US Bridges

N Clarendon Ave. over Marta

Good

DeKalb County, Georgia · In Avondale C.L. · Structure no. 000000008951340

Built
1991
34 years old
Condition
Good
inspected May 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
55 ft
1 main span
Daily traffic
7,906
2024 count
Owner
Private
Private (other than railroad)

About this bridge

N Clarendon Ave. over Marta is a prestressed concrete stringer/multi-beam or girder carrying N Clarendon Ave. over Marta in DeKalb County, Georgia. It was built in 1991, so it is 34 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 7,906 vehicles a day, roughly 1% of them trucks, projected to reach 2,850 by 2030. The structure is 55 ft (16.8 m) long and 66 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesN Clarendon Ave.
CrossesMarta
LocationIn Avondale C.L.
RouteCity Street 299
StateGeorgia
Coordinates33.7792, -84.26563
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.
Substructure8 Very GoodNo problems noted.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation8: Equal to present desirable criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Approach roadway alignment8: Equal to present desirable criteria
Operating rating61 US tons
Inventory rating35.9 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20 + Mod
Structure length55 ft (16.8 m)
Longest span55 ft (16.8 m)
Deck width66 ft (20.1 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,906 (2024)
Projected traffic2,850 by 2030
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesRailroad
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerPrivate (other than railroad)
Maintained byPrivate (other than railroad)
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost$322,000
NavigationNot applicable (no waterway)

Frequently asked questions

When was N Clarendon Ave. over Marta built?

It was built in 1991, making it 34 years old in 2025.

What condition is N Clarendon Ave. over Marta 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 2024.

How much traffic does N Clarendon Ave. over Marta carry?

About 7,906 vehicles per day (2024 count), of which roughly 1% are trucks.

How long is N Clarendon Ave. over Marta?

The structure is 55 ft (16.8 m) long with a longest span of 55 ft (16.8 m) and a deck 66 ft wide.

Who owns N Clarendon Ave. over Marta?

It is owned by the Private (other than railroad).