US Bridges

I840 over Shaklett Road (nfa A266)

Good

Rutherford County, Tennessee · 3.8 MI NW JCT SR10&SR268 · Structure no. 75SR8400035

Built
1995
30 years old
Condition
Good
inspected October 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
139 ft
3 main spans
Daily traffic
40,188
2021 count
Owner
State
State Highway Agency

About this bridge

I840 over Shaklett Road (nfa A266) is a prestressed concrete continuous stringer/multi-beam or girder carrying I840 over Shaklett Road (nfa A266) 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 40,188 vehicles a day, roughly 7% of them trucks, projected to reach 64,301 by 2042. The structure is 139 ft (42.4 m) long and 44 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

Location

Open in Google Maps
CarriesI840
CrossesShaklett Road (nfa A266)
Location3.8 MI NW JCT SR10&SR268
RouteInterstate I0840
CountyRutherford County
StateTennessee
Coordinates35.92625, -86.43502
Functional classUrban 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.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating47.5 US tons
Inventory rating28.9 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length139 ft (42.4 m)
Longest span71 ft (21.6 m)
Deck width44 ft (13.4 m)
Roadway width42 ft (12.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic40,188 (2021)
Projected traffic64,301 by 2042
Trucks7%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed8.1 mi (13 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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was I840 over Shaklett Road (nfa A266) built?

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

What condition is I840 over Shaklett Road (nfa A266) 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 Shaklett Road (nfa A266) carry?

About 40,188 vehicles per day (2021 count), of which roughly 7% are trucks.

How long is I840 over Shaklett Road (nfa A266)?

The structure is 139 ft (42.4 m) long with a longest span of 71 ft (21.6 m) and a deck 44 ft wide.

Who owns I840 over Shaklett Road (nfa A266)?

It is owned by the State Highway Agency.