US Bridges

I-240SB over I-240 Eb. / SR-4

FairPosted for load

Shelby County, Tennessee · I-240SB over SR-4 · Structure no. 79I02400029

Built
1968
57 years old
Condition
Fair
inspected December 2024
Type
Frame
Steel Continuous
Length
220 ft
3 main spans
Daily traffic
82,917
2021 count
Owner
State
State Highway Agency

About this bridge

I-240SB over I-240 Eb. / SR-4 is a steel continuous frame carrying I-240SB over I-240 Eb. / SR-4 in Shelby County, Tennessee. It was built in 1968, so it is 57 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. Its operating status is: posted for load restriction.

It carries about 82,917 vehicles a day, roughly 8% of them trucks, projected to reach 123,440 by 2042. The structure is 220 ft (67 m) long and 64 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesI-240SB
CrossesI-240 Eb. / SR-4
LocationI-240SB over SR-4
RouteInterstate 240
Coordinates35.13131, -90.02419
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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating39.7 US tons
Inventory rating30.8 US tons

Structure

Structure typeFrame
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length220 ft (67 m)
Longest span106 ft (32.2 m)
Deck width64 ft (19.5 m)
Roadway width62 ft (18.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic82,917 (2021)
Projected traffic123,440 by 2042
Trucks8%
Lanes on structure4
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed0.6 mi (1 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 I-240SB over I-240 Eb. / SR-4 built?

It was built in 1968, making it 57 years old in 2025.

What condition is I-240SB over I-240 Eb. / SR-4 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 2024.

How much traffic does I-240SB over I-240 Eb. / SR-4 carry?

About 82,917 vehicles per day (2021 count), of which roughly 8% are trucks.

How long is I-240SB over I-240 Eb. / SR-4?

The structure is 220 ft (67 m) long with a longest span of 106 ft (32.2 m) and a deck 64 ft wide.

Who owns I-240SB over I-240 Eb. / SR-4?

It is owned by the State Highway Agency.