US Bridges

I40 over Pigeon River

Fair

Cocke County, Tennessee · 1 MI North of SR-73 · Structure no. 15I00400029

Built
1970
55 years old
Condition
Fair
inspected June 2024
Type
Tee Beam
Concrete Continuous
Length
360 ft
6 main spans
Daily traffic
29,849
2021 count
Owner
State
State Highway Agency

About this bridge

I40 over Pigeon River is a concrete continuous tee beam carrying I40 over Pigeon River in Cocke County, Tennessee. It was built in 1970, so it is 55 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 29,849 vehicles a day, roughly 6% of them trucks, projected to reach 47,758 by 2042. The structure is 360 ft (109.7 m) long and 42 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesI40
CrossesPigeon River
Location1 MI North of SR-73
RouteInterstate 40
Coordinates35.84238, -83.18192
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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating43.2 US tons
Inventory rating30.8 US tons

Structure

Structure typeTee Beam
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans6
Design loadHS 20
Structure length360 ft (109.7 m)
Longest span65 ft (19.8 m)
Deck width42 ft (12.7 m)
Roadway width38 ft (11.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic29,849 (2021)
Projected traffic47,758 by 2042
Trucks6%
Lanes on structure2
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 I40 over Pigeon River built?

It was built in 1970, making it 55 years old in 2025.

What condition is I40 over Pigeon River 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 Pigeon River carry?

About 29,849 vehicles per day (2021 count), of which roughly 6% are trucks.

How long is I40 over Pigeon River?

The structure is 360 ft (109.7 m) long with a longest span of 65 ft (19.8 m) and a deck 42 ft wide.

Who owns I40 over Pigeon River?

It is owned by the State Highway Agency.