US Bridges

I275 Ramp over I275-NB Ex Rmp / 2nd. CR

Fair

Knox County, Tennessee · .5 M Frm HEISKELL&I275 Ic · Structure no. 47I02750025

Built
1965
60 years old
Condition
Fair
inspected October 2024
Type
Culvert
Concrete Continuous
Length
42 ft
3 main spans
Daily traffic
63,125
2021 count
Owner
State
State Highway Agency

About this bridge

I275 Ramp over I275-NB Ex Rmp / 2nd. CR is a concrete continuous culvert carrying I275 Ramp over I275-NB Ex Rmp / 2nd. CR in Knox County, Tennessee. It was built in 1965, so it is 60 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 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 63,125 vehicles a day, roughly 6% of them trucks, projected to reach 2,480 by 2041. The structure is 42 ft (12.7 m) long. If it were closed, the detour would be 1.2 mi (2 km).

CarriesI275 Ramp
CrossesI275-NB Ex Rmp / 2nd. CR
Location.5 M Frm HEISKELL&I275 Ic
RouteInterstate 275
Coordinates35.99315, -83.95171
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
Channel and channel protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating98.2 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans3
Design loadHS 20
Structure length42 ft (12.7 m)
Longest span11 ft (3.5 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic63,125 (2021)
Projected traffic2,480 by 2041
Trucks6%
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
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 statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was I275 Ramp over I275-NB Ex Rmp / 2nd. CR built?

It was built in 1965, making it 60 years old in 2025.

What condition is I275 Ramp over I275-NB Ex Rmp / 2nd. CR 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 Ramp over I275-NB Ex Rmp / 2nd. CR carry?

About 63,125 vehicles per day (2021 count), of which roughly 6% are trucks.

How long is I275 Ramp over I275-NB Ex Rmp / 2nd. CR?

The structure is 42 ft (12.7 m) long with a longest span of 11 ft (3.5 m).

Who owns I275 Ramp over I275-NB Ex Rmp / 2nd. CR?

It is owned by the State Highway Agency.