US Bridges

SR 400 (sbl) over CR 2499 + Nancy Crk Trib

Good

Fulton County, Georgia · In N Atlanta · Structure no. 000000012107460

Built
1992
33 years old
Condition
Good
inspected May 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
692 ft
8 main spans
Daily traffic
21,700
2024 count
Owner
State
State Highway Agency

About this bridge

SR 400 (sbl) over CR 2499 + Nancy Crk Trib is a prestressed concrete stringer/multi-beam or girder carrying SR 400 (sbl) over CR 2499 + Nancy Crk Trib in Fulton County, Georgia. It was built in 1992, so it is 33 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 21,700 vehicles a day, roughly 1% of them trucks, projected to reach 170,670 by 2032. The structure is 692 ft (210.9 m) long and 65 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesSR 400 (sbl)
CrossesCR 2499 + Nancy Crk Trib
LocationIn N Atlanta
RouteState Highway 400
StateGeorgia
Coordinates33.86901, -84.3666
Functional classUrban Principal Arterial - Other Freeway or Expressway

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.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry9: Superior to present desirable criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating42 US tons
Inventory rating24.9 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans8
Design loadHS 20 + Mod
Structure length692 ft (210.9 m)
Longest span110 ft (33.5 m)
Deck width65 ft (19.9 m)
Roadway width62 ft (18.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic21,700 (2024)
Projected traffic170,670 by 2032
Trucks1%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway and waterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes

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—
NavigationNo navigation control on waterway

Frequently asked questions

When was SR 400 (sbl) over CR 2499 + Nancy Crk Trib built?

It was built in 1992, making it 33 years old in 2025.

What condition is SR 400 (sbl) over CR 2499 + Nancy Crk 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 May 2023.

How much traffic does SR 400 (sbl) over CR 2499 + Nancy Crk Trib carry?

About 21,700 vehicles per day (2024 count), of which roughly 1% are trucks.

How long is SR 400 (sbl) over CR 2499 + Nancy Crk Trib?

The structure is 692 ft (210.9 m) long with a longest span of 110 ft (33.5 m) and a deck 65 ft wide.

Who owns SR 400 (sbl) over CR 2499 + Nancy Crk Trib?

It is owned by the State Highway Agency.