US Bridges

Old Peachtree Road over I-85 (sr 403)

Good

Gwinnett County, Georgia · 3.3 MI S of Suwanee · Structure no. 000000013551980

Built
2003
22 years old
Condition
Good
inspected November 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
406 ft
4 main spans
Daily traffic
8,290
2024 count
Owner
State
State Highway Agency

About this bridge

Old Peachtree Road over I-85 (sr 403) is a prestressed concrete stringer/multi-beam or girder carrying Old Peachtree Road over I-85 (sr 403) in Gwinnett County, Georgia. It was built in 2003, so it is 22 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 8,290 vehicles a day, roughly 1% of them trucks, projected to reach 11,835 by 2032. The structure is 406 ft (123.7 m) long and 135 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesOld Peachtree Road
CrossesI-85 (sr 403)
Location3.3 MI S of Suwanee
RouteCounty Highway 3761
StateGeorgia
Coordinates34.00131, -84.07409
Functional classUrban Collector

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.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating54.9 US tons
Inventory rating31 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20 + Mod
Structure length406 ft (123.7 m)
Longest span109 ft (33.2 m)
Deck width135 ft (41 m)
Roadway width120 ft (36.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8,290 (2024)
Projected traffic11,835 by 2032
Trucks1%
Lanes on structure7
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 proposedNone recorded
Estimated improvement cost$5.6 million
NavigationNo navigation control on waterway

Frequently asked questions

When was Old Peachtree Road over I-85 (sr 403) built?

It was built in 2003, making it 22 years old in 2025.

What condition is Old Peachtree Road 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 Old Peachtree Road over I-85 (sr 403) carry?

About 8,290 vehicles per day (2024 count), of which roughly 1% are trucks.

How long is Old Peachtree Road over I-85 (sr 403)?

The structure is 406 ft (123.7 m) long with a longest span of 109 ft (33.2 m) and a deck 135 ft wide.

Who owns Old Peachtree Road over I-85 (sr 403)?

It is owned by the State Highway Agency.