US Bridges

Lewiston Road over I-20

Good

Columbia County, Georgia · 2.1 MI North of Grovetown · Structure no. 000000007350230

Built
2009
16 years old
Condition
Good
inspected June 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
223 ft
2 main spans
Daily traffic
17,800
2024 count
Owner
State
State Highway Agency

About this bridge

Lewiston Road over I-20 is a prestressed concrete stringer/multi-beam or girder carrying Lewiston Road over I-20 in Columbia County, Georgia. It was built in 2009, so it is 16 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 17,800 vehicles a day, roughly 1% of them trucks, projected to reach 21,750 by 2032. The structure is 223 ft (68 m) long and 95 ft wide.

CarriesLewiston Road
CrossesI-20
Location2.1 MI North of Grovetown
RouteState Highway 388
StateGeorgia
Coordinates33.48381, -82.19928
Functional classRural Major Collector

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.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48.9 US tons
Inventory rating29 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20 + Mod
Structure length223 ft (68 m)
Longest span112 ft (34.1 m)
Deck width95 ft (29 m)
Roadway width87 ft (26.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic17,800 (2024)
Projected traffic21,750 by 2032
Trucks1%
Lanes on structure5
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed—
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$2.4 million
NavigationNo navigation control on waterway

Frequently asked questions

When was Lewiston Road over I-20 built?

It was built in 2009, making it 16 years old in 2025.

What condition is Lewiston Road over I-20 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 June 2023.

How much traffic does Lewiston Road over I-20 carry?

About 17,800 vehicles per day (2024 count), of which roughly 1% are trucks.

How long is Lewiston Road over I-20?

The structure is 223 ft (68 m) long with a longest span of 112 ft (34.1 m) and a deck 95 ft wide.

Who owns Lewiston Road over I-20?

It is owned by the State Highway Agency.