US Bridges

Nfa A407 over Caney Creek

Fair

Cocke County, Tennessee · E of SR73-SR32 at Cosby · Structure no. 150A4070003

Built
1995
30 years old
Condition
Fair
inspected October 2024
Type
Culvert
Concrete Continuous
Length
41 ft
2 main spans
Daily traffic
690
2020 count
Owner
County
County Highway Agency

About this bridge

Nfa A407 over Caney Creek is a concrete continuous culvert carrying Nfa A407 over Caney Creek in Cocke County, Tennessee. It was built in 1995, so it is 30 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 5 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 690 vehicles a day, roughly 2% of them trucks, projected to reach 1,104 by 2038. The structure is 41 ft (12.6 m) long and 32 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesNfa A407
CrossesCaney Creek
LocationE of SR73-SR32 at Cosby
RouteCounty Highway 407
Coordinates35.80257, -83.23835
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.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating60.4 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length41 ft (12.6 m)
Longest span12 ft (3.7 m)
Deck width32 ft (9.8 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic690 (2020)
Projected traffic1,104 by 2038
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 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 A407 over Caney Creek built?

It was built in 1995, making it 30 years old in 2025.

What condition is Nfa A407 over Caney 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 A407 over Caney Creek carry?

About 690 vehicles per day (2020 count), of which roughly 2% are trucks.

How long is Nfa A407 over Caney Creek?

The structure is 41 ft (12.6 m) long with a longest span of 12 ft (3.7 m) and a deck 32 ft wide.

Who owns Nfa A407 over Caney Creek?

It is owned by the County Highway Agency.