US Bridges

Brock Road over W Chickamauga Crk Trib

Fair

Walker County, Georgia · 3.9 MI S of Chickamauga · Structure no. 000000029550470

Built
1935
90 years old, rebuilt 1980
Condition
Fair
inspected December 2024
Type
Tee Beam
Concrete Continuous
Length
27 ft
2 main spans
Daily traffic
323
2024 count
Owner
County
County Highway Agency

About this bridge

Brock Road over W Chickamauga Crk Trib is a concrete continuous tee beam carrying Brock Road over W Chickamauga Crk Trib in Walker County, Georgia. It was built in 1935 and reconstructed in 1980, so it is 90 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.

It carries about 323 vehicles a day, roughly 1% of them trucks, projected to reach 150 by 2031. The structure is 27 ft (8.2 m) long and 29 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

CarriesBrock Road
CrossesW Chickamauga Crk Trib
Location3.9 MI S of Chickamauga
RouteCounty Highway 173
StateGeorgia
Coordinates34.81776, -85.30699
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating36.9 US tons
Inventory rating26.9 US tons

Structure

Structure typeTee Beam
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadUnknown
Structure length27 ft (8.2 m)
Longest span14 ft (4.3 m)
Deck width29 ft (8.7 m)
Roadway width25 ft (7.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic323 (2024)
Projected traffic150 by 2031
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed98.8 mi (159 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$158,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Brock Road over W Chickamauga Crk Trib built?

It was built in 1935, making it 90 years old in 2025. It was reconstructed in 1980.

What condition is Brock Road over W Chickamauga Crk Trib 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 December 2024.

How much traffic does Brock Road over W Chickamauga Crk Trib carry?

About 323 vehicles per day (2024 count), of which roughly 1% are trucks.

How long is Brock Road over W Chickamauga Crk Trib?

The structure is 27 ft (8.2 m) long with a longest span of 14 ft (4.3 m) and a deck 29 ft wide.

Who owns Brock Road over W Chickamauga Crk Trib?

It is owned by the County Highway Agency.