US Bridges

SR 56 over Cobb Creek

Good

Toombs County, Georgia · 12 MI S of Vidalia · Structure no. 000000027900150

Built
1985
40 years old
Condition
Good
inspected May 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
160 ft
4 main spans
Daily traffic
2,340
2024 count
Owner
State
State Highway Agency

About this bridge

SR 56 over Cobb Creek is a prestressed concrete stringer/multi-beam or girder carrying SR 56 over Cobb Creek in Toombs County, Georgia. It was built in 1985, so it is 40 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 2,340 vehicles a day, roughly 1% of them trucks, projected to reach 2,655 by 2032. The structure is 160 ft (48.8 m) long and 43 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesSR 56
CrossesCobb Creek
Location12 MI S of Vidalia
RouteState Highway 56
StateGeorgia
Coordinates32.03521, -82.37932
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.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating74 US tons
Inventory rating43 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20 + Mod
Structure length160 ft (48.8 m)
Longest span40 ft (12.2 m)
Deck width43 ft (13.1 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,340 (2024)
Projected traffic2,655 by 2032
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 km)
TollOn a free road
National Highway SystemNo

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$938,000
NavigationNo navigation control on waterway

Frequently asked questions

When was SR 56 over Cobb Creek built?

It was built in 1985, making it 40 years old in 2025.

What condition is SR 56 over Cobb 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 May 2023.

How much traffic does SR 56 over Cobb Creek carry?

About 2,340 vehicles per day (2024 count), of which roughly 1% are trucks.

How long is SR 56 over Cobb Creek?

The structure is 160 ft (48.8 m) long with a longest span of 40 ft (12.2 m) and a deck 43 ft wide.

Who owns SR 56 over Cobb Creek?

It is owned by the State Highway Agency.