US Bridges

Dug Gap Road over I-75

Fair

Whitfield County, Georgia · 3 MI SW of Dalton · Structure no. 000000031300580

Built
1963
62 years old
Condition
Fair
inspected May 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
287 ft
4 main spans
Daily traffic
710
2024 count
Owner
State
State Highway Agency

About this bridge

Dug Gap Road over I-75 is a steel stringer/multi-beam or girder carrying Dug Gap Road over I-75 in Whitfield County, Georgia. It was built in 1963, so it is 62 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.

It carries about 710 vehicles a day, roughly 1% of them trucks, projected to reach 1,140 by 2031. The structure is 287 ft (87.5 m) long and 33 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

CarriesDug Gap Road
CrossesI-75
Location3 MI SW of Dalton
RouteCity Street 1519
StateGeorgia
Coordinates34.73976, -85.00232
Functional classUrban Collector

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.
Substructure7 GoodSome minor problems.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating50.9 US tons
Inventory rating35.9 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20 + Mod
Structure length287 ft (87.5 m)
Longest span77 ft (23.5 m)
Deck width33 ft (10.1 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic710 (2024)
Projected traffic1,140 by 2031
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed9.9 mi (16 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost$1.7 million
NavigationNot applicable (no waterway)

Frequently asked questions

When was Dug Gap Road over I-75 built?

It was built in 1963, making it 62 years old in 2025.

What condition is Dug Gap Road over I-75 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 May 2024.

How much traffic does Dug Gap Road over I-75 carry?

About 710 vehicles per day (2024 count), of which roughly 1% are trucks.

How long is Dug Gap Road over I-75?

The structure is 287 ft (87.5 m) long with a longest span of 77 ft (23.5 m) and a deck 33 ft wide.

Who owns Dug Gap Road over I-75?

It is owned by the State Highway Agency.