US Bridges

Rock Chapel Road over Yellow River

Good

DeKalb County, Georgia · Dekalb-Gwinnett CO Line · Structure no. 000000008951450

Built
2000
25 years old
Condition
Good
inspected April 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
256 ft
3 main spans
Daily traffic
29,100
2024 count
Owner
State
State Highway Agency

About this bridge

Rock Chapel Road over Yellow River is a prestressed concrete stringer/multi-beam or girder carrying Rock Chapel Road over Yellow River in DeKalb County, Georgia. It was built in 2000, so it is 25 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 29,100 vehicles a day, roughly 1% of them trucks, projected to reach 20,700 by 2031. The structure is 256 ft (78 m) long and 97 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

CarriesRock Chapel Road
CrossesYellow River
LocationDekalb-Gwinnett CO Line
RouteState Highway 124
StateGeorgia
Coordinates33.77263, -84.05826
Functional classUrban Other Principal Arterial

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 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 geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating73 US tons
Inventory rating33 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length256 ft (78 m)
Longest span138 ft (42.1 m)
Deck width97 ft (29.6 m)
Roadway width83 ft (25.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic29,100 (2024)
Projected traffic20,700 by 2031
Trucks1%
Lanes on structure5
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed9.9 mi (16 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$2.7 million
NavigationNo navigation control on waterway

Frequently asked questions

When was Rock Chapel Road over Yellow River built?

It was built in 2000, making it 25 years old in 2025.

What condition is Rock Chapel Road over Yellow 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 Rock Chapel Road over Yellow River carry?

About 29,100 vehicles per day (2024 count), of which roughly 1% are trucks.

How long is Rock Chapel Road over Yellow River?

The structure is 256 ft (78 m) long with a longest span of 138 ft (42.1 m) and a deck 97 ft wide.

Who owns Rock Chapel Road over Yellow River?

It is owned by the State Highway Agency.