US Bridges

SR 20 over South River

Fair

Newton County, Georgia · Newton- Henry County Line · Structure no. 000000021750550

Built
2006
19 years old
Condition
Fair
inspected January 2025
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
405 ft
3 main spans
Daily traffic
15,700
2024 count
Owner
State
State Highway Agency

About this bridge

SR 20 over South River is a prestressed concrete stringer/multi-beam or girder carrying SR 20 over South River in Newton County, Georgia. It was built in 2006, so it is 19 years old, younger 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 15,700 vehicles a day, roughly 1% of them trucks, projected to reach 11,640 by 2031. The structure is 405 ft (123.4 m) long and 47 ft wide. If it were closed, the detour would be 21.7 mi (35 km).

CarriesSR 20
CrossesSouth River
LocationNewton- Henry County Line
RouteState Highway 20
StateGeorgia
Coordinates33.52496, -84.04472
Functional classUrban Minor Arterial

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.
Substructure7 GoodSome minor problems.
Channel and channel protection9 ExcellentNo problems noted.
Last inspectionJanuary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating66.9 US tons
Inventory rating35.9 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length405 ft (123.4 m)
Longest span135 ft (41.1 m)
Deck width47 ft (14.4 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic15,700 (2024)
Projected traffic11,640 by 2031
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed21.7 mi (35 km)
TollOn a free road
National Highway SystemNo

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$2.4 million
NavigationNo navigation control on waterway

Frequently asked questions

When was SR 20 over South River built?

It was built in 2006, making it 19 years old in 2025.

What condition is SR 20 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 January 2025.

How much traffic does SR 20 over South River carry?

About 15,700 vehicles per day (2024 count), of which roughly 1% are trucks.

How long is SR 20 over South River?

The structure is 405 ft (123.4 m) long with a longest span of 135 ft (41.1 m) and a deck 47 ft wide.

Who owns SR 20 over South River?

It is owned by the State Highway Agency.