US Bridges

I-20 (wbl) over Augusta Canal

Good

Richmond County, Georgia · 15.5 MI N of Hephzibah · Structure no. 000000024551010

Built
2021
4 years old
Condition
Good
inspected October 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
384 ft
3 main spans
Daily traffic
37,100
2024 count
Owner
State
State Highway Agency

About this bridge

I-20 (wbl) over Augusta Canal is a prestressed concrete stringer/multi-beam or girder carrying I-20 (wbl) over Augusta Canal in Richmond County, Georgia. It was built in 2021, so it is 4 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 37,100 vehicles a day, roughly 1% of them trucks, projected to reach 77,790 by 2041. The structure is 384 ft (117 m) long and 63 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesI-20 (wbl)
CrossesAugusta Canal
Location15.5 MI N of Hephzibah
RouteInterstate 20
CountyRichmond County
StateGeorgia
Coordinates33.52844, -82.01793
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.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating64.9 US tons
Inventory rating37.9 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length384 ft (117 m)
Longest span160 ft (48.8 m)
Deck width63 ft (19.2 m)
Roadway width60 ft (18.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic37,100 (2024)
Projected traffic77,790 by 2041
Trucks1%
Lanes on structure2
Traffic directionOne-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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$51.2 million (2021 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was I-20 (wbl) over Augusta Canal built?

It was built in 2021, making it 4 years old in 2025.

What condition is I-20 (wbl) over Augusta Canal 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 October 2023.

How much traffic does I-20 (wbl) over Augusta Canal carry?

About 37,100 vehicles per day (2024 count), of which roughly 1% are trucks.

How long is I-20 (wbl) over Augusta Canal?

The structure is 384 ft (117 m) long with a longest span of 160 ft (48.8 m) and a deck 63 ft wide.

Who owns I-20 (wbl) over Augusta Canal?

It is owned by the State Highway Agency.