US Bridges

SR 138 over South River

Good

Rockdale County, Georgia · 4 MI SW of Conyers · Structure no. 000000024700210

Built
1992
33 years old
Condition
Good
inspected April 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
270 ft
3 main spans
Daily traffic
12,500
2024 count
Owner
State
State Highway Agency

About this bridge

SR 138 over South River is a prestressed concrete stringer/multi-beam or girder carrying SR 138 over South River in Rockdale County, Georgia. It was built in 1992, so it is 33 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 12,500 vehicles a day, roughly 3% of them trucks, projected to reach 15,225 by 2032. The structure is 270 ft (82.3 m) long and 47 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

CarriesSR 138
CrossesSouth River
Location4 MI SW of Conyers
RouteState Highway 138
StateGeorgia
Coordinates33.60172, -84.09825
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 protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating75 US tons
Inventory rating45 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length270 ft (82.3 m)
Longest span90 ft (27.4 m)
Deck width47 ft (14.4 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic12,500 (2024)
Projected traffic15,225 by 2032
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.1 mi (13 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$1.6 million
NavigationNo navigation control on waterway

Frequently asked questions

When was SR 138 over South River built?

It was built in 1992, making it 33 years old in 2025.

What condition is SR 138 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 2023.

How much traffic does SR 138 over South River carry?

About 12,500 vehicles per day (2024 count), of which roughly 3% are trucks.

How long is SR 138 over South River?

The structure is 270 ft (82.3 m) long with a longest span of 90 ft (27.4 m) and a deck 47 ft wide.

Who owns SR 138 over South River?

It is owned by the State Highway Agency.