US Bridges

FAU 48 over Little Piney River

Fair

Dickson County, Tennessee · In Dickson City Limits · Structure no. 22SR0480007

Built
1989
36 years old, rebuilt 2006
Condition
Fair
inspected April 2024
Type
Culvert
Concrete Continuous
Length
38 ft
2 main spans
Daily traffic
3,724
2021 count
Owner
State
State Highway Agency

About this bridge

FAU 48 over Little Piney River is a concrete continuous culvert carrying FAU 48 over Little Piney River in Dickson County, Tennessee. It was built in 1989 and reconstructed in 2006, so it is 36 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 3,724 vehicles a day, roughly 4% of them trucks, projected to reach 5,744 by 2040. The structure is 38 ft (11.6 m) long. If it were closed, the detour would be 34.8 mi (56 km).

Location

Open in Google Maps
CarriesFAU 48
CrossesLittle Piney River
LocationIn Dickson City Limits
RouteState Highway 48
CountyDickson County
StateTennessee
Coordinates36.06759, -87.39864
Functional classUrban Minor Arterial

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 protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 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 rating98.2 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadHS 20
Structure length38 ft (11.6 m)
Longest span15 ft (4.6 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,724 (2021)
Projected traffic5,744 by 2040
Trucks4%
Lanes on structure3
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed34.8 mi (56 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedDeck rehabilitation with only incidental widening
Estimated improvement cost$86,000 (2020 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was FAU 48 over Little Piney River built?

It was built in 1989, making it 36 years old in 2025. It was reconstructed in 2006.

What condition is FAU 48 over Little Piney River 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 April 2024.

How much traffic does FAU 48 over Little Piney River carry?

About 3,724 vehicles per day (2021 count), of which roughly 4% are trucks.

How long is FAU 48 over Little Piney River?

The structure is 38 ft (11.6 m) long with a longest span of 15 ft (4.6 m).

Who owns FAU 48 over Little Piney River?

It is owned by the State Highway Agency.