US Bridges

85 Nbcd (40310N) over 85 NB Ramp to Old Peach

Good

Gwinnett County, Georgia · 2 MI East of Duluth · Structure no. 000000013552230

Built
2008
17 years old
Condition
Good
inspected November 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
131 ft
1 main span
Daily traffic
6,821
2024 count
Owner
State
State Highway Agency

About this bridge

85 Nbcd (40310N) over 85 NB Ramp to Old Peach is a prestressed concrete stringer/multi-beam or girder carrying 85 Nbcd (40310N) over 85 NB Ramp to Old Peach in Gwinnett County, Georgia. It was built in 2008, so it is 17 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 6,821 vehicles a day, roughly 1% of them trucks, projected to reach 12,300 by 2032. The structure is 131 ft (39.9 m) long and 65 ft wide.

Carries85 Nbcd (40310N)
Crosses85 NB Ramp to Old Peach
Location2 MI East of Duluth
RouteInterstate 85
StateGeorgia
Coordinates33.99833, -84.07567
Functional classUrban Principal Arterial - Interstate

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.
Substructure8 Very GoodNo problems noted.
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 alignment6: Equal to present minimum criteria
Operating rating99 US tons
Inventory rating33 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20 + Mod
Structure length131 ft (39.9 m)
Longest span131 ft (39.9 m)
Deck width65 ft (19.9 m)
Roadway width62 ft (18.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,821 (2024)
Projected traffic12,300 by 2032
Trucks1%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed—
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$768,000
NavigationNot applicable (no waterway)

Frequently asked questions

When was 85 Nbcd (40310N) over 85 NB Ramp to Old Peach built?

It was built in 2008, making it 17 years old in 2025.

What condition is 85 Nbcd (40310N) over 85 NB Ramp to Old Peach 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 85 Nbcd (40310N) over 85 NB Ramp to Old Peach carry?

About 6,821 vehicles per day (2024 count), of which roughly 1% are trucks.

How long is 85 Nbcd (40310N) over 85 NB Ramp to Old Peach?

The structure is 131 ft (39.9 m) long with a longest span of 131 ft (39.9 m) and a deck 65 ft wide.

Who owns 85 Nbcd (40310N) over 85 NB Ramp to Old Peach?

It is owned by the State Highway Agency.