US Bridges

Nfa A864 over Branch

Fair

Robertson County, Tennessee · .1 M 3RAVE East SR11 · Structure no. 74M32990001

Built
1965
60 years old
Condition
Fair
inspected May 2024
Type
Culvert
Concrete Continuous
Length
23 ft
2 main spans
Daily traffic
754
2021 count
Owner
City
City or Municipal Highway Agency

About this bridge

Nfa A864 over Branch is a concrete continuous culvert carrying Nfa A864 over Branch in Robertson 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 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 754 vehicles a day, roughly 14% of them trucks, projected to reach 1,440 by 2040. The structure is 23 ft (7 m) long. If it were closed, the detour would be 1.9 mi (3 km).

CarriesNfa A864
CrossesBranch
Location.1 M 3RAVE East SR11
RouteCity Street 0A864
Coordinates36.5137, -86.88212
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 protection7 GoodSome minor problems.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionMay 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
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating35.7 US tons
Inventory rating21.8 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadHS 20
Structure length23 ft (7 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 traffic754 (2021)
Projected traffic1,440 by 2040
Trucks14%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$230,000 (2020 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Nfa A864 over Branch built?

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

What condition is Nfa A864 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 A864 over Branch carry?

About 754 vehicles per day (2021 count), of which roughly 14% are trucks.

How long is Nfa A864 over Branch?

The structure is 23 ft (7 m) long with a longest span of 10 ft (3 m).

Who owns Nfa A864 over Branch?

It is owned by the City or Municipal Highway Agency.