US Bridges

I40 over 6th Ave S

Good

Davidson County, Tennessee · I40/6th Ave S · Structure no. 19I00400088

Built
1968
57 years old
Condition
Good
inspected December 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
117 ft
3 main spans
Daily traffic
141,104
2021 count
Owner
State
State Highway Agency

About this bridge

I40 over 6th Ave S is a prestressed concrete continuous stringer/multi-beam or girder carrying I40 over 6th Ave S in Davidson County, Tennessee. It was built in 1968, so it is 57 years old, older 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 141,104 vehicles a day, roughly 7% of them trucks, projected to reach 200,094 by 2042. The structure is 117 ft (35.7 m) long and 64 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesI40
Crosses6th Ave S
LocationI40/6th Ave S
RouteInterstate I0040
Coordinates36.14961, -86.77331
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 inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating68.5 US tons
Inventory rating35.7 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length117 ft (35.7 m)
Longest span53 ft (16.2 m)
Deck width64 ft (19.5 m)
Roadway width62 ft (18.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic141,104 (2021)
Projected traffic200,094 by 2042
Trucks7%
Lanes on structure4
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
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 statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was I40 over 6th Ave S built?

It was built in 1968, making it 57 years old in 2025.

What condition is I40 over 6th Ave S 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 December 2023.

How much traffic does I40 over 6th Ave S carry?

About 141,104 vehicles per day (2021 count), of which roughly 7% are trucks.

How long is I40 over 6th Ave S?

The structure is 117 ft (35.7 m) long with a longest span of 53 ft (16.2 m) and a deck 64 ft wide.

Who owns I40 over 6th Ave S?

It is owned by the State Highway Agency.