US Bridges

SR 20 over Big Cotton Indian Creek

Good

Henry County, Georgia · 9 MI NE of Mcdonough · Structure no. 000000015150900

Built
2006
19 years old
Condition
Good
inspected November 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
252 ft
3 main spans
Daily traffic
13,600
2024 count
Owner
State
State Highway Agency

About this bridge

SR 20 over Big Cotton Indian Creek is a prestressed concrete stringer/multi-beam or girder carrying SR 20 over Big Cotton Indian Creek in Henry 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 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 13,600 vehicles a day, roughly 1% of them trucks, projected to reach 11,070 by 2031. The structure is 252 ft (76.8 m) long and 47 ft wide. If it were closed, the detour would be 11.8 mi (19 km).

CarriesSR 20
CrossesBig Cotton Indian Creek
Location9 MI NE of Mcdonough
RouteState Highway 20
StateGeorgia
Coordinates33.51992, -84.06358
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
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment9: Superior to present desirable criteria
Operating rating61 US tons
Inventory rating35.9 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length252 ft (76.8 m)
Longest span84 ft (25.6 m)
Deck width47 ft (14.4 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic13,600 (2024)
Projected traffic11,070 by 2031
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed11.8 mi (19 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$1.5 million
NavigationNo navigation control on waterway

Frequently asked questions

When was SR 20 over Big Cotton Indian Creek built?

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

What condition is SR 20 over Big Cotton Indian Creek 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 November 2024.

How much traffic does SR 20 over Big Cotton Indian Creek carry?

About 13,600 vehicles per day (2024 count), of which roughly 1% are trucks.

How long is SR 20 over Big Cotton Indian Creek?

The structure is 252 ft (76.8 m) long with a longest span of 84 ft (25.6 m) and a deck 47 ft wide.

Who owns SR 20 over Big Cotton Indian Creek?

It is owned by the State Highway Agency.