US Bridges

I275 Rp to I40E over I275-SB to I40EB / 7 Rts

Fair

Knox County, Tennessee · In Knoxville · Structure no. 47I00400143

Built
1982
43 years old
Condition
Fair
inspected October 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
1,586 ft
13 main spans
Daily traffic
67,587
2021 count
Owner
State
State Highway Agency

About this bridge

I275 Rp to I40E over I275-SB to I40EB / 7 Rts is a steel continuous stringer/multi-beam or girder carrying I275 Rp to I40E over I275-SB to I40EB / 7 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 6 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 67,587 vehicles a day, roughly 6% of them trucks, projected to reach 22,384 by 2041. The structure is 1,586 ft (483.4 m) long and 32 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

CarriesI275 Rp to I40E
CrossesI275-SB to I40EB / 7 Rts
LocationIn Knoxville
RouteInterstate 275
Coordinates35.96925, -83.92609
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.
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 geometry8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating56.8 US tons
Inventory rating43.5 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans13
Design loadHS 20 + Mod
Structure length1,586 ft (483.4 m)
Longest span160 ft (48.8 m)
Deck width32 ft (9.8 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic67,587 (2021)
Projected traffic22,384 by 2041
Trucks6%
Lanes on structure1
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 I275 Rp to I40E over I275-SB to I40EB / 7 Rts built?

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

What condition is I275 Rp to I40E over I275-SB to I40EB / 7 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 October 2024.

How much traffic does I275 Rp to I40E over I275-SB to I40EB / 7 Rts carry?

About 67,587 vehicles per day (2021 count), of which roughly 6% are trucks.

How long is I275 Rp to I40E over I275-SB to I40EB / 7 Rts?

The structure is 1,586 ft (483.4 m) long with a longest span of 160 ft (48.8 m) and a deck 32 ft wide.

Who owns I275 Rp to I40E over I275-SB to I40EB / 7 Rts?

It is owned by the State Highway Agency.