US Bridges

Mountain Ind Blvd over CSX Railroad

Good

DeKalb County, Georgia · 3.7 MI NW of Stone Mtn · Structure no. 000000008901310

Built
1977
48 years old
Condition
Good
inspected June 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
365 ft
5 main spans
Daily traffic
28,200
2024 count
Owner
County
County Highway Agency

About this bridge

Mountain Ind Blvd over CSX Railroad is a steel stringer/multi-beam or girder carrying Mountain Ind Blvd over CSX Railroad in DeKalb 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 28,200 vehicles a day, roughly 1% of them trucks, projected to reach 35,010 by 2031. The structure is 365 ft (111.3 m) long and 62 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesMountain Ind Blvd
CrossesCSX Railroad
Location3.7 MI NW of Stone Mtn
RouteCounty Highway 5164
StateGeorgia
Coordinates33.85576, -84.20011
Functional classUrban Other Principal 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 inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment7: Better than present minimum criteria
Operating rating67.9 US tons
Inventory rating40.9 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans5
Design loadHS 20 + Mod
Structure length365 ft (111.3 m)
Longest span95 ft (29 m)
Deck width62 ft (19 m)
Roadway width52 ft (15.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic28,200 (2024)
Projected traffic35,010 by 2031
Trucks1%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesRailroad
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemYes

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$3.3 million
NavigationNot applicable (no waterway)

Frequently asked questions

When was Mountain Ind Blvd over CSX Railroad built?

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

What condition is Mountain Ind Blvd over CSX Railroad 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 June 2024.

How much traffic does Mountain Ind Blvd over CSX Railroad carry?

About 28,200 vehicles per day (2024 count), of which roughly 1% are trucks.

How long is Mountain Ind Blvd over CSX Railroad?

The structure is 365 ft (111.3 m) long with a longest span of 95 ft (29 m) and a deck 62 ft wide.

Who owns Mountain Ind Blvd over CSX Railroad?

It is owned by the County Highway Agency.