US Bridges

I840 over I840/ New Cutoff Road

Good

Hickman County, Tennessee · 0.5 MI NW JCT.SR46&SR100 · Structure no. 41SR8400002

Built
1998
27 years old
Condition
Good
inspected August 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
166 ft
3 main spans
Daily traffic
14,082
2021 count
Owner
State
State Highway Agency

About this bridge

I840 over I840/ New Cutoff Road is a prestressed concrete continuous stringer/multi-beam or girder carrying I840 over I840/ New Cutoff Road in Hickman County, Tennessee. It was built in 1998, so it is 27 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 14,082 vehicles a day, roughly 7% of them trucks, projected to reach 22,531 by 2042. The structure is 166 ft (50.6 m) long and 44 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

CarriesI840
CrossesI840/ New Cutoff Road
Location0.5 MI NW JCT.SR46&SR100
RouteState Highway 840
Coordinates35.9547, -87.21653
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.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48.6 US tons
Inventory rating28.5 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, precast panels
Main spans3
Design loadHS 20
Structure length166 ft (50.6 m)
Longest span61 ft (18.5 m)
Deck width44 ft (13.4 m)
Roadway width41 ft (12.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic14,082 (2021)
Projected traffic22,531 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

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 I840/ New Cutoff Road built?

It was built in 1998, making it 27 years old in 2025.

What condition is I840 over I840/ New Cutoff Road 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 August 2024.

How much traffic does I840 over I840/ New Cutoff Road carry?

About 14,082 vehicles per day (2021 count), of which roughly 7% are trucks.

How long is I840 over I840/ New Cutoff Road?

The structure is 166 ft (50.6 m) long with a longest span of 61 ft (18.5 m) and a deck 44 ft wide.

Who owns I840 over I840/ New Cutoff Road?

It is owned by the State Highway Agency.