US Bridges

Waldrop Road over South River

Fair

DeKalb County, Georgia · 5 MI SE of Decatur · Structure no. 000000008950100

Built
1958
67 years old
Condition
Fair
inspected March 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
178 ft
5 main spans
Daily traffic
9,640
2024 count
Owner
County
County Highway Agency

About this bridge

Waldrop Road over South River is a steel continuous stringer/multi-beam or girder carrying Waldrop Road over South River in DeKalb County, Georgia. It was built in 1958, so it is 67 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 9,640 vehicles a day, roughly 1% of them trucks, projected to reach 10,950 by 2031. The structure is 178 ft (54.3 m) long and 33 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesWaldrop Road
CrossesSouth River
Location5 MI SE of Decatur
RouteCounty Highway 566
StateGeorgia
Coordinates33.6807, -84.24952
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.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation6: Equal to present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating51.9 US tons
Inventory rating31 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans5
Design loadH 15
Structure length178 ft (54.3 m)
Longest span50 ft (15.2 m)
Deck width33 ft (10.1 m)
Roadway width25 ft (7.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic9,640 (2024)
Projected traffic10,950 by 2031
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed5 mi (8 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$1 million
NavigationNo navigation control on waterway

Frequently asked questions

When was Waldrop Road over South River built?

It was built in 1958, making it 67 years old in 2025.

What condition is Waldrop Road over South River 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 March 2024.

How much traffic does Waldrop Road over South River carry?

About 9,640 vehicles per day (2024 count), of which roughly 1% are trucks.

How long is Waldrop Road over South River?

The structure is 178 ft (54.3 m) long with a longest span of 50 ft (15.2 m) and a deck 33 ft wide.

Who owns Waldrop Road over South River?

It is owned by the County Highway Agency.