US Bridges

L. Dug Gap Road over Swamp Creek

FairPosted for load

Whitfield County, Georgia · 8 MI SW of Dalton · Structure no. 000000031350040

Built
1981
44 years old
Condition
Fair
inspected June 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
116 ft
2 main spans
Daily traffic
4,150
2024 count
Owner
County
County Highway Agency

About this bridge

L. Dug Gap Road over Swamp Creek is a steel stringer/multi-beam or girder carrying L. Dug Gap Road over Swamp Creek in Whitfield County, Georgia. It was built in 1981, so it is 44 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. Its operating status is: posted for load restriction.

It carries about 4,150 vehicles a day, roughly 1% of them trucks, projected to reach 3,735 by 2031. The structure is 116 ft (35.4 m) long and 31 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesL. Dug Gap Road
CrossesSwamp Creek
Location8 MI SW of Dalton
RouteCounty Highway 16
StateGeorgia
Coordinates34.64908, -84.99535
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating34 US tons
Inventory rating20 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans2
Design loadUnknown
Structure length116 ft (35.4 m)
Longest span58 ft (17.7 m)
Deck width31 ft (9.5 m)
Roadway width28 ft (8.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,150 (2024)
Projected traffic3,735 by 2031
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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$680,000
NavigationNo navigation control on waterway

Frequently asked questions

When was L. Dug Gap Road over Swamp Creek built?

It was built in 1981, making it 44 years old in 2025.

What condition is L. Dug Gap Road over Swamp 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 L. Dug Gap Road over Swamp Creek carry?

About 4,150 vehicles per day (2024 count), of which roughly 1% are trucks.

How long is L. Dug Gap Road over Swamp Creek?

The structure is 116 ft (35.4 m) long with a longest span of 58 ft (17.7 m) and a deck 31 ft wide.

Who owns L. Dug Gap Road over Swamp Creek?

It is owned by the County Highway Agency.