US Bridges

Nfa A424 (sa 3013) over Branch

Fair

Greene County, Tennessee · E Off 11E-NE of Tusculum · Structure no. 300B5000003

Built
1950
75 years old
Condition
Fair
inspected January 2025
Type
Culvert
Concrete Continuous
Length
30 ft
2 main spans
Daily traffic
2,380
2020 count
Owner
County
County Highway Agency

About this bridge

Nfa A424 (sa 3013) over Branch is a concrete continuous culvert carrying Nfa A424 (sa 3013) over Branch in Greene County, Tennessee. It was built in 1950, so it is 75 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 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 2,380 vehicles a day, roughly 2% of them trucks, projected to reach 3,808 by 2042. The structure is 30 ft (9.2 m) long. If it were closed, the detour would be 1.9 mi (3 km).

CarriesNfa A424 (sa 3013)
CrossesBranch
LocationE Off 11E-NE of Tusculum
RouteCounty Highway 424
Coordinates36.20334, -82.71333
Functional classUrban 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 protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJanuary 2025
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
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating92.2 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadHS 20
Structure length30 ft (9.2 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,380 (2020)
Projected traffic3,808 by 2042
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 A424 (sa 3013) over Branch built?

It was built in 1950, making it 75 years old in 2025.

What condition is Nfa A424 (sa 3013) 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 January 2025.

How much traffic does Nfa A424 (sa 3013) over Branch carry?

About 2,380 vehicles per day (2020 count), of which roughly 2% are trucks.

How long is Nfa A424 (sa 3013) over Branch?

The structure is 30 ft (9.2 m) long with a longest span of 10 ft (3 m).

Who owns Nfa A424 (sa 3013) over Branch?

It is owned by the County Highway Agency.