US Bridges

Flowery Branch RD over I-85 (sr 403)

Good

Gwinnett County, Georgia · 6.5 MI N of Dacula · Structure no. 000000013552820

Built
2020
5 years old
Condition
Good
inspected November 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
224 ft
2 main spans
Daily traffic
2,047
2024 count
Owner
State
State Highway Agency

About this bridge

Flowery Branch RD over I-85 (sr 403) is a prestressed concrete stringer/multi-beam or girder carrying Flowery Branch RD over I-85 (sr 403) in Gwinnett County, Georgia. It was built in 2020, so it is 5 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 10% of them trucks, projected to reach 6,950 by 2039. The structure is 224 ft (68.3 m) long and 43 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesFlowery Branch RD
CrossesI-85 (sr 403)
Location6.5 MI N of Dacula
RouteCounty Highway 893
CountyGwinnett County
StateGeorgia
Coordinates34.084, -83.86801
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.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating87 US tons
Inventory rating48 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans2
Design loadHL 93
Structure length224 ft (68.3 m)
Longest span112 ft (34.1 m)
Deck width43 ft (13.1 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,047 (2024)
Projected traffic6,950 by 2039
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed3.7 mi (6 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$29.9 million (2021 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was Flowery Branch RD over I-85 (sr 403) built?

It was built in 2020, making it 5 years old in 2025.

What condition is Flowery Branch RD over I-85 (sr 403) 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 Flowery Branch RD over I-85 (sr 403) carry?

About 2,047 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is Flowery Branch RD over I-85 (sr 403)?

The structure is 224 ft (68.3 m) long with a longest span of 112 ft (34.1 m) and a deck 43 ft wide.

Who owns Flowery Branch RD over I-85 (sr 403)?

It is owned by the State Highway Agency.