US Bridges

I840 over Parker Creek

Fair

Dickson County, Tennessee · I840 @ Parker Creek · Structure no. 22SR8400009

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

About this bridge

I840 over Parker Creek is a concrete continuous culvert carrying I840 over Parker 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 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 14,082 vehicles a day, roughly 7% of them trucks, projected to reach 31,088 by 2040. The structure is 56 ft (17.1 m) long. If it were closed, the detour would be 5 mi (8 km).

CarriesI840
CrossesParker Creek
LocationI840 @ Parker Creek
RouteInterstate 840
Coordinates35.9836, -87.23898
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
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum 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 length56 ft (17.1 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 traffic31,088 by 2040
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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$835,000 (2020 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was I840 over Parker Creek built?

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

What condition is I840 over Parker Creek 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 May 2024.

How much traffic does I840 over Parker Creek carry?

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

How long is I840 over Parker Creek?

The structure is 56 ft (17.1 m) long with a longest span of 18 ft (5.5 m).

Who owns I840 over Parker Creek?

It is owned by the State Highway Agency.