US Bridges

I40 over Ramp from I81 Lt LN

FairPosted for load

Jefferson County, Tennessee · 7.18MI.FROM Hamblen Co.Ln · Structure no. 45I00400039

Built
1961
64 years old
Condition
Fair
inspected June 2024
Type
Tee Beam
Concrete Continuous
Length
265 ft
3 main spans
Daily traffic
25,031
2021 count
Owner
State
State Highway Agency

About this bridge

I40 over Ramp from I81 Lt LN is a concrete continuous tee beam carrying I40 over Ramp from I81 Lt LN in Jefferson County, Tennessee. It was built in 1961, so it is 64 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. Its operating status is: posted for load restriction.

It carries about 25,031 vehicles a day, roughly 6% of them trucks, projected to reach 40,050 by 2042. The structure is 265 ft (80.9 m) long and 43 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesI40
CrossesRamp from I81 Lt LN
Location7.18MI.FROM Hamblen Co.Ln
RouteInterstate 40
Coordinates36.0678, -83.38658
Functional classRural 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.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourBridge not over waterway
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating27.4 US tons
Inventory rating21.4 US tons

Structure

Structure typeTee Beam
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length265 ft (80.9 m)
Longest span105 ft (32 m)
Deck width43 ft (13.1 m)
Roadway width40 ft (12.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic25,031 (2021)
Projected traffic40,050 by 2042
Trucks6%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$2.6 million (2022 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was I40 over Ramp from I81 Lt LN built?

It was built in 1961, making it 64 years old in 2025.

What condition is I40 over Ramp from I81 Lt LN 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 June 2024.

How much traffic does I40 over Ramp from I81 Lt LN carry?

About 25,031 vehicles per day (2021 count), of which roughly 6% are trucks.

How long is I40 over Ramp from I81 Lt LN?

The structure is 265 ft (80.9 m) long with a longest span of 105 ft (32 m) and a deck 43 ft wide.

Who owns I40 over Ramp from I81 Lt LN?

It is owned by the State Highway Agency.