US Bridges

I75 Ramp to I40 WB over I40 Ebl

Good

Loudon County, Tennessee · Near Knox Co. Line · Structure no. 53I00400015

Built
1964
61 years old
Condition
Good
inspected October 2024
Type
Box Beam or Girders - Single or Spread
Concrete Continuous
Length
220 ft
3 main spans
Daily traffic
58,302
2021 count
Owner
State
State Highway Agency

About this bridge

I75 Ramp to I40 WB over I40 Ebl is a concrete continuous box beam or girders - single or spread carrying I75 Ramp to I40 WB over I40 Ebl in Loudon County, Tennessee. It was built in 1964, so it is 61 years old, older than the Tennessee average of 47.4 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 58,302 vehicles a day, roughly 6% of them trucks, projected to reach 93,283 by 2042. The structure is 220 ft (67.1 m) long and 37 ft wide. If it were closed, the detour would be 19.9 mi (32 km).

CarriesI75 Ramp to I40 WB
CrossesI40 Ebl
LocationNear Knox Co. Line
RouteInterstate 75
Coordinates35.86878, -84.25657
Functional classUrban Principal Arterial - Interstate

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than 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 rating45.7 US tons
Inventory rating33.2 US tons

Structure

MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length220 ft (67.1 m)
Longest span90 ft (27.4 m)
Deck width37 ft (11.3 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deck15 ft (4.6 m)

Traffic and service

Average daily traffic58,302 (2021)
Projected traffic93,283 by 2042
Trucks6%
Lanes on structure1
Traffic directionOne-way traffic
CarriesOverpass structure at an interchange
CrossesHighway
Detour if closed19.9 mi (32 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 proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$2,000 (2022 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was I75 Ramp to I40 WB over I40 Ebl built?

It was built in 1964, making it 61 years old in 2025.

What condition is I75 Ramp to I40 WB over I40 Ebl in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in October 2024.

How much traffic does I75 Ramp to I40 WB over I40 Ebl carry?

About 58,302 vehicles per day (2021 count), of which roughly 6% are trucks.

How long is I75 Ramp to I40 WB over I40 Ebl?

The structure is 220 ft (67.1 m) long with a longest span of 90 ft (27.4 m) and a deck 37 ft wide.

Who owns I75 Ramp to I40 WB over I40 Ebl?

It is owned by the State Highway Agency.