US Bridges

Robinson Road over Sope Creek

Good

Cobb County, Georgia · 5.6 MI E of Marietta · Structure no. 000000006752170

Built
1998
27 years old
Condition
Good
inspected May 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
61 ft
1 main span
Daily traffic
2,047
2024 count
Owner
County
County Highway Agency

About this bridge

Robinson Road over Sope Creek is a prestressed concrete stringer/multi-beam or girder carrying Robinson Road over Sope Creek in Cobb County, Georgia. It was built in 1998, so it is 27 years old, younger 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 61 ft (18.6 m) long and 39 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesRobinson Road
CrossesSope Creek
Location5.6 MI E of Marietta
RouteCounty Highway 1327
StateGeorgia
Coordinates33.96825, -84.45531
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
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation7: Better than present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating50.9 US tons
Inventory rating35.9 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20 + Mod
Structure length61 ft (18.6 m)
Longest span61 ft (18.6 m)
Deck width39 ft (12 m)
Roadway width27 ft (8.2 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 and pedestrian
CrossesWaterway
Detour if closed3.7 mi (6 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$358,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Robinson Road over Sope Creek built?

It was built in 1998, making it 27 years old in 2025.

What condition is Robinson Road 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 May 2023.

How much traffic does Robinson Road over Sope Creek carry?

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

How long is Robinson Road over Sope Creek?

The structure is 61 ft (18.6 m) long with a longest span of 61 ft (18.6 m) and a deck 39 ft wide.

Who owns Robinson Road over Sope Creek?

It is owned by the County Highway Agency.