US Bridges

I40 over SR 113

Fair

Jefferson County, Tennessee · 2.34 MI from Cocke Co.Ln. · Structure no. 45I00400017

Built
1961
64 years old
Condition
Fair
inspected June 2024
Type
Tee Beam
Concrete Continuous
Length
153 ft
4 main spans
Daily traffic
25,031
2021 count
Owner
State
State Highway Agency

About this bridge

I40 over SR 113 is a concrete continuous tee beam carrying I40 over SR 113 in Jefferson County, Tennessee. It was built in 1961, so it is 64 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 5 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 25,031 vehicles a day, roughly 6% of them trucks, projected to reach 40,050 by 2042. The structure is 153 ft (46.6 m) long and 47 ft wide.

CarriesI40
CrossesSR 113
Location2.34 MI from Cocke Co.Ln.
RouteInterstate 40
Coordinates36.0454, -83.34296
Functional classRural 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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating36.8 US tons
Inventory rating26.5 US tons

Structure

Structure typeTee Beam
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length153 ft (46.6 m)
Longest span47 ft (14.2 m)
Deck width47 ft (14.2 m)
Roadway width40 ft (12.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic25,031 (2021)
Projected traffic40,050 by 2042
Trucks6%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed—
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 I40 over SR 113 built?

It was built in 1961, making it 64 years old in 2025.

What condition is I40 over SR 113 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 June 2024.

How much traffic does I40 over SR 113 carry?

About 25,031 vehicles per day (2021 count), of which roughly 6% are trucks.

How long is I40 over SR 113?

The structure is 153 ft (46.6 m) long with a longest span of 47 ft (14.2 m) and a deck 47 ft wide.

Who owns I40 over SR 113?

It is owned by the State Highway Agency.