US Bridges

I-75 over NS Railroad

Good

Cook County, Georgia · NW Sparks · Structure no. 000000007550620

Built
2008
17 years old
Condition
Good
inspected October 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
202 ft
3 main spans
Daily traffic
54,000
2024 count
Owner
State
State Highway Agency

About this bridge

I-75 over NS Railroad is a prestressed concrete stringer/multi-beam or girder carrying I-75 over NS Railroad in Cook County, Georgia. It was built in 2008, so it is 17 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 54,000 vehicles a day, roughly 1% of them trucks, projected to reach 51,045 by 2031. The structure is 202 ft (61.6 m) long and 138 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesI-75
CrossesNS Railroad
LocationNW Sparks
RouteInterstate 75
StateGeorgia
Coordinates31.17128, -83.45054
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 inspectionOctober 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 rating76.9 US tons
Inventory rating37.9 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length202 ft (61.6 m)
Longest span76 ft (23.2 m)
Deck width138 ft (42 m)
Roadway width131 ft (39.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic54,000 (2024)
Projected traffic51,045 by 2031
Trucks1%
Lanes on structure7
Traffic directionTwo-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$2.8 million
NavigationNot applicable (no waterway)

Frequently asked questions

When was I-75 over NS Railroad built?

It was built in 2008, making it 17 years old in 2025.

What condition is I-75 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 October 2024.

How much traffic does I-75 over NS Railroad carry?

About 54,000 vehicles per day (2024 count), of which roughly 1% are trucks.

How long is I-75 over NS Railroad?

The structure is 202 ft (61.6 m) long with a longest span of 76 ft (23.2 m) and a deck 138 ft wide.

Who owns I-75 over NS Railroad?

It is owned by the State Highway Agency.