US Bridges

I-75 (nbl) over CSX Railroad

Fair

Bartow County, Georgia · In NE Cartersville · Structure no. 000000001500950

Built
1970
55 years old, rebuilt 1977
Condition
Fair
inspected September 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
158 ft
3 main spans
Daily traffic
60,100
2024 count
Owner
State
State Highway Agency

About this bridge

I-75 (nbl) over CSX Railroad is a steel stringer/multi-beam or girder carrying I-75 (nbl) over CSX Railroad in Bartow County, Georgia. It was built in 1970 and reconstructed in 1977, so it is 55 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 5 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 60,100 vehicles a day, roughly 1% of them trucks, projected to reach 92,475 by 2031. The structure is 158 ft (48.2 m) long and 57 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesI-75 (nbl)
CrossesCSX Railroad
LocationIn NE Cartersville
RouteInterstate 75
CountyBartow County
StateGeorgia
Coordinates34.24627, -84.77548
Functional classUrban Principal Arterial - Interstate

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure7 GoodSome minor problems.
Last inspectionSeptember 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 geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating61.9 US tons
Inventory rating36.9 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length158 ft (48.2 m)
Longest span53 ft (16.2 m)
Deck width57 ft (17.4 m)
Roadway width54 ft (16.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic60,100 (2024)
Projected traffic92,475 by 2031
Trucks1%
Lanes on structure3
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$1.2 million
NavigationNot applicable (no waterway)

Frequently asked questions

When was I-75 (nbl) over CSX Railroad built?

It was built in 1970, making it 55 years old in 2025. It was reconstructed in 1977.

What condition is I-75 (nbl) over CSX Railroad 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 September 2024.

How much traffic does I-75 (nbl) over CSX Railroad carry?

About 60,100 vehicles per day (2024 count), of which roughly 1% are trucks.

How long is I-75 (nbl) over CSX Railroad?

The structure is 158 ft (48.2 m) long with a longest span of 53 ft (16.2 m) and a deck 57 ft wide.

Who owns I-75 (nbl) over CSX Railroad?

It is owned by the State Highway Agency.