US Bridges

Whigham Road over Big Slough

FairPosted for load

Mitchell County, Georgia · 10.5 MI SW of Pelham · Structure no. 000000020500620

Built
1961
64 years old
Condition
Fair
inspected August 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
144 ft
9 main spans
Daily traffic
150
2024 count
Owner
County
County Highway Agency

About this bridge

Whigham Road over Big Slough is a steel stringer/multi-beam or girder carrying Whigham Road over Big Slough in Mitchell County, Georgia. It was built in 1961, so it is 64 years old, older than the Georgia average of 47.5 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. Its operating status is: posted for load restriction.

It carries about 150 vehicles a day, roughly 1% of them trucks, projected to reach 195 by 2031. The structure is 144 ft (43.9 m) long and 25 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesWhigham Road
CrossesBig Slough
Location10.5 MI SW of Pelham
RouteCounty Highway 1200
StateGeorgia
Coordinates31.09001, -84.32549
Functional classRural Major Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating39.9 US tons
Inventory rating23.9 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans9
Design loadH 15
Structure length144 ft (43.9 m)
Longest span16 ft (4.9 m)
Deck width25 ft (7.6 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic150 (2024)
Projected traffic195 by 2031
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost$844,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Whigham Road over Big Slough built?

It was built in 1961, making it 64 years old in 2025.

What condition is Whigham Road over Big Slough in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in August 2024.

How much traffic does Whigham Road over Big Slough carry?

About 150 vehicles per day (2024 count), of which roughly 1% are trucks.

How long is Whigham Road over Big Slough?

The structure is 144 ft (43.9 m) long with a longest span of 16 ft (4.9 m) and a deck 25 ft wide.

Who owns Whigham Road over Big Slough?

It is owned by the County Highway Agency.