US Bridges

I-75 over CSX Railroad (340572N)

Fair

Catoosa County, Georgia · 2 MI SE of Ringgold · Structure no. 000000004700270

Built
1964
61 years old, rebuilt 1988
Condition
Fair
inspected November 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
163 ft
3 main spans
Daily traffic
92,700
2024 count
Owner
State
State Highway Agency

About this bridge

I-75 over CSX Railroad (340572N) is a steel stringer/multi-beam or girder carrying I-75 over CSX Railroad (340572N) in Catoosa County, Georgia. It was built in 1964 and reconstructed in 1988, so it is 61 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 92,700 vehicles a day, roughly 1% of them trucks, projected to reach 120,555 by 2031. The structure is 163 ft (49.7 m) long and 151 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesI-75
CrossesCSX Railroad (340572N)
Location2 MI SE of Ringgold
RouteInterstate 75
CountyCatoosa County
StateGeorgia
Coordinates34.89571, -85.08074
Functional classRural 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.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating65.9 US tons
Inventory rating39.9 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length163 ft (49.7 m)
Longest span56 ft (17.1 m)
Deck width151 ft (46.1 m)
Roadway width145 ft (44.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic92,700 (2024)
Projected traffic120,555 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$2.3 million
NavigationNot applicable (no waterway)

Frequently asked questions

When was I-75 over CSX Railroad (340572N) built?

It was built in 1964, making it 61 years old in 2025. It was reconstructed in 1988.

What condition is I-75 over CSX Railroad (340572N) 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 November 2023.

How much traffic does I-75 over CSX Railroad (340572N) carry?

About 92,700 vehicles per day (2024 count), of which roughly 1% are trucks.

How long is I-75 over CSX Railroad (340572N)?

The structure is 163 ft (49.7 m) long with a longest span of 56 ft (17.1 m) and a deck 151 ft wide.

Who owns I-75 over CSX Railroad (340572N)?

It is owned by the State Highway Agency.