US Bridges

Post Road over White Oak Swamp

Good

Camden County, Georgia · 11 MI NW of Woodbine · Structure no. 000000003950540

Built
2002
23 years old
Condition
Good
inspected May 2023
Type
Slab
Concrete
Length
40 ft
2 main spans
Daily traffic
130
2024 count
Owner
County
County Highway Agency

About this bridge

Post Road over White Oak Swamp is a concrete slab carrying Post Road over White Oak Swamp in Camden County, Georgia. It was built in 2002, so it is 23 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 130 vehicles a day, roughly 1% of them trucks, projected to reach 735 by 2032. The structure is 40 ft (12.2 m) long and 27 ft wide. If it were closed, the detour would be 8.7 mi (14 km).

CarriesPost Road
CrossesWhite Oak Swamp
Location11 MI NW of Woodbine
RouteCounty Highway 139
StateGeorgia
Coordinates31.05592, -81.80914
Functional classRural Minor 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.
Superstructure7 GoodSome minor problems.
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 geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating61.9 US tons
Inventory rating42 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, precast panels
Main spans2
Design loadHS 20 + Mod
Structure length40 ft (12.2 m)
Longest span20 ft (6.1 m)
Deck width27 ft (8.1 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic130 (2024)
Projected traffic735 by 2032
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.7 mi (14 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$234,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Post Road over White Oak Swamp built?

It was built in 2002, making it 23 years old in 2025.

What condition is Post Road over White Oak Swamp 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 Post Road over White Oak Swamp carry?

About 130 vehicles per day (2024 count), of which roughly 1% are trucks.

How long is Post Road over White Oak Swamp?

The structure is 40 ft (12.2 m) long with a longest span of 20 ft (6.1 m) and a deck 27 ft wide.

Who owns Post Road over White Oak Swamp?

It is owned by the County Highway Agency.