US Bridges

FAP 56 over Piney Creek

Good

Grundy County, Tennessee · In Altamont City Limits · Structure no. 31SR0560007

Built
2008
17 years old
Condition
Good
inspected May 2024
Type
Culvert
Concrete Continuous
Length
52 ft
2 main spans
Daily traffic
1,369
2021 count
Owner
State
State Highway Agency

About this bridge

FAP 56 over Piney Creek is a concrete continuous culvert carrying FAP 56 over Piney Creek in Grundy County, Tennessee. It was built in 2008, so it is 17 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 1,369 vehicles a day, roughly 5% of them trucks, projected to reach 1,984 by 2040. The structure is 52 ft (15.8 m) long and 111 ft wide. If it were closed, the detour would be 65.9 mi (106 km).

CarriesFAP 56
CrossesPiney Creek
LocationIn Altamont City Limits
RouteState Highway 56
Coordinates35.43307, -85.72066
Functional classRural Major Collector

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 protection7 GoodSome minor problems.
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
Deck geometry7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating98.2 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadHS 20
Structure length52 ft (15.8 m)
Longest span18 ft (5.5 m)
Deck width111 ft (33.8 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,369 (2021)
Projected traffic1,984 by 2040
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed65.9 mi (106 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was FAP 56 over Piney Creek built?

It was built in 2008, making it 17 years old in 2025.

What condition is FAP 56 over Piney 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 FAP 56 over Piney Creek carry?

About 1,369 vehicles per day (2021 count), of which roughly 5% are trucks.

How long is FAP 56 over Piney Creek?

The structure is 52 ft (15.8 m) long with a longest span of 18 ft (5.5 m) and a deck 111 ft wide.

Who owns FAP 56 over Piney Creek?

It is owned by the State Highway Agency.