US Bridges

Mountain Ind. Blvd over SR 410 Stone Mtn Freeway

Fair

DeKalb County, Georgia · 2.6 MI NW of Stone Mtn · Structure no. 000000008901320

Built
1967
58 years old, rebuilt 1986
Condition
Fair
inspected July 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
267 ft
4 main spans
Daily traffic
36,300
2024 count
Owner
State
State Highway Agency

About this bridge

Mountain Ind. Blvd over SR 410 Stone Mtn Freeway is a steel stringer/multi-beam or girder carrying Mountain Ind. Blvd over SR 410 Stone Mtn Freeway in DeKalb County, Georgia. It was built in 1967 and reconstructed in 1986, so it is 58 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 36,300 vehicles a day, roughly 1% of them trucks, projected to reach 33,840 by 2031. The structure is 267 ft (81.4 m) long and 83 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

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CarriesMountain Ind. Blvd
CrossesSR 410 Stone Mtn Freeway
Location2.6 MI NW of Stone Mtn
RouteCounty Highway 5184
CountyDeKalb County
StateGeorgia
Coordinates33.835, -84.20023
Functional classUrban Other Principal Arterial

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.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
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
Approach roadway alignment8: Equal to present desirable criteria
Operating rating40.9 US tons
Inventory rating23.9 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20 + Mod
Structure length267 ft (81.4 m)
Longest span73 ft (22.3 m)
Deck width83 ft (25.4 m)
Roadway width78 ft (23.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic36,300 (2024)
Projected traffic33,840 by 2031
Trucks1%
Lanes on structure6
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemYes

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$3.3 million
NavigationNot applicable (no waterway)

Frequently asked questions

When was Mountain Ind. Blvd over SR 410 Stone Mtn Freeway built?

It was built in 1967, making it 58 years old in 2025. It was reconstructed in 1986.

What condition is Mountain Ind. Blvd over SR 410 Stone Mtn Freeway 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 July 2024.

How much traffic does Mountain Ind. Blvd over SR 410 Stone Mtn Freeway carry?

About 36,300 vehicles per day (2024 count), of which roughly 1% are trucks.

How long is Mountain Ind. Blvd over SR 410 Stone Mtn Freeway?

The structure is 267 ft (81.4 m) long with a longest span of 73 ft (22.3 m) and a deck 83 ft wide.

Who owns Mountain Ind. Blvd over SR 410 Stone Mtn Freeway?

It is owned by the State Highway Agency.