US Bridges

Cox Road over Buffalo Swamp

Good

McIntosh County, Georgia · 6 MI NW of Darien · Structure no. 000000019100430

Built
1960
65 years old
Condition
Good
inspected April 2024
Type
Culvert
Concrete
Length
31 ft
3 main spans
Daily traffic
1,153
2024 count
Owner
County
County Highway Agency

About this bridge

Cox Road over Buffalo Swamp is a concrete culvert carrying Cox Road over Buffalo Swamp in McIntosh County, Georgia. It was built in 1960, so it is 65 years old, older 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 1,153 vehicles a day, roughly 1% of them trucks, projected to reach 1,110 by 2031. The structure is 31 ft (9.4 m) long. If it were closed, the detour would be 6.2 mi (10 km).

CarriesCox Road
CrossesBuffalo Swamp
Location6 MI NW of Darien
RouteCounty Highway 2387
StateGeorgia
Coordinates31.43937, -81.51379
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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert7 GoodSome minor problems.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating46 US tons
Inventory rating26.9 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadH 15
Structure length31 ft (9.4 m)
Longest span9 ft (2.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,153 (2024)
Projected traffic1,110 by 2031
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

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost$182,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Cox Road over Buffalo Swamp built?

It was built in 1960, making it 65 years old in 2025.

What condition is Cox Road over Buffalo 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 April 2024.

How much traffic does Cox Road over Buffalo Swamp carry?

About 1,153 vehicles per day (2024 count), of which roughly 1% are trucks.

How long is Cox Road over Buffalo Swamp?

The structure is 31 ft (9.4 m) long with a longest span of 9 ft (2.7 m).

Who owns Cox Road over Buffalo Swamp?

It is owned by the County Highway Agency.