US Bridges

Nfa A221 over Clear Creek

Fair

Cocke County, Tennessee · .5 M E of SR9-SR340 JCT · Structure no. 150A2210001

Built
1984
41 years old
Condition
Fair
inspected October 2024
Type
Culvert
Concrete Continuous
Length
32 ft
2 main spans
Daily traffic
240
2020 count
Owner
County
County Highway Agency

About this bridge

Nfa A221 over Clear Creek is a concrete continuous culvert carrying Nfa A221 over Clear Creek in Cocke County, Tennessee. It was built in 1984, so it is 41 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 240 vehicles a day, roughly 2% of them trucks, projected to reach 384 by 2040. The structure is 32 ft (9.8 m) long and 28 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesNfa A221
CrossesClear Creek
Location.5 M E of SR9-SR340 JCT
RouteCounty Highway 221
Coordinates36.00817, -83.08189
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 inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating75.4 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 span15 ft (4.6 m)
Deck width28 ft (8.4 m)
Roadway width24 ft (7.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic240 (2020)
Projected traffic384 by 2040
Trucks2%
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 A221 over Clear Creek built?

It was built in 1984, making it 41 years old in 2025.

What condition is Nfa A221 over Clear 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 October 2024.

How much traffic does Nfa A221 over Clear Creek carry?

About 240 vehicles per day (2020 count), of which roughly 2% are trucks.

How long is Nfa A221 over Clear Creek?

The structure is 32 ft (9.8 m) long with a longest span of 15 ft (4.6 m) and a deck 28 ft wide.

Who owns Nfa A221 over Clear Creek?

It is owned by the County Highway Agency.