US Bridges

I24 over Rock Springs Crk & RD

Fair

Rutherford County, Tennessee · 3.59 Mi.Se.Of Davidson CO · Structure no. 75I00240005

Built
1969
56 years old, rebuilt 1999
Condition
Fair
inspected June 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
195 ft
2 main spans
Daily traffic
128,347
2021 count
Owner
State
State Highway Agency

About this bridge

I24 over Rock Springs Crk & RD is a steel continuous stringer/multi-beam or girder carrying I24 over Rock Springs Crk & RD in Rutherford County, Tennessee. It was built in 1969 and reconstructed in 1999, so it is 56 years old, older than the Tennessee average of 47.4 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 128,347 vehicles a day, roughly 7% of them trucks, projected to reach 205,355 by 2042. The structure is 195 ft (59.4 m) long and 144 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesI24
CrossesRock Springs Crk & RD
Location3.59 Mi.Se.Of Davidson CO
RouteInterstate I0024
CountyRutherford County
StateTennessee
Coordinates35.9677, -86.5667
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating62.5 US tons
Inventory rating37.5 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length195 ft (59.4 m)
Longest span96 ft (29.3 m)
Deck width144 ft (43.9 m)
Roadway width140 ft (42.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic128,347 (2021)
Projected traffic205,355 by 2042
Trucks7%
Lanes on structure8
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway and waterway
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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$6 million (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was I24 over Rock Springs Crk & RD built?

It was built in 1969, making it 56 years old in 2025. It was reconstructed in 1999.

What condition is I24 over Rock Springs Crk & RD 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 June 2024.

How much traffic does I24 over Rock Springs Crk & RD carry?

About 128,347 vehicles per day (2021 count), of which roughly 7% are trucks.

How long is I24 over Rock Springs Crk & RD?

The structure is 195 ft (59.4 m) long with a longest span of 96 ft (29.3 m) and a deck 144 ft wide.

Who owns I24 over Rock Springs Crk & RD?

It is owned by the State Highway Agency.