US Bridges

Interstate 285 over Nancy Creek Trib

Good

Fulton County, Georgia · In S. Sandy Springs · Structure no. 000000012154110

Built
2021
4 years old
Condition
Good
inspected August 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
113 ft
1 main span
Daily traffic
21,000
2024 count
Owner
State
State Highway Agency

About this bridge

Interstate 285 over Nancy Creek Trib is a prestressed concrete stringer/multi-beam or girder carrying Interstate 285 over Nancy Creek Trib in Fulton 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 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. Its operating status is: new structure not yet open to traffic.

It carries about 21,000 vehicles a day, roughly 9% of them trucks, projected to reach 18,610 by 2039. The structure is 113 ft (34.4 m) long and 33 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesInterstate 285
CrossesNancy Creek Trib
LocationIn S. Sandy Springs
RouteInterstate 285
StateGeorgia
Coordinates33.91433, -84.3484
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.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusNew structure not yet open to traffic
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating75.9 US tons
Inventory rating45 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length113 ft (34.4 m)
Longest span113 ft (34.4 m)
Deck width33 ft (10.1 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic21,000 (2024)
Projected traffic18,610 by 2039
Trucks9%
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$15.1 million (2021 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Interstate 285 over Nancy Creek Trib built?

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

What condition is Interstate 285 over Nancy Creek Trib 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 August 2023.

How much traffic does Interstate 285 over Nancy Creek Trib carry?

About 21,000 vehicles per day (2024 count), of which roughly 9% are trucks.

How long is Interstate 285 over Nancy Creek Trib?

The structure is 113 ft (34.4 m) long with a longest span of 113 ft (34.4 m) and a deck 33 ft wide.

Who owns Interstate 285 over Nancy Creek Trib?

It is owned by the State Highway Agency.