US Bridges

I40 over I40 / Asheville Hwy.

Good

Knox County, Tennessee · 1.4 M SE of Holston DR · Structure no. 47I00400093

Built
1967
58 years old
Condition
Good
inspected December 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
193 ft
4 main spans
Daily traffic
77,847
2021 count
Owner
State
State Highway Agency

About this bridge

I40 over I40 / Asheville Hwy. is a prestressed concrete continuous stringer/multi-beam or girder carrying I40 over I40 / Asheville Hwy. in Knox County, Tennessee. It was built in 1967, so it is 58 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 77,847 vehicles a day, roughly 6% of them trucks, projected to reach 124,555 by 2042. The structure is 193 ft (58.8 m) long and 114 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

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CarriesI40
CrossesI40 / Asheville Hwy.
Location1.4 M SE of Holston DR
RouteInterstate 40
CountyKnox County
StateTennessee
Coordinates36.01053, -83.84206
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 inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating35.4 US tons
Inventory rating12.9 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length193 ft (58.8 m)
Longest span52 ft (15.8 m)
Deck width114 ft (34.7 m)
Roadway width112 ft (34.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic77,847 (2021)
Projected traffic124,555 by 2042
Trucks6%
Lanes on structure6
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed5 mi (8 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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$4.3 million (2022 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was I40 over I40 / Asheville Hwy. built?

It was built in 1967, making it 58 years old in 2025.

What condition is I40 over I40 / Asheville Hwy. 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 December 2024.

How much traffic does I40 over I40 / Asheville Hwy. carry?

About 77,847 vehicles per day (2021 count), of which roughly 6% are trucks.

How long is I40 over I40 / Asheville Hwy.?

The structure is 193 ft (58.8 m) long with a longest span of 52 ft (15.8 m) and a deck 114 ft wide.

Who owns I40 over I40 / Asheville Hwy.?

It is owned by the State Highway Agency.