US Bridges

Concord RD (covere over Nickajack Creek

FairPosted for load

Cobb County, Georgia · 2.5 Miles South West of S · Structure no. 000000006750830

Built
1872
153 years old
Condition
Fair
inspected August 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
117 ft
5 main spans
Daily traffic
2,047
2024 count
Owner
County
County Highway Agency

About this bridge

Concord RD (covere over Nickajack Creek is a steel stringer/multi-beam or girder carrying Concord RD (covere over Nickajack Creek in Cobb County, Georgia. It was built in 1872, so it is 153 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. Its operating status is: posted for load restriction.

It carries about 2,047 vehicles a day, roughly 1% of them trucks, projected to reach 7,755 by 2032. The structure is 117 ft (35.7 m) long and 16 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesConcord RD (covere
CrossesNickajack Creek
Location2.5 Miles South West of S
RouteCounty Highway 1782
CountyCobb County
StateGeorgia
Coordinates33.84917, -84.55893
Functional classUrban Local

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.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation2: Basically intolerable, requiring high priority of replacement
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating19 US tons
Inventory rating12.9 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckWood or timber
Main spans5
Design loadUnknown
Structure length117 ft (35.7 m)
Longest span29 ft (8.8 m)
Deck width16 ft (4.9 m)
Roadway width13 ft (4 m)
Vertical clearance over deck8 ft (2.4 m)

Traffic and service

Average daily traffic2,047 (2024)
Projected traffic7,755 by 2032
Trucks1%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
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 statusListed on the National Register of Historic Places
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$499,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Concord RD (covere over Nickajack Creek built?

It was built in 1872, making it 153 years old in 2025.

What condition is Concord RD (covere over Nickajack Creek 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 August 2023.

How much traffic does Concord RD (covere over Nickajack Creek carry?

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

How long is Concord RD (covere over Nickajack Creek?

The structure is 117 ft (35.7 m) long with a longest span of 29 ft (8.8 m) and a deck 16 ft wide.

Who owns Concord RD (covere over Nickajack Creek?

It is owned by the County Highway Agency.