US Bridges

Nfa A021 over Skillet Creek

Fair

Trousdale County, Tennessee · 1 MI S of Macon CO · Structure no. 850A0210005

Built
1985
40 years old
Condition
Fair
inspected February 2023
Type
Culvert
Concrete Continuous
Length
32 ft
2 main spans
Daily traffic
260
2020 count
Owner
County
County Highway Agency

About this bridge

Nfa A021 over Skillet Creek is a concrete continuous culvert carrying Nfa A021 over Skillet Creek in Trousdale County, Tennessee. It was built in 1985, so it is 40 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 260 vehicles a day, roughly 6% of them trucks, projected to reach 416 by 2041. The structure is 32 ft (9.8 m) long and 29 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

Location

Open in Google Maps
CarriesNfa A021
CrossesSkillet Creek
Location1 MI S of Macon CO
RouteCounty Highway 21
CountyTrousdale County
StateTennessee
Coordinates36.46893, -86.19203
Functional classRural Local

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 protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionFebruary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to 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 rating71.4 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length32 ft (9.8 m)
Longest span10 ft (3 m)
Deck width29 ft (8.9 m)
Roadway width25 ft (7.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic260 (2020)
Projected traffic416 by 2041
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed123.7 mi (199 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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 Nfa A021 over Skillet Creek built?

It was built in 1985, making it 40 years old in 2025.

What condition is Nfa A021 over Skillet 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 February 2023.

How much traffic does Nfa A021 over Skillet Creek carry?

About 260 vehicles per day (2020 count), of which roughly 6% are trucks.

How long is Nfa A021 over Skillet Creek?

The structure is 32 ft (9.8 m) long with a longest span of 10 ft (3 m) and a deck 29 ft wide.

Who owns Nfa A021 over Skillet Creek?

It is owned by the County Highway Agency.