US Bridges

Red Top Mtn. Road over I-75

Good

Bartow County, Georgia · 1.5 MI NE of Emerson · Structure no. 000000001501240

Built
1977
48 years old
Condition
Good
inspected August 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
278 ft
2 main spans
Daily traffic
4,860
2024 count
Owner
State
State Highway Agency

About this bridge

Red Top Mtn. Road over I-75 is a steel continuous stringer/multi-beam or girder carrying Red Top Mtn. Road over I-75 in Bartow County, Georgia. It was built in 1977, so it is 48 years old, older than the Georgia average of 47.5 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 4,860 vehicles a day, roughly 1% of them trucks, projected to reach 6,150 by 2031. The structure is 278 ft (84.7 m) long and 94 ft wide.

CarriesRed Top Mtn. Road
CrossesI-75
Location1.5 MI NE of Emerson
RouteCounty Highway 1665
StateGeorgia
Coordinates34.14259, -84.73894
Functional classUrban Minor Arterial

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48.9 US tons
Inventory rating29 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20 + Mod
Structure length278 ft (84.7 m)
Longest span139 ft (42.4 m)
Deck width94 ft (28.8 m)
Roadway width76 ft (23.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,860 (2024)
Projected traffic6,150 by 2031
Trucks1%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed—
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

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$2.5 million
NavigationNot applicable (no waterway)

Frequently asked questions

When was Red Top Mtn. Road over I-75 built?

It was built in 1977, making it 48 years old in 2025.

What condition is Red Top Mtn. Road over I-75 in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in August 2024.

How much traffic does Red Top Mtn. Road over I-75 carry?

About 4,860 vehicles per day (2024 count), of which roughly 1% are trucks.

How long is Red Top Mtn. Road over I-75?

The structure is 278 ft (84.7 m) long with a longest span of 139 ft (42.4 m) and a deck 94 ft wide.

Who owns Red Top Mtn. Road over I-75?

It is owned by the State Highway Agency.