US Bridges

Roxbury Drive over Flint River Trib.

Fair

Clayton County, Georgia · 1 MI E of Riverdale · Structure no. 000000006350130

Built
1968
57 years old
Condition
Fair
inspected April 2023
Type
Culvert
Steel
Length
37 ft
4 main spans
Daily traffic
300
2024 count
Owner
County
County Highway Agency

About this bridge

Roxbury Drive over Flint River Trib. is a steel culvert carrying Roxbury Drive over Flint River Trib. in Clayton County, Georgia. It was built in 1968, so it is 57 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.

It carries about 300 vehicles a day, roughly 1% of them trucks, projected to reach 2,895 by 2032. The structure is 37 ft (11.3 m) long. If it were closed, the detour would be 1.2 mi (2 km).

CarriesRoxbury Drive
CrossesFlint River Trib.
Location1 MI E of Riverdale
RouteCounty Highway 400
StateGeorgia
Coordinates33.56857, -84.38482
Functional classUrban Local

Condition and inspection

Fair

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

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
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 alignment7: Better than present minimum criteria
Operating rating110.1 US tons
Inventory rating110.1 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans4
Design loadH 15
Structure length37 ft (11.3 m)
Longest span7 ft (2.1 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic300 (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 1968, making it 57 years old in 2025.

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

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

About 300 vehicles per day (2024 count), of which roughly 1% are trucks.

How long is Roxbury Drive over Flint River Trib.?

The structure is 37 ft (11.3 m) long with a longest span of 7 ft (2.1 m).

Who owns Roxbury Drive over Flint River Trib.?

It is owned by the County Highway Agency.