US Bridges

Nfa A821 over Caney Fork River

Fair

Cumberland County, Tennessee · South of SR70 · Structure no. 180A8210003

Built
1978
47 years old
Condition
Fair
inspected May 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
103 ft
1 main span
Daily traffic
90
2020 count
Owner
County
County Highway Agency

About this bridge

Nfa A821 over Caney Fork River is a prestressed concrete stringer/multi-beam or girder carrying Nfa A821 over Caney Fork River in Cumberland County, Tennessee. It was built in 1978, so it is 47 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 90 vehicles a day, roughly 2% of them trucks, projected to reach 144 by 2042. The structure is 103 ft (31.5 m) long and 28 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

CarriesNfa A821
CrossesCaney Fork River
LocationSouth of SR70
RouteCounty Highway 821
Coordinates35.91986, -85.18803
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
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating59.5 US tons
Inventory rating35.7 US tons

Structure

MaterialPrestressed Concrete
DeckCorrugated steel
Main spans1
Design loadUnknown
Structure length103 ft (31.5 m)
Longest span102 ft (31.1 m)
Deck width28 ft (8.4 m)
Roadway width27 ft (8.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic90 (2020)
Projected traffic144 by 2042
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed9.9 mi (16 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 A821 over Caney Fork River built?

It was built in 1978, making it 47 years old in 2025.

What condition is Nfa A821 over Caney Fork River 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 May 2024.

How much traffic does Nfa A821 over Caney Fork River carry?

About 90 vehicles per day (2020 count), of which roughly 2% are trucks.

How long is Nfa A821 over Caney Fork River?

The structure is 103 ft (31.5 m) long with a longest span of 102 ft (31.1 m) and a deck 28 ft wide.

Who owns Nfa A821 over Caney Fork River?

It is owned by the County Highway Agency.