US Bridges

I40 over I40 / 40th Ave North

Fair

Davidson County, Tennessee · I40/40th Ave N · Structure no. 19I00400041

Built
1967
58 years old, rebuilt 2002
Condition
Fair
inspected November 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
121 ft
3 main spans
Daily traffic
138,141
2021 count
Owner
State
State Highway Agency

About this bridge

I40 over I40 / 40th Ave North is a prestressed concrete continuous stringer/multi-beam or girder carrying I40 over I40 / 40th Ave North in Davidson County, Tennessee. It was built in 1967 and reconstructed in 2002, so it is 58 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 138,141 vehicles a day, roughly 7% of them trucks, projected to reach 221,026 by 2042. The structure is 121 ft (36.9 m) long and 166 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

CarriesI40
CrossesI40 / 40th Ave North
LocationI40/40th Ave N
RouteInterstate 40
Coordinates36.15401, -86.83475
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.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating51 US tons
Inventory rating32.8 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length121 ft (36.9 m)
Longest span54 ft (16.5 m)
Deck width166 ft (50.5 m)
Roadway width164 ft (49.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic138,141 (2021)
Projected traffic221,026 by 2042
Trucks7%
Lanes on structure10
Traffic directionTwo-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 proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was I40 over I40 / 40th Ave North built?

It was built in 1967, making it 58 years old in 2025. It was reconstructed in 2002.

What condition is I40 over I40 / 40th Ave North 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 I40 over I40 / 40th Ave North carry?

About 138,141 vehicles per day (2021 count), of which roughly 7% are trucks.

How long is I40 over I40 / 40th Ave North?

The structure is 121 ft (36.9 m) long with a longest span of 54 ft (16.5 m) and a deck 166 ft wide.

Who owns I40 over I40 / 40th Ave North?

It is owned by the State Highway Agency.