US Bridges

I0040 over I40 Rp a & SR155

Good

Davidson County, Tennessee · SR155&I40 I/C · Structure no. 19I00400331

Built
2008
17 years old
Condition
Good
inspected December 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
908 ft
5 main spans
Daily traffic
136,488
2021 count
Owner
State
State Highway Agency

About this bridge

I0040 over I40 Rp a & SR155 is a steel continuous stringer/multi-beam or girder carrying I0040 over I40 Rp a & SR155 in Davidson County, Tennessee. It was built in 2008, so it is 17 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 136,488 vehicles a day, roughly 7% of them trucks, projected to reach 244,803 by 2042. The structure is 908 ft (276.8 m) long and 44 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesI0040
CrossesI40 Rp a & SR155
LocationSR155&I40 I/C
RouteInterstate I0040
CountyDavidson County
StateTennessee
Coordinates36.14443, -86.69223
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 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
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans5
Design loadHL 93
Structure length908 ft (276.8 m)
Longest span212 ft (64.7 m)
Deck width44 ft (13.4 m)
Roadway width42 ft (12.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic136,488 (2021)
Projected traffic244,803 by 2042
Trucks7%
Lanes on structure1
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 I40 Rp a & SR155 built?

It was built in 2008, making it 17 years old in 2025.

What condition is I0040 over I40 Rp a & SR155 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 I0040 over I40 Rp a & SR155 carry?

About 136,488 vehicles per day (2021 count), of which roughly 7% are trucks.

How long is I0040 over I40 Rp a & SR155?

The structure is 908 ft (276.8 m) long with a longest span of 212 ft (64.7 m) and a deck 44 ft wide.

Who owns I0040 over I40 Rp a & SR155?

It is owned by the State Highway Agency.