US Bridges

I40 over 8th Ave (sr 6)

Fair

Davidson County, Tennessee · In South Nashville · Structure no. 19I00400080

Built
1970
55 years old
Condition
Fair
inspected December 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
133 ft
3 main spans
Daily traffic
133,586
2021 count
Owner
State
State Highway Agency

About this bridge

I40 over 8th Ave (sr 6) is a steel continuous stringer/multi-beam or girder carrying I40 over 8th Ave (sr 6) in Davidson County, Tennessee. It was built in 1970, so it is 55 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 133,586 vehicles a day, roughly 7% of them trucks, projected to reach 177,558 by 2042. The structure is 133 ft (40.5 m) long and 42 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesI40
Crosses8th Ave (sr 6)
LocationIn South Nashville
RouteInterstate I0040
CountyDavidson County
StateTennessee
Coordinates36.1489, -86.77924
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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating72.4 US tons
Inventory rating35.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length133 ft (40.5 m)
Longest span72 ft (21.9 m)
Deck width42 ft (12.7 m)
Roadway width40 ft (12.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic133,586 (2021)
Projected traffic177,558 by 2042
Trucks7%
Lanes on structure2
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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$1.4 million (2022 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was I40 over 8th Ave (sr 6) built?

It was built in 1970, making it 55 years old in 2025.

What condition is I40 over 8th Ave (sr 6) 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 December 2023.

How much traffic does I40 over 8th Ave (sr 6) carry?

About 133,586 vehicles per day (2021 count), of which roughly 7% are trucks.

How long is I40 over 8th Ave (sr 6)?

The structure is 133 ft (40.5 m) long with a longest span of 72 ft (21.9 m) and a deck 42 ft wide.

Who owns I40 over 8th Ave (sr 6)?

It is owned by the State Highway Agency.