US Bridges

I840 over East Fork Stones River

Good

Rutherford County, Tennessee · 4 MI NW JCT SR10&SR266 · Structure no. 75SR8400045

Built
1995
30 years old
Condition
Good
inspected October 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
760 ft
8 main spans
Daily traffic
36,764
2021 count
Owner
State
State Highway Agency

About this bridge

I840 over East Fork Stones River is a prestressed concrete continuous stringer/multi-beam or girder carrying I840 over East Fork Stones River in Rutherford County, Tennessee. It was built in 1995, so it is 30 years old, younger than the Tennessee average of 47.4 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 36,764 vehicles a day, roughly 7% of them trucks, projected to reach 58,822 by 2042. The structure is 760 ft (231.6 m) long and 44 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

CarriesI840
CrossesEast Fork Stones River
Location4 MI NW JCT SR10&SR266
RouteInterstate I0840
Coordinates35.97847, -86.44295
Functional classRural Principal Arterial - Interstate

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionOctober 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 geometry8: Equal to present desirable criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48.6 US tons
Inventory rating26.1 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans8
Design loadHS 20
Structure length760 ft (231.6 m)
Longest span95 ft (29 m)
Deck width44 ft (13.4 m)
Roadway width42 ft (12.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic36,764 (2021)
Projected traffic58,822 by 2042
Trucks7%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed9.9 mi (16 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 statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was I840 over East Fork Stones River built?

It was built in 1995, making it 30 years old in 2025.

What condition is I840 over East Fork Stones River in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in October 2024.

How much traffic does I840 over East Fork Stones River carry?

About 36,764 vehicles per day (2021 count), of which roughly 7% are trucks.

How long is I840 over East Fork Stones River?

The structure is 760 ft (231.6 m) long with a longest span of 95 ft (29 m) and a deck 44 ft wide.

Who owns I840 over East Fork Stones River?

It is owned by the State Highway Agency.