US Bridges

Boggs Road over I-85

Good

Gwinnett County, Georgia · 3.2 MI SE of Duluth · Structure no. 000000013551810

Built
1999
26 years old
Condition
Good
inspected November 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
417 ft
4 main spans
Daily traffic
18,106
2024 count
Owner
State
State Highway Agency

About this bridge

Boggs Road over I-85 is a prestressed concrete stringer/multi-beam or girder carrying Boggs Road over I-85 in Gwinnett County, Georgia. It was built in 1999, so it is 26 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 1% of them trucks, projected to reach 16,590 by 2032. The structure is 417 ft (127.1 m) long and 107 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesBoggs Road
CrossesI-85
Location3.2 MI SE of Duluth
RouteCity Street 9462
StateGeorgia
Coordinates33.96733, -84.09643
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.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48.9 US tons
Inventory rating29 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20 + Mod
Structure length417 ft (127.1 m)
Longest span116 ft (35.4 m)
Deck width107 ft (32.7 m)
Roadway width92 ft (28 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic18,106 (2024)
Projected traffic16,590 by 2032
Trucks1%
Lanes on structure5
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost$4.4 million
NavigationNot applicable (no waterway)

Frequently asked questions

When was Boggs Road over I-85 built?

It was built in 1999, making it 26 years old in 2025.

What condition is Boggs Road over I-85 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 November 2023.

How much traffic does Boggs Road over I-85 carry?

About 18,106 vehicles per day (2024 count), of which roughly 1% are trucks.

How long is Boggs Road over I-85?

The structure is 417 ft (127.1 m) long with a longest span of 116 ft (35.4 m) and a deck 107 ft wide.

Who owns Boggs Road over I-85?

It is owned by the State Highway Agency.