US Bridges

Chattanooga Valley over Rock Creek

FairPosted for load

Walker County, Georgia · 6.1 MI NW of Chickamauga · Structure no. 000000029500280

Built
1955
70 years old
Condition
Fair
inspected February 2025
Type
Stringer/Multi-beam or Girder
Steel
Length
120 ft
4 main spans
Daily traffic
1,230
2024 count
Owner
County
County Highway Agency

About this bridge

Chattanooga Valley over Rock Creek is a steel stringer/multi-beam or girder carrying Chattanooga Valley over Rock Creek in Walker County, Georgia. It was built in 1955, so it is 70 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 5 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 1,230 vehicles a day, roughly 1% of them trucks, projected to reach 3,360 by 2031. The structure is 120 ft (36.6 m) long and 34 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

CarriesChattanooga Valley
CrossesRock Creek
Location6.1 MI NW of Chickamauga
RouteCounty Highway 838
StateGeorgia
Coordinates34.95106, -85.34108
Functional classRural 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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionFebruary 2025
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating30 US tons
Inventory rating18 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans4
Design loadH 15
Structure length120 ft (36.6 m)
Longest span30 ft (9.1 m)
Deck width34 ft (10.4 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,230 (2024)
Projected traffic3,360 by 2031
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed9.9 mi (16 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$703,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Chattanooga Valley over Rock Creek built?

It was built in 1955, making it 70 years old in 2025.

What condition is Chattanooga Valley over Rock 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 February 2025.

How much traffic does Chattanooga Valley over Rock Creek carry?

About 1,230 vehicles per day (2024 count), of which roughly 1% are trucks.

How long is Chattanooga Valley over Rock Creek?

The structure is 120 ft (36.6 m) long with a longest span of 30 ft (9.1 m) and a deck 34 ft wide.

Who owns Chattanooga Valley over Rock Creek?

It is owned by the County Highway Agency.