US Bridges

I-20 over Sweetwater Creek

Good

Douglas County, Georgia · 7.7 MI E of Douglasville · Structure no. 000000009700250

Built
1962
63 years old, rebuilt 1979
Condition
Good
inspected November 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
300 ft
4 main spans
Daily traffic
117,000
2024 count
Owner
State
State Highway Agency

About this bridge

I-20 over Sweetwater Creek is a steel stringer/multi-beam or girder carrying I-20 over Sweetwater Creek in Douglas County, Georgia. It was built in 1962 and reconstructed in 1979, so it is 63 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 117,000 vehicles a day, roughly 1% of them trucks, projected to reach 143,775 by 2032. The structure is 300 ft (91.4 m) long and 138 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesI-20
CrossesSweetwater Creek
Location7.7 MI E of Douglasville
RouteInterstate 20
StateGeorgia
Coordinates33.77633, -84.61491
Functional classUrban 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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionNovember 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 geometry9: Superior to present desirable criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating54.9 US tons
Inventory rating33 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20 + Mod
Structure length300 ft (91.4 m)
Longest span75 ft (22.9 m)
Deck width138 ft (42.2 m)
Roadway width135 ft (41.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic117,000 (2024)
Projected traffic143,775 by 2032
Trucks1%
Lanes on structure6
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$3.7 million
NavigationNo navigation control on waterway

Frequently asked questions

When was I-20 over Sweetwater Creek built?

It was built in 1962, making it 63 years old in 2025. It was reconstructed in 1979.

What condition is I-20 over Sweetwater 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 2023.

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

About 117,000 vehicles per day (2024 count), of which roughly 1% are trucks.

How long is I-20 over Sweetwater Creek?

The structure is 300 ft (91.4 m) long with a longest span of 75 ft (22.9 m) and a deck 138 ft wide.

Who owns I-20 over Sweetwater Creek?

It is owned by the State Highway Agency.