US Bridges

I0040 over 6 Routes

Fair

Davidson County, Tennessee · Robertson Rd. I/C · Structure no. 19I00400165

Built
2010
15 years old
Condition
Fair
inspected October 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
1,520 ft
40 main spans
Daily traffic
119,563
2021 count
Owner
State
State Highway Agency

About this bridge

I0040 over 6 Routes is a prestressed concrete continuous stringer/multi-beam or girder carrying I0040 over 6 Routes in Davidson County, Tennessee. It was built in 2010, so it is 15 years old, younger 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 119,563 vehicles a day, roughly 7% of them trucks, projected to reach 167,392 by 2042. The structure is 1,520 ft (463.3 m) long and 43 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesI0040
Crosses6 Routes
LocationRobertson Rd. I/C
RouteInterstate 40
CountyDavidson County
StateTennessee
Coordinates36.15147, -86.8588
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.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation8: Equal to present desirable criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans40
Design loadHL 93
Structure length1,520 ft (463.3 m)
Longest span220 ft (67 m)
Deck width43 ft (13.2 m)
Roadway width42 ft (12.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic119,563 (2021)
Projected traffic167,392 by 2042
Trucks7%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed5 mi (8 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 I0040 over 6 Routes built?

It was built in 2010, making it 15 years old in 2025.

What condition is I0040 over 6 Routes 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 October 2023.

How much traffic does I0040 over 6 Routes carry?

About 119,563 vehicles per day (2021 count), of which roughly 7% are trucks.

How long is I0040 over 6 Routes?

The structure is 1,520 ft (463.3 m) long with a longest span of 220 ft (67 m) and a deck 43 ft wide.

Who owns I0040 over 6 Routes?

It is owned by the State Highway Agency.