US Bridges

I-24 Ramp to I-40E over SR-1 Ramp to I-40W

Fair

Davidson County, Tennessee · I24-I40 Interchange - C7 · Structure no. 19I00240305

Built
1960
65 years old, rebuilt 1996
Condition
Fair
inspected September 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
91 ft
1 main span
Daily traffic
148,679
2021 count
Owner
State
State Highway Agency

About this bridge

I-24 Ramp to I-40E over SR-1 Ramp to I-40W is a steel stringer/multi-beam or girder carrying I-24 Ramp to I-40E over SR-1 Ramp to I-40W in Davidson County, Tennessee. It was built in 1960 and reconstructed in 1996, so it is 65 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 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 148,679 vehicles a day, roughly 7% of them trucks, projected to reach 237,886 by 2042. The structure is 91 ft (27.7 m) long and 62 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

Location

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CarriesI-24 Ramp to I-40E
CrossesSR-1 Ramp to I-40W
LocationI24-I40 Interchange - C7
RouteInterstate 24
CountyDavidson County
StateTennessee
Coordinates36.13859, -86.72625
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionSeptember 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 rating48.6 US tons
Inventory rating28.9 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length91 ft (27.7 m)
Longest span90 ft (27.4 m)
Deck width62 ft (18.9 m)
Roadway width60 ft (18.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic148,679 (2021)
Projected traffic237,886 by 2042
Trucks7%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed9.9 mi (16 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 statusHistorical significance not determinable at this time
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$1.3 million (2022 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was I-24 Ramp to I-40E over SR-1 Ramp to I-40W built?

It was built in 1960, making it 65 years old in 2025. It was reconstructed in 1996.

What condition is I-24 Ramp to I-40E over SR-1 Ramp to I-40W 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 2023.

How much traffic does I-24 Ramp to I-40E over SR-1 Ramp to I-40W carry?

About 148,679 vehicles per day (2021 count), of which roughly 7% are trucks.

How long is I-24 Ramp to I-40E over SR-1 Ramp to I-40W?

The structure is 91 ft (27.7 m) long with a longest span of 90 ft (27.4 m) and a deck 62 ft wide.

Who owns I-24 Ramp to I-40E over SR-1 Ramp to I-40W?

It is owned by the State Highway Agency.