US Bridges

I-20 over Childers Creek

Good

McDuffie County, Georgia · 6 MI NW of Thomson · Structure no. 000000018900170

Built
1971
54 years old
Condition
Good
inspected January 2025
Type
Culvert
Concrete
Length
21 ft
2 main spans
Daily traffic
30,700
2024 count
Owner
State
State Highway Agency

About this bridge

I-20 over Childers Creek is a concrete culvert carrying I-20 over Childers Creek in McDuffie County, Georgia. It was built in 1971, so it is 54 years old, older 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 30,700 vehicles a day, roughly 1% of them trucks, projected to reach 36,735 by 2031. The structure is 21 ft (6.4 m) long. If it were closed, the detour would be 1.2 mi (2 km).

CarriesI-20
CrossesChilders Creek
Location6 MI NW of Thomson
RouteInterstate 20
StateGeorgia
Coordinates33.49665, -82.60001
Functional classRural Principal Arterial - Interstate

Condition and inspection

Good

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

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert7 GoodSome minor problems.
Last inspectionJanuary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating110.1 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 20 + Mod
Structure length21 ft (6.4 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic30,700 (2024)
Projected traffic36,735 by 2031
Trucks1%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

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$190,000
NavigationNo navigation control on waterway

Frequently asked questions

When was I-20 over Childers Creek built?

It was built in 1971, making it 54 years old in 2025.

What condition is I-20 over Childers 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 January 2025.

How much traffic does I-20 over Childers Creek carry?

About 30,700 vehicles per day (2024 count), of which roughly 1% are trucks.

How long is I-20 over Childers Creek?

The structure is 21 ft (6.4 m) long with a longest span of 10 ft (3 m).

Who owns I-20 over Childers Creek?

It is owned by the State Highway Agency.