US Bridges

Nfa 1980 (sa 6404) over Branch

Fair

Moore County, Tennessee · 2.5 M N of Lynchburg · Structure no. 64019800001

Built
1957
68 years old
Condition
Fair
inspected May 2024
Type
Culvert
Concrete Continuous
Length
55 ft
4 main spans
Daily traffic
345
2021 count
Owner
County
County Highway Agency

About this bridge

Nfa 1980 (sa 6404) over Branch is a concrete continuous culvert carrying Nfa 1980 (sa 6404) over Branch in Moore County, Tennessee. It was built in 1957, so it is 68 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 55 ft (16.8 m) long and 26 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

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CarriesNfa 1980 (sa 6404)
CrossesBranch
Location2.5 M N of Lynchburg
RouteCounty Highway 1980
CountyMoore County
StateTennessee
Coordinates35.323, -86.36872
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 adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating39.2 US tons
Inventory rating25 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans4
Design loadH 10
Structure length55 ft (16.8 m)
Longest span10 ft (3 m)
Deck width26 ft (7.9 m)
Roadway width25 ft (7.5 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 Branch built?

It was built in 1957, making it 68 years old in 2025.

What condition is Nfa 1980 (sa 6404) over Branch 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 Branch carry?

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

How long is Nfa 1980 (sa 6404) over Branch?

The structure is 55 ft (16.8 m) long with a longest span of 10 ft (3 m) and a deck 26 ft wide.

Who owns Nfa 1980 (sa 6404) over Branch?

It is owned by the County Highway Agency.