US Bridges

Keith Mill Road over Coahulla Creek

Fair

Whitfield County, Georgia · 5.4 MI SE of Dalton · Structure no. 000000031350490

Built
1978
47 years old
Condition
Fair
inspected June 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
280 ft
7 main spans
Daily traffic
460
2024 count
Owner
County
County Highway Agency

About this bridge

Keith Mill Road over Coahulla Creek is a prestressed concrete box beam or girders - multiple carrying Keith Mill Road over Coahulla Creek in Whitfield County, Georgia. It was built in 1978, so it is 47 years old, younger 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.

It carries about 460 vehicles a day, roughly 1% of them trucks, projected to reach 645 by 2031. The structure is 280 ft (85.3 m) long and 32 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesKeith Mill Road
CrossesCoahulla Creek
Location5.4 MI SE of Dalton
RouteCounty Highway 676
StateGeorgia
Coordinates34.74354, -84.88057
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating53.9 US tons
Inventory rating32 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans7
Design loadHS 15
Structure length280 ft (85.3 m)
Longest span40 ft (12.2 m)
Deck width32 ft (9.9 m)
Roadway width29 ft (8.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic460 (2024)
Projected traffic645 by 2031
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 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$1.6 million
NavigationNo navigation control on waterway

Frequently asked questions

When was Keith Mill Road over Coahulla Creek built?

It was built in 1978, making it 47 years old in 2025.

What condition is Keith Mill Road over Coahulla 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 June 2024.

How much traffic does Keith Mill Road over Coahulla Creek carry?

About 460 vehicles per day (2024 count), of which roughly 1% are trucks.

How long is Keith Mill Road over Coahulla Creek?

The structure is 280 ft (85.3 m) long with a longest span of 40 ft (12.2 m) and a deck 32 ft wide.

Who owns Keith Mill Road over Coahulla Creek?

It is owned by the County Highway Agency.