US Bridges

Roxbury Drive over Flint River Trib.

Good

Clayton County, Georgia · 0.5 MI E of Riverdale · Structure no. 000000006350140

Built
1962
63 years old
Condition
Good
inspected April 2023
Type
Culvert
Concrete
Length
21 ft
2 main spans
Daily traffic
2,047
2024 count
Owner
County
County Highway Agency

About this bridge

Roxbury Drive over Flint River Trib. is a concrete culvert carrying Roxbury Drive over Flint River Trib. in Clayton County, Georgia. It was built in 1962, so it is 63 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 2,047 vehicles a day, roughly 1% of them trucks, projected to reach 2,895 by 2032. The structure is 21 ft (6.4 m) long. If it were closed, the detour would be 1.2 mi (2 km).

CarriesRoxbury Drive
CrossesFlint River Trib.
Location0.5 MI E of Riverdale
RouteCounty Highway 400
StateGeorgia
Coordinates33.57278, -84.39299
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
Channel and channel protection8 Very GoodNo problems noted.
Culvert7 GoodSome minor problems.
Last inspectionApril 2023
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 alignment6: Equal to present minimum criteria
Operating rating46 US tons
Inventory rating26.9 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadH 15
Structure length21 ft (6.4 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,047 (2024)
Projected traffic2,895 by 2032
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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—
NavigationNo navigation control on waterway

Frequently asked questions

When was Roxbury Drive over Flint River Trib. built?

It was built in 1962, making it 63 years old in 2025.

What condition is Roxbury Drive over Flint River Trib. 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 2023.

How much traffic does Roxbury Drive over Flint River Trib. carry?

About 2,047 vehicles per day (2024 count), of which roughly 1% are trucks.

How long is Roxbury Drive over Flint River Trib.?

The structure is 21 ft (6.4 m) long with a longest span of 10 ft (3 m).

Who owns Roxbury Drive over Flint River Trib.?

It is owned by the County Highway Agency.