US Bridges

Nfa A186 over Piney Creek

Good

Cumberland County, Tennessee · North of I40 · Structure no. 180A1860001

Built
1988
37 years old
Condition
Good
inspected May 2024
Type
Culvert
Concrete Continuous
Length
57 ft
3 main spans
Daily traffic
100
2020 count
Owner
County
County Highway Agency

About this bridge

Nfa A186 over Piney Creek is a concrete continuous culvert carrying Nfa A186 over Piney Creek in Cumberland County, Tennessee. It was built in 1988, so it is 37 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 100 vehicles a day, roughly 2% of them trucks, projected to reach 160 by 2041. The structure is 57 ft (17.4 m) long and 26 ft wide. If it were closed, the detour would be 8.7 mi (14 km).

CarriesNfa A186
CrossesPiney Creek
LocationNorth of I40
RouteCounty Highway 186
Coordinates35.90745, -84.73476
Functional classRural Local

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 protection6 SatisfactoryStructural elements show some minor deterioration.
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 geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than 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
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length57 ft (17.4 m)
Longest span15 ft (4.6 m)
Deck width26 ft (7.8 m)
Roadway width22 ft (6.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic100 (2020)
Projected traffic160 by 2041
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.7 mi (14 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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 Nfa A186 over Piney Creek built?

It was built in 1988, making it 37 years old in 2025.

What condition is Nfa A186 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 Nfa A186 over Piney Creek carry?

About 100 vehicles per day (2020 count), of which roughly 2% are trucks.

How long is Nfa A186 over Piney Creek?

The structure is 57 ft (17.4 m) long with a longest span of 15 ft (4.6 m) and a deck 26 ft wide.

Who owns Nfa A186 over Piney Creek?

It is owned by the County Highway Agency.