US Bridges

I40 Rmp over I40-EB-FLYOVER / 3 Rts.

Fair

Knox County, Tennessee · At I-40 & I-640 Jct. · Structure no. 47I00400135

Built
1982
43 years old
Condition
Fair
inspected January 2025
Type
Box Beam or Girders - Single or Spread
Steel Continuous
Length
1,235 ft
7 main spans
Daily traffic
68,467
2021 count
Owner
State
State Highway Agency

About this bridge

I40 Rmp over I40-EB-FLYOVER / 3 Rts. is a steel continuous box beam or girders - single or spread carrying I40 Rmp over I40-EB-FLYOVER / 3 Rts. in Knox County, Tennessee. It was built in 1982, so it is 43 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 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 68,467 vehicles a day, roughly 6% of them trucks, projected to reach 127,808 by 2041. The structure is 1,235 ft (376.4 m) long and 44 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

Location

Open in Google Maps
CarriesI40 Rmp
CrossesI40-EB-FLYOVER / 3 Rts.
LocationAt I-40 & I-640 Jct.
RouteInterstate 40
CountyKnox County
StateTennessee
Coordinates36.01167, -83.86166
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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJanuary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating77.5 US tons
Inventory rating59.6 US tons

Structure

Structure typeBox Beam or Girders - Single or Spread
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans7
Design loadHS 20
Structure length1,235 ft (376.4 m)
Longest span192 ft (58.5 m)
Deck width44 ft (13.4 m)
Roadway width42 ft (12.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic68,467 (2021)
Projected traffic127,808 by 2041
Trucks6%
Lanes on structure2
Traffic directionOne-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 statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was I40 Rmp over I40-EB-FLYOVER / 3 Rts. built?

It was built in 1982, making it 43 years old in 2025.

What condition is I40 Rmp over I40-EB-FLYOVER / 3 Rts. 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 January 2025.

How much traffic does I40 Rmp over I40-EB-FLYOVER / 3 Rts. carry?

About 68,467 vehicles per day (2021 count), of which roughly 6% are trucks.

How long is I40 Rmp over I40-EB-FLYOVER / 3 Rts.?

The structure is 1,235 ft (376.4 m) long with a longest span of 192 ft (58.5 m) and a deck 44 ft wide.

Who owns I40 Rmp over I40-EB-FLYOVER / 3 Rts.?

It is owned by the State Highway Agency.