US Bridges

Franklin Road over Rottenwood Creek

GoodPosted for load

Cobb County, Georgia · In SE Marietta · Structure no. 000000006750620

Built
1968
57 years old
Condition
Good
inspected August 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
65 ft
1 main span
Daily traffic
2,047
2024 count
Owner
City
City or Municipal Highway Agency

About this bridge

Franklin Road over Rottenwood Creek is a steel stringer/multi-beam or girder carrying Franklin Road over Rottenwood Creek in Cobb 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 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. Its operating status is: posted for load restriction.

It carries about 2,047 vehicles a day, roughly 1% of them trucks, projected to reach 2,895 by 2032. The structure is 65 ft (19.8 m) long and 50 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesFranklin Road
CrossesRottenwood Creek
LocationIn SE Marietta
RouteCity Street 1132
StateGeorgia
Coordinates33.92728, -84.49286
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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating39.9 US tons
Inventory rating23.9 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20 + Mod
Structure length65 ft (19.8 m)
Longest span65 ft (19.8 m)
Deck width50 ft (15.2 m)
Roadway width48 ft (14.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,047 (2024)
Projected traffic2,895 by 2032
Trucks1%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost$589,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Franklin Road over Rottenwood Creek built?

It was built in 1968, making it 57 years old in 2025.

What condition is Franklin Road over Rottenwood 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 Franklin Road over Rottenwood Creek carry?

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

How long is Franklin Road over Rottenwood Creek?

The structure is 65 ft (19.8 m) long with a longest span of 65 ft (19.8 m) and a deck 50 ft wide.

Who owns Franklin Road over Rottenwood Creek?

It is owned by the City or Municipal Highway Agency.