US Bridges

I40 over Miss Rvr CR Ci ST RR

Fair

Shelby County, Tennessee · 4 MI E JCT I-55 & I-40 · Structure no. 79I00400001

Built
1973
52 years old
Condition
Fair
inspected August 2023
Type
Arch - Thru
Steel Continuous
Length
9,431 ft
2 main spans
Daily traffic
35,551
2021 count
Owner
State
State Highway Agency

About this bridge

I40 over Miss Rvr CR Ci ST RR is a steel continuous arch - thru carrying I40 over Miss Rvr CR Ci ST RR 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 5 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 35,551 vehicles a day, roughly 8% of them trucks, projected to reach 56,882 by 2042. The structure is 9,431 ft (2,874.6 m) long and 89 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesI40
CrossesMiss Rvr CR Ci ST RR
Location4 MI E JCT I-55 & I-40
RouteInterstate 40
CountyShelby County
StateTennessee
Coordinates35.15167, -90.07
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating47.5 US tons
Inventory rating28.5 US tons

Structure

Structure typeArch - Thru
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2 (+56 approach)
Design loadHS 20
Structure length9,431 ft (2,874.6 m)
Longest span900 ft (274.4 m)
Deck width89 ft (27.1 m)
Roadway width86 ft (26.1 m)
Vertical clearance over deck18 ft (5.5 m)

Traffic and service

Average daily traffic35,551 (2021)
Projected traffic56,882 by 2042
Trucks8%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway, waterway and railroad
Detour if closed3.7 mi (6 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 statusNot eligible for the National Register of Historic Places
Work proposedDeck replacement with only incidental widening
Estimated improvement cost$403.6 million (2022 estimate)
NavigationNavigation control on waterway (bridge permit required)

Frequently asked questions

When was I40 over Miss Rvr CR Ci ST RR built?

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

What condition is I40 over Miss Rvr CR Ci ST RR 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 August 2023.

How much traffic does I40 over Miss Rvr CR Ci ST RR carry?

About 35,551 vehicles per day (2021 count), of which roughly 8% are trucks.

How long is I40 over Miss Rvr CR Ci ST RR?

The structure is 9,431 ft (2,874.6 m) long with a longest span of 900 ft (274.4 m) and a deck 89 ft wide.

Who owns I40 over Miss Rvr CR Ci ST RR?

It is owned by the State Highway Agency.