US Bridges

Lower Roswell RD over Sope Creek

Good

Cobb County, Georgia · 6.1 MI E of Marietta · Structure no. 000000006701640

Built
1970
55 years old, rebuilt 1995
Condition
Good
inspected August 2023
Type
Tee Beam
Concrete
Length
190 ft
5 main spans
Daily traffic
16,800
2024 count
Owner
County
County Highway Agency

About this bridge

Lower Roswell RD over Sope Creek is a concrete tee beam carrying Lower Roswell RD over Sope Creek in Cobb County, Georgia. It was built in 1970 and reconstructed in 1995, so it is 55 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 16,800 vehicles a day, roughly 1% of them trucks, projected to reach 27,750 by 2032. The structure is 190 ft (57.9 m) long and 52 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesLower Roswell RD
CrossesSope Creek
Location6.1 MI E of Marietta
RouteCity Street 9033
StateGeorgia
Coordinates33.95398, -84.44331
Functional classUrban Minor Arterial

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 inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating34.9 US tons
Inventory rating20.9 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans5
Design loadHS 20 + Mod
Structure length190 ft (57.9 m)
Longest span38 ft (11.6 m)
Deck width52 ft (16 m)
Roadway width38 ft (11.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic16,800 (2024)
Projected traffic27,750 by 2032
Trucks1%
Lanes on structure3
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed5 mi (8 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$1.4 million
NavigationNo navigation control on waterway

Frequently asked questions

When was Lower Roswell RD over Sope Creek built?

It was built in 1970, making it 55 years old in 2025. It was reconstructed in 1995.

What condition is Lower Roswell RD over Sope Creek 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 August 2023.

How much traffic does Lower Roswell RD over Sope Creek carry?

About 16,800 vehicles per day (2024 count), of which roughly 1% are trucks.

How long is Lower Roswell RD over Sope Creek?

The structure is 190 ft (57.9 m) long with a longest span of 38 ft (11.6 m) and a deck 52 ft wide.

Who owns Lower Roswell RD over Sope Creek?

It is owned by the County Highway Agency.