US Bridges

I840 over Barren Fork Creek

Good

Dickson County, Tennessee · I840 @ Barren Fk. Cr. · Structure no. 22SR8400015

Built
2004
21 years old
Condition
Good
inspected May 2024
Type
Culvert
Concrete Continuous
Length
62 ft
3 main spans
Daily traffic
14,082
2021 count
Owner
State
State Highway Agency

About this bridge

I840 over Barren Fork Creek is a concrete continuous culvert carrying I840 over Barren Fork Creek in Dickson County, Tennessee. It was built in 2004, so it is 21 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 62 ft (18.9 m) long. If it were closed, the detour would be 5 mi (8 km).

CarriesI840
CrossesBarren Fork Creek
LocationI840 @ Barren Fk. Cr.
RouteInterstate 840
Coordinates35.96318, -87.22667
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
Channel and channel protection8 Very GoodNo problems noted.
Culvert7 GoodSome minor problems.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.5 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans3
Design loadHS 20
Structure length62 ft (18.9 m)
Longest span18 ft (5.5 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic14,082 (2021)
Projected traffic22,531 by 2042
Trucks7%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 I840 over Barren Fork Creek built?

It was built in 2004, making it 21 years old in 2025.

What condition is I840 over Barren Fork Creek 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 May 2024.

How much traffic does I840 over Barren Fork Creek carry?

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

How long is I840 over Barren Fork Creek?

The structure is 62 ft (18.9 m) long with a longest span of 18 ft (5.5 m).

Who owns I840 over Barren Fork Creek?

It is owned by the State Highway Agency.