US Bridges

I40 Entrance Ramp over I-40 Ramp "d" / Ramp "b"

Fair

Shelby County, Tennessee · At I40 / Ms Rv Bridge · Structure no. 79I00400147

Built
1973
52 years old
Condition
Fair
inspected October 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
1,211 ft
11 main spans
Daily traffic
37,848
2021 count
Owner
State
State Highway Agency

About this bridge

I40 Entrance Ramp over I-40 Ramp "d" / Ramp "b" is a steel continuous stringer/multi-beam or girder carrying I40 Entrance Ramp over I-40 Ramp "d" / Ramp "b" in Shelby County, Tennessee. It was built in 1973, so it is 52 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 37,848 vehicles a day, roughly 8% of them trucks, projected to reach 60,557 by 2042. The structure is 1,211 ft (369.1 m) long and 31 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

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CarriesI40 Entrance Ramp
CrossesI-40 Ramp "d" / Ramp "b"
LocationAt I40 / Ms Rv Bridge
RouteInterstate 40
CountyShelby County
StateTennessee
Coordinates35.15167, -90.05272
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 inspectionOctober 2024
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 rating64.5 US tons
Inventory rating35.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans11
Design loadHS 20
Structure length1,211 ft (369.1 m)
Longest span116 ft (35.4 m)
Deck width31 ft (9.5 m)
Roadway width29 ft (8.8 m)
Vertical clearance over deck17 ft (5.2 m)

Traffic and service

Average daily traffic37,848 (2021)
Projected traffic60,557 by 2042
Trucks8%
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.9 mi (3 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 Entrance Ramp over I-40 Ramp "d" / Ramp "b" built?

It was built in 1973, making it 52 years old in 2025.

What condition is I40 Entrance Ramp over I-40 Ramp "d" / Ramp "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 October 2024.

How much traffic does I40 Entrance Ramp over I-40 Ramp "d" / Ramp "b" carry?

About 37,848 vehicles per day (2021 count), of which roughly 8% are trucks.

How long is I40 Entrance Ramp over I-40 Ramp "d" / Ramp "b"?

The structure is 1,211 ft (369.1 m) long with a longest span of 116 ft (35.4 m) and a deck 31 ft wide.

Who owns I40 Entrance Ramp over I-40 Ramp "d" / Ramp "b"?

It is owned by the State Highway Agency.