US Bridges

Northlake Parkway over CSX Railroad

Fair

DeKalb County, Georgia · 2.2 MI N of Clarkston · Structure no. 000000008901790

Built
1968
57 years old, rebuilt 1984
Condition
Fair
inspected July 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
159 ft
3 main spans
Daily traffic
16,400
2024 count
Owner
County
County Highway Agency

About this bridge

Northlake Parkway over CSX Railroad is a steel stringer/multi-beam or girder carrying Northlake Parkway over CSX Railroad in DeKalb County, Georgia. It was built in 1968 and reconstructed in 1984, so it is 57 years old, older than the Georgia average of 47.5 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 16,400 vehicles a day, roughly 1% of them trucks, projected to reach 27,225 by 2031. The structure is 159 ft (48.5 m) long and 87 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

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CarriesNorthlake Parkway
CrossesCSX Railroad
Location2.2 MI N of Clarkston
RouteCity Street 9223
CountyDeKalb County
StateGeorgia
Coordinates33.84153, -84.24253
Functional classUrban Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating49.9 US tons
Inventory rating30 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length159 ft (48.5 m)
Longest span56 ft (17.1 m)
Deck width87 ft (26.4 m)
Roadway width72 ft (21.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic16,400 (2024)
Projected traffic27,225 by 2031
Trucks1%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesRailroad
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost$1.4 million
NavigationNot applicable (no waterway)

Frequently asked questions

When was Northlake Parkway over CSX Railroad built?

It was built in 1968, making it 57 years old in 2025. It was reconstructed in 1984.

What condition is Northlake Parkway over CSX Railroad in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in July 2024.

How much traffic does Northlake Parkway over CSX Railroad carry?

About 16,400 vehicles per day (2024 count), of which roughly 1% are trucks.

How long is Northlake Parkway over CSX Railroad?

The structure is 159 ft (48.5 m) long with a longest span of 56 ft (17.1 m) and a deck 87 ft wide.

Who owns Northlake Parkway over CSX Railroad?

It is owned by the County Highway Agency.