US Bridges

I40 over Piney River & Nfa A361

Fair

Dickson County, Tennessee · In Western Dickson County · Structure no. 22I00400004

Built
1963
62 years old, rebuilt 1987
Condition
Fair
inspected April 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
310 ft
5 main spans
Daily traffic
34,978
2021 count
Owner
State
State Highway Agency

About this bridge

I40 over Piney River & Nfa A361 is a prestressed concrete stringer/multi-beam or girder carrying I40 over Piney River & Nfa A361 in Dickson County, Tennessee. It was built in 1963 and reconstructed in 1987, 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 34,978 vehicles a day, roughly 7% of them trucks, projected to reach 57,808 by 2040. The structure is 310 ft (94.5 m) long and 44 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesI40
CrossesPiney River & Nfa A361
LocationIn Western Dickson County
RouteInterstate 40
Coordinates35.99462, -87.4398
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.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry8: Equal to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating77.5 US tons
Inventory rating30.8 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans5
Design loadHS 20
Structure length310 ft (94.5 m)
Longest span62 ft (18.9 m)
Deck width44 ft (13.4 m)
Roadway width42 ft (12.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic34,978 (2021)
Projected traffic57,808 by 2040
Trucks7%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway and waterway
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 Piney River & Nfa A361 built?

It was built in 1963, making it 62 years old in 2025. It was reconstructed in 1987.

What condition is I40 over Piney River & Nfa A361 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 April 2024.

How much traffic does I40 over Piney River & Nfa A361 carry?

About 34,978 vehicles per day (2021 count), of which roughly 7% are trucks.

How long is I40 over Piney River & Nfa A361?

The structure is 310 ft (94.5 m) long with a longest span of 62 ft (18.9 m) and a deck 44 ft wide.

Who owns I40 over Piney River & Nfa A361?

It is owned by the State Highway Agency.