US Bridges

I-675R NB to I-285 over NS Railroad

Good

DeKalb County, Georgia · 5 MI S of Decatur · Structure no. 000000008902920

Built
1984
41 years old
Condition
Good
inspected March 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
149 ft
3 main spans
Daily traffic
16,500
2024 count
Owner
State
State Highway Agency

About this bridge

I-675R NB to I-285 over NS Railroad is a prestressed concrete stringer/multi-beam or girder carrying I-675R NB to I-285 over NS Railroad in DeKalb County, Georgia. It was built in 1984, so it is 41 years old, younger 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 16,500 vehicles a day, roughly 13% of them trucks, projected to reach 112,215 by 2031. The structure is 149 ft (45.4 m) long and 45 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesI-675R NB to I-285
CrossesNS Railroad
Location5 MI S of Decatur
RouteInterstate 675
StateGeorgia
Coordinates33.67511, -84.32936
Functional classUrban Principal Arterial - Interstate

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.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating58 US tons
Inventory rating34.9 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length149 ft (45.4 m)
Longest span57 ft (17.4 m)
Deck width45 ft (13.8 m)
Roadway width42 ft (12.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic16,500 (2024)
Projected traffic112,215 by 2031
Trucks13%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesRailroad
Detour if closed1.2 mi (2 km)
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$873,000
NavigationNot applicable (no waterway)

Frequently asked questions

When was I-675R NB to I-285 over NS Railroad built?

It was built in 1984, making it 41 years old in 2025.

What condition is I-675R NB to I-285 over NS 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 March 2024.

How much traffic does I-675R NB to I-285 over NS Railroad carry?

About 16,500 vehicles per day (2024 count), of which roughly 13% are trucks.

How long is I-675R NB to I-285 over NS Railroad?

The structure is 149 ft (45.4 m) long with a longest span of 57 ft (17.4 m) and a deck 45 ft wide.

Who owns I-675R NB to I-285 over NS Railroad?

It is owned by the State Highway Agency.