US Bridges

Nfa 1980 (sa 6404) over Dog Tail Creek

Fair

Moore County, Tennessee · 2.5 M N of Lynchburg · Structure no. 64019800003

Built
1965
60 years old
Condition
Fair
inspected May 2024
Type
Culvert
Concrete Continuous
Length
24 ft
2 main spans
Daily traffic
345
2021 count
Owner
County
County Highway Agency

About this bridge

Nfa 1980 (sa 6404) over Dog Tail Creek is a concrete continuous culvert carrying Nfa 1980 (sa 6404) over Dog Tail Creek in Moore County, Tennessee. It was built in 1965, so it is 60 years old, older 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 345 vehicles a day, roughly 3% of them trucks, projected to reach 552 by 2042. The structure is 24 ft (7.3 m) long and 25 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesNfa 1980 (sa 6404)
CrossesDog Tail Creek
Location2.5 M N of Lynchburg
RouteCounty Highway 1980
Coordinates35.32284, -86.38026
Functional classRural Minor Collector

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 inspectionMay 2024
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 adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating65.4 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length24 ft (7.3 m)
Longest span10 ft (3 m)
Deck width25 ft (7.7 m)
Roadway width24 ft (7.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic345 (2021)
Projected traffic552 by 2042
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 1980 (sa 6404) over Dog Tail Creek built?

It was built in 1965, making it 60 years old in 2025.

What condition is Nfa 1980 (sa 6404) over Dog Tail 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 May 2024.

How much traffic does Nfa 1980 (sa 6404) over Dog Tail Creek carry?

About 345 vehicles per day (2021 count), of which roughly 3% are trucks.

How long is Nfa 1980 (sa 6404) over Dog Tail Creek?

The structure is 24 ft (7.3 m) long with a longest span of 10 ft (3 m) and a deck 25 ft wide.

Who owns Nfa 1980 (sa 6404) over Dog Tail Creek?

It is owned by the County Highway Agency.