US Bridges

I40 over Mid Fork Forked Deer Riv

Fair

Henderson County, Tennessee · 1 MI W JCT SR104 · Structure no. 39I00400004

Built
1961
64 years old, rebuilt 1990
Condition
Fair
inspected May 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
445 ft
13 main spans
Daily traffic
32,725
2021 count
Owner
State
State Highway Agency

About this bridge

I40 over Mid Fork Forked Deer Riv is a prestressed concrete continuous stringer/multi-beam or girder carrying I40 over Mid Fork Forked Deer Riv in Henderson County, Tennessee. It was built in 1961 and reconstructed in 1990, 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 32,725 vehicles a day, roughly 8% of them trucks, projected to reach 57,120 by 2040. The structure is 445 ft (135.6 m) long and 45 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesI40
CrossesMid Fork Forked Deer Riv
Location1 MI W JCT SR104
RouteInterstate 40
Coordinates35.7475, -88.55642
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.
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 protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry9: Superior to present desirable criteria
Waterway adequacy6: Equal to 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 loadHS 20
Structure length445 ft (135.6 m)
Longest span35 ft (10.7 m)
Deck width45 ft (13.7 m)
Roadway width43 ft (13.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic32,725 (2021)
Projected traffic57,120 by 2040
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 with deck rehabilitation or replacement
Estimated improvement cost$1.1 million (2020 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was I40 over Mid Fork Forked Deer Riv built?

It was built in 1961, making it 64 years old in 2025. It was reconstructed in 1990.

What condition is I40 over Mid Fork Forked Deer Riv 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 May 2024.

How much traffic does I40 over Mid Fork Forked Deer Riv carry?

About 32,725 vehicles per day (2021 count), of which roughly 8% are trucks.

How long is I40 over Mid Fork Forked Deer Riv?

The structure is 445 ft (135.6 m) long with a longest span of 35 ft (10.7 m) and a deck 45 ft wide.

Who owns I40 over Mid Fork Forked Deer Riv?

It is owned by the State Highway Agency.