US Bridges

I-285 Ramp Ccbl over Rottenwood Cr-Cumb. Bvld

Good

Cobb County, Georgia · 6.7 Miles SE of Marietta · Structure no. 000000006752360

Built
2003
22 years old
Condition
Good
inspected March 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
330 ft
4 main spans
Daily traffic
6,805
2024 count
Owner
State
State Highway Agency

About this bridge

I-285 Ramp Ccbl over Rottenwood Cr-Cumb. Bvld is a prestressed concrete stringer/multi-beam or girder carrying I-285 Ramp Ccbl over Rottenwood Cr-Cumb. Bvld in Cobb County, Georgia. It was built in 2003, so it is 22 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 6,805 vehicles a day, roughly 1% of them trucks, projected to reach 99,255 by 2032. The structure is 330 ft (100.6 m) long and 48 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesI-285 Ramp Ccbl
CrossesRottenwood Cr-Cumb. Bvld
Location6.7 Miles SE of Marietta
RouteInterstate 285
CountyCobb County
StateGeorgia
Coordinates33.89272, -84.45736
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 protection8 Very GoodNo problems noted.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating61 US tons
Inventory rating35.9 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20 + Mod
Structure length330 ft (100.6 m)
Longest span120 ft (36.6 m)
Deck width48 ft (14.7 m)
Roadway width45 ft (13.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,805 (2024)
Projected traffic99,255 by 2032
Trucks1%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway and waterway
Detour if closed3.1 mi (5 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—
NavigationNo navigation control on waterway

Frequently asked questions

When was I-285 Ramp Ccbl over Rottenwood Cr-Cumb. Bvld built?

It was built in 2003, making it 22 years old in 2025.

What condition is I-285 Ramp Ccbl over Rottenwood Cr-Cumb. Bvld 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 March 2023.

How much traffic does I-285 Ramp Ccbl over Rottenwood Cr-Cumb. Bvld carry?

About 6,805 vehicles per day (2024 count), of which roughly 1% are trucks.

How long is I-285 Ramp Ccbl over Rottenwood Cr-Cumb. Bvld?

The structure is 330 ft (100.6 m) long with a longest span of 120 ft (36.6 m) and a deck 48 ft wide.

Who owns I-285 Ramp Ccbl over Rottenwood Cr-Cumb. Bvld?

It is owned by the State Highway Agency.