US Bridges

Roundtree Br. RD over I-75 (exit 41)

Fair

Cook County, Georgia · In West Sparks · Structure no. 000000007500290

Built
1960
65 years old
Condition
Fair
inspected October 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
188 ft
4 main spans
Daily traffic
2,520
2024 count
Owner
State
State Highway Agency

About this bridge

Roundtree Br. RD over I-75 (exit 41) is a steel stringer/multi-beam or girder carrying Roundtree Br. RD over I-75 (exit 41) in Cook 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 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 2,520 vehicles a day, roughly 1% of them trucks, projected to reach 3,225 by 2031. The structure is 188 ft (57.3 m) long and 34 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesRoundtree Br. RD
CrossesI-75 (exit 41)
LocationIn West Sparks
RouteCounty Highway 1211
CountyCook County
StateGeorgia
Coordinates31.1659, -83.44935
Functional classUrban Minor Arterial

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.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating44 US tons
Inventory rating25.9 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20 + Mod
Structure length188 ft (57.3 m)
Longest span60 ft (18.3 m)
Deck width34 ft (10.4 m)
Roadway width29 ft (8.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,520 (2024)
Projected traffic3,225 by 2031
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed5 mi (8 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost$1.1 million
NavigationNot applicable (no waterway)

Frequently asked questions

When was Roundtree Br. RD over I-75 (exit 41) built?

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

What condition is Roundtree Br. RD over I-75 (exit 41) 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 October 2024.

How much traffic does Roundtree Br. RD over I-75 (exit 41) carry?

About 2,520 vehicles per day (2024 count), of which roughly 1% are trucks.

How long is Roundtree Br. RD over I-75 (exit 41)?

The structure is 188 ft (57.3 m) long with a longest span of 60 ft (18.3 m) and a deck 34 ft wide.

Who owns Roundtree Br. RD over I-75 (exit 41)?

It is owned by the State Highway Agency.