US Bridges

I40 over Ten Mile Creek

Fair

Knox County, Tennessee · 2 M S of Sou RR · Structure no. 47I00400015

Built
1960
65 years old, rebuilt 1985
Condition
Fair
inspected October 2024
Type
Tee Beam
Concrete
Length
99 ft
3 main spans
Daily traffic
166,251
2021 count
Owner
State
State Highway Agency

About this bridge

I40 over Ten Mile Creek is a concrete tee beam carrying I40 over Ten Mile Creek in Knox County, Tennessee. It was built in 1960 and reconstructed in 1985, so it is 65 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 166,251 vehicles a day, roughly 6% of them trucks, projected to reach 330,496 by 2041. The structure is 99 ft (30.2 m) long and 168 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesI40
CrossesTen Mile Creek
Location2 M S of Sou RR
RouteInterstate 40
Coordinates35.92102, -84.07661
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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection8 Very GoodNo problems noted.
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
Deck geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating68.5 US tons
Inventory rating35.7 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length99 ft (30.2 m)
Longest span33 ft (10.1 m)
Deck width168 ft (51.2 m)
Roadway width165 ft (50.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic166,251 (2021)
Projected traffic330,496 by 2041
Trucks6%
Lanes on structure10
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
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$3.1 million (2021 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was I40 over Ten Mile Creek built?

It was built in 1960, making it 65 years old in 2025. It was reconstructed in 1985.

What condition is I40 over Ten Mile 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 October 2024.

How much traffic does I40 over Ten Mile Creek carry?

About 166,251 vehicles per day (2021 count), of which roughly 6% are trucks.

How long is I40 over Ten Mile Creek?

The structure is 99 ft (30.2 m) long with a longest span of 33 ft (10.1 m) and a deck 168 ft wide.

Who owns I40 over Ten Mile Creek?

It is owned by the State Highway Agency.