US Bridges

I640 over Whites Creek

Fair

Knox County, Tennessee · N.E. of Broadway Exchange · Structure no. 47I06400017

Built
1981
44 years old
Condition
Fair
inspected April 2024
Type
Culvert
Concrete Continuous
Length
39 ft
3 main spans
Daily traffic
71,684
2021 count
Owner
State
State Highway Agency

About this bridge

I640 over Whites Creek is a concrete continuous culvert carrying I640 over Whites Creek in Knox County, Tennessee. It was built in 1981, so it is 44 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 71,684 vehicles a day, roughly 6% of them trucks, projected to reach 127,584 by 2040. The structure is 39 ft (11.9 m) long. If it were closed, the detour would be 9.9 mi (16 km).

CarriesI640
CrossesWhites Creek
LocationN.E. of Broadway Exchange
RouteInterstate 640
Coordinates36.01995, -83.91883
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 protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 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 alignment8: Equal to present desirable criteria
Operating rating98.2 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans3
Design loadHS 20
Structure length39 ft (11.9 m)
Longest span13 ft (3.9 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic71,684 (2021)
Projected traffic127,584 by 2040
Trucks6%
Lanes on structure6
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
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 statusHistorical significance not determinable at this time
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$721,000 (2020 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was I640 over Whites Creek built?

It was built in 1981, making it 44 years old in 2025.

What condition is I640 over Whites Creek 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 April 2024.

How much traffic does I640 over Whites Creek carry?

About 71,684 vehicles per day (2021 count), of which roughly 6% are trucks.

How long is I640 over Whites Creek?

The structure is 39 ft (11.9 m) long with a longest span of 13 ft (3.9 m).

Who owns I640 over Whites Creek?

It is owned by the State Highway Agency.