US Bridges

Benton Grove Road over Lagoon

Good

Chatham County, Georgia · 1.47 Miles West of Savann · Structure no. 000000005151330

Built
2020
5 years old
Condition
Good
inspected May 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
89 ft
1 main span
Daily traffic
50
2024 count
Owner
City
City or Municipal Highway Agency

About this bridge

Benton Grove Road over Lagoon is a prestressed concrete stringer/multi-beam or girder carrying Benton Grove Road over Lagoon in Chatham County, Georgia. It was built in 2020, so it is 5 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 50 vehicles a day, projected to reach 70 by 2040. The structure is 89 ft (27.1 m) long and 34 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

Location

Open in Google Maps
CarriesBenton Grove Road
CrossesLagoon
Location1.47 Miles West of Savann
RouteCity Street 99999
CountyChatham County
StateGeorgia
Coordinates32.12934, -81.24706
Functional classUrban Local

Condition and inspection

Good

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

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation8: Equal to present desirable criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating88 US tons
Inventory rating50.9 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length89 ft (27.1 m)
Longest span89 ft (27.1 m)
Deck width34 ft (10.5 m)
Roadway width26 ft (8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (2024)
Projected traffic70 by 2040
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed98.8 mi (159 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedDeck replacement with only incidental widening
Estimated improvement cost$11.9 million (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Benton Grove Road over Lagoon built?

It was built in 2020, making it 5 years old in 2025.

What condition is Benton Grove Road over Lagoon 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 May 2024.

How much traffic does Benton Grove Road over Lagoon carry?

About 50 vehicles per day (2024 count).

How long is Benton Grove Road over Lagoon?

The structure is 89 ft (27.1 m) long with a longest span of 89 ft (27.1 m) and a deck 34 ft wide.

Who owns Benton Grove Road over Lagoon?

It is owned by the City or Municipal Highway Agency.