US Bridges

I40 over Rmp B

Fair

Davidson County, Tennessee · I40 Rmp &26&27 Ave · Structure no. 19I00400325

Built
1967
58 years old
Condition
Fair
inspected November 2023
Type
Box Beam or Girders - Multiple
Concrete Continuous
Length
342 ft
3 main spans
Daily traffic
99,242
2021 count
Owner
State
State Highway Agency

About this bridge

I40 over Rmp B is a concrete continuous box beam or girders - multiple carrying I40 over Rmp B in Davidson County, Tennessee. It was built in 1967, 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 99,242 vehicles a day, roughly 7% of them trucks, projected to reach 180,987 by 2042. The structure is 342 ft (104.2 m) long and 27 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesI40
CrossesRmp B
LocationI40 Rmp &26&27 Ave
RouteInterstate I0040
CountyDavidson County
StateTennessee
Coordinates36.16636, -86.81774
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating46.1 US tons
Inventory rating35.7 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length342 ft (104.2 m)
Longest span136 ft (41.5 m)
Deck width27 ft (8.2 m)
Roadway width25 ft (7.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic99,242 (2021)
Projected traffic180,987 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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$2.3 million (2022 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was I40 over Rmp B built?

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

What condition is I40 over Rmp B 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 Rmp B carry?

About 99,242 vehicles per day (2021 count), of which roughly 7% are trucks.

How long is I40 over Rmp B?

The structure is 342 ft (104.2 m) long with a longest span of 136 ft (41.5 m) and a deck 27 ft wide.

Who owns I40 over Rmp B?

It is owned by the State Highway Agency.