US Bridges

I40 over Overflow

Fair

Fayette County, Tennessee · 0.8 M NE JCT I40&SR196 · Structure no. 24I00400006

Built
1963
62 years old
Condition
Fair
inspected August 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
417 ft
13 main spans
Daily traffic
38,372
2021 count
Owner
State
State Highway Agency

About this bridge

I40 over Overflow is a prestressed concrete continuous stringer/multi-beam or girder carrying I40 over Overflow in Fayette County, Tennessee. It was built in 1963, so it is 62 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 38,372 vehicles a day, roughly 8% of them trucks, projected to reach 61,395 by 2042. The structure is 417 ft (127.1 m) long and 44 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

No coordinates are recorded for this structure.

CarriesI40
CrossesOverflow
Location0.8 M NE JCT I40&SR196
RouteInterstate 40
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating68.6 US tons
Inventory rating35.7 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans13
Design loadH 20
Structure length417 ft (127.1 m)
Longest span32 ft (9.9 m)
Deck width44 ft (13.4 m)
Roadway width42 ft (12.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic38,372 (2021)
Projected traffic61,395 by 2042
Trucks8%
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 proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$1.5 million (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was I40 over Overflow built?

It was built in 1963, making it 62 years old in 2025.

What condition is I40 over Overflow 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 August 2024.

How much traffic does I40 over Overflow carry?

About 38,372 vehicles per day (2021 count), of which roughly 8% are trucks.

How long is I40 over Overflow?

The structure is 417 ft (127.1 m) long with a longest span of 32 ft (9.9 m) and a deck 44 ft wide.

Who owns I40 over Overflow?

It is owned by the State Highway Agency.