US Bridges

Bouldercrest Road over South River

Good

DeKalb County, Georgia · 6.5 MI S of Decatur · Structure no. 000000008951570

Built
2007
18 years old
Condition
Good
inspected April 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
232 ft
3 main spans
Daily traffic
18,900
2024 count
Owner
County
County Highway Agency

About this bridge

Bouldercrest Road over South River is a prestressed concrete stringer/multi-beam or girder carrying Bouldercrest Road over South River in DeKalb County, Georgia. It was built in 2007, so it is 18 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 18,900 vehicles a day, roughly 1% of them trucks, projected to reach 26,520 by 2031. The structure is 232 ft (70.7 m) long and 62 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesBouldercrest Road
CrossesSouth River
Location6.5 MI S of Decatur
RouteCounty Highway 5187
StateGeorgia
Coordinates33.67963, -84.30788
Functional classUrban Minor Arterial

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60 US tons
Inventory rating35.9 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length232 ft (70.7 m)
Longest span111 ft (33.8 m)
Deck width62 ft (19 m)
Roadway width48 ft (14.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic18,900 (2024)
Projected traffic26,520 by 2031
Trucks1%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed3.7 mi (6 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$2.1 million
NavigationNo navigation control on waterway

Frequently asked questions

When was Bouldercrest Road over South River built?

It was built in 2007, making it 18 years old in 2025.

What condition is Bouldercrest Road over South River 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 April 2024.

How much traffic does Bouldercrest Road over South River carry?

About 18,900 vehicles per day (2024 count), of which roughly 1% are trucks.

How long is Bouldercrest Road over South River?

The structure is 232 ft (70.7 m) long with a longest span of 111 ft (33.8 m) and a deck 62 ft wide.

Who owns Bouldercrest Road over South River?

It is owned by the County Highway Agency.