US Bridges

I40 over I-40 / SR-14

Fair

Shelby County, Tennessee · I40 & SR 14 JCT · Structure no. 79I00400087

Built
1979
46 years old
Condition
Fair
inspected November 2024
Type
Box Beam or Girders - Single or Spread
Concrete Continuous
Length
204 ft
2 main spans
Daily traffic
101,149
2021 count
Owner
State
State Highway Agency

About this bridge

I40 over I-40 / SR-14 is a concrete continuous box beam or girders - single or spread carrying I40 over I-40 / SR-14 in Shelby County, Tennessee. It was built in 1979, so it is 46 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 101,149 vehicles a day, roughly 8% of them trucks, projected to reach 161,838 by 2042. The structure is 204 ft (62.2 m) long and 134 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

Location

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CarriesI40
CrossesI-40 / SR-14
LocationI40 & SR 14 JCT
RouteInterstate 40
CountyShelby County
StateTennessee
Coordinates35.1925, -89.92661
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 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating53.6 US tons
Inventory rating39.7 US tons

Structure

Structure typeBox Beam or Girders - Single or Spread
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20 + Mod
Structure length204 ft (62.2 m)
Longest span108 ft (32.9 m)
Deck width134 ft (40.8 m)
Roadway width130 ft (39.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic101,149 (2021)
Projected traffic161,838 by 2042
Trucks8%
Lanes on structure8
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed9.9 mi (16 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 proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$2,000 (2022 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was I40 over I-40 / SR-14 built?

It was built in 1979, making it 46 years old in 2025.

What condition is I40 over I-40 / SR-14 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 2024.

How much traffic does I40 over I-40 / SR-14 carry?

About 101,149 vehicles per day (2021 count), of which roughly 8% are trucks.

How long is I40 over I-40 / SR-14?

The structure is 204 ft (62.2 m) long with a longest span of 108 ft (32.9 m) and a deck 134 ft wide.

Who owns I40 over I-40 / SR-14?

It is owned by the State Highway Agency.