US Bridges

I840 over I0024

Good

Rutherford County, Tennessee · 3.4 MI NW JCT I24 & SR96 · Structure no. 75I00240064

Built
1996
29 years old
Condition
Good
inspected June 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
318 ft
2 main spans
Daily traffic
48,128
2021 count
Owner
State
State Highway Agency

About this bridge

I840 over I0024 is a steel continuous stringer/multi-beam or girder carrying I840 over I0024 in Rutherford County, Tennessee. It was built in 1996, so it is 29 years old, younger than the Tennessee average of 47.4 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 48,128 vehicles a day, roughly 7% of them trucks, projected to reach 77,005 by 2042. The structure is 318 ft (96.9 m) long and 44 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesI840
CrossesI0024
Location3.4 MI NW JCT I24 & SR96
RouteInterstate I0840
Coordinates35.88432, -86.47659
Functional classUrban Principal Arterial - Interstate

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating67.5 US tons
Inventory rating35.7 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length318 ft (96.9 m)
Longest span159 ft (48.5 m)
Deck width44 ft (13.4 m)
Roadway width42 ft (12.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic48,128 (2021)
Projected traffic77,005 by 2042
Trucks7%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed6.2 mi (10 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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was I840 over I0024 built?

It was built in 1996, making it 29 years old in 2025.

What condition is I840 over I0024 in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in June 2024.

How much traffic does I840 over I0024 carry?

About 48,128 vehicles per day (2021 count), of which roughly 7% are trucks.

How long is I840 over I0024?

The structure is 318 ft (96.9 m) long with a longest span of 159 ft (48.5 m) and a deck 44 ft wide.

Who owns I840 over I0024?

It is owned by the State Highway Agency.