US Bridges

I-75 (nbl) over Etowah River

Fair

Bartow County, Georgia · 2.6 MI E of Cartersville · Structure no. 000000001500850

Built
1977
48 years old
Condition
Fair
inspected October 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
600 ft
8 main spans
Daily traffic
99,600
2024 count
Owner
State
State Highway Agency

About this bridge

I-75 (nbl) over Etowah River is a prestressed concrete stringer/multi-beam or girder carrying I-75 (nbl) over Etowah River in Bartow 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 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 99,600 vehicles a day, roughly 1% of them trucks, projected to reach 118,095 by 2031. The structure is 600 ft (182.9 m) long and 62 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesI-75 (nbl)
CrossesEtowah River
Location2.6 MI E of Cartersville
RouteInterstate 75
StateGeorgia
Coordinates34.16006, -84.75375
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating63.9 US tons
Inventory rating31 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans8
Design loadHS 20 + Mod
Structure length600 ft (182.9 m)
Longest span90 ft (27.4 m)
Deck width62 ft (19 m)
Roadway width60 ft (18.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic99,600 (2024)
Projected traffic118,095 by 2031
Trucks1%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
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$4.5 million
NavigationNo navigation control on waterway

Frequently asked questions

When was I-75 (nbl) over Etowah River built?

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

What condition is I-75 (nbl) over Etowah River 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 October 2024.

How much traffic does I-75 (nbl) over Etowah River carry?

About 99,600 vehicles per day (2024 count), of which roughly 1% are trucks.

How long is I-75 (nbl) over Etowah River?

The structure is 600 ft (182.9 m) long with a longest span of 90 ft (27.4 m) and a deck 62 ft wide.

Who owns I-75 (nbl) over Etowah River?

It is owned by the State Highway Agency.