacement with only incidental widening
Estimated improvement cost$14.7 million (2021 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was Harbins Road over Colonial Pipeline built?

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

What condition is Harbins Road over Colonial Pipeline 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 Colonial Pipeline carry?

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

How long is Harbins Road over Colonial Pipeline?

The structure is 111 ft (33.7 m) long with a longest span of 111 ft (33.7 m) and a deck 90 ft wide.

Who owns Harbins Road over Colonial Pipeline?

It is owned by the County Highway Agency.