US Bridges

I40 Ebl over SR 1

Fair

Cumberland County, Tennessee · 1 MI from Cox Valley RD · Structure no. 18I00400035

Built
1966
59 years old
Condition
Fair
inspected October 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
162 ft
3 main spans
Daily traffic
30,660
2021 count
Owner
State
State Highway Agency

About this bridge

I40 Ebl over SR 1 is a prestressed concrete continuous stringer/multi-beam or girder carrying I40 Ebl over SR 1 in Cumberland County, Tennessee. It was built in 1966, so it is 59 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 30,660 vehicles a day, roughly 6% of them trucks, projected to reach 46,090 by 2042. The structure is 162 ft (49.4 m) long and 42 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesI40 Ebl
CrossesSR 1
Location1 MI from Cox Valley RD
RouteInterstate 40
Coordinates35.91, -84.89
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no 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 rating41.4 US tons
Inventory rating20 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length162 ft (49.4 m)
Longest span61 ft (18.6 m)
Deck width42 ft (12.8 m)
Roadway width38 ft (11.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic30,660 (2021)
Projected traffic46,090 by 2042
Trucks6%
Lanes on structure2
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 statusNot eligible for the National Register of Historic Places
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$1.6 million (2022 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was I40 Ebl over SR 1 built?

It was built in 1966, making it 59 years old in 2025.

What condition is I40 Ebl over SR 1 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 2023.

How much traffic does I40 Ebl over SR 1 carry?

About 30,660 vehicles per day (2021 count), of which roughly 6% are trucks.

How long is I40 Ebl over SR 1?

The structure is 162 ft (49.4 m) long with a longest span of 61 ft (18.6 m) and a deck 42 ft wide.

Who owns I40 Ebl over SR 1?

It is owned by the State Highway Agency.