US Bridges

Nfa A239 over Branch

Good

Robertson County, Tennessee · Distillery Rd-Greenbrier · Structure no. 740A2390003

Built
1999
26 years old
Condition
Good
inspected March 2024
Type
Culvert
Concrete Continuous
Length
52 ft
2 main spans
Daily traffic
80
2020 count
Owner
County
County Highway Agency

About this bridge

Nfa A239 over Branch is a concrete continuous culvert carrying Nfa A239 over Branch in Robertson County, Tennessee. It was built in 1999, so it is 26 years old, younger than the Tennessee average of 47.4 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 80 vehicles a day, roughly 2% of them trucks, projected to reach 128 by 2042. The structure is 52 ft (15.9 m) long and 32 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesNfa A239
CrossesBranch
LocationDistillery Rd-Greenbrier
RouteCounty Highway 0A239
Coordinates36.46418, -86.83114
Functional classUrban Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
Culvert7 GoodSome minor problems.
Last inspectionMarch 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 adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating41.8 US tons
Inventory rating25.7 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadUnknown
Structure length52 ft (15.9 m)
Longest span12 ft (3.7 m)
Deck width32 ft (9.8 m)
Roadway width22 ft (6.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic80 (2020)
Projected traffic128 by 2042
Trucks2%
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 statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Nfa A239 over Branch built?

It was built in 1999, making it 26 years old in 2025.

What condition is Nfa A239 over Branch in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in March 2024.

How much traffic does Nfa A239 over Branch carry?

About 80 vehicles per day (2020 count), of which roughly 2% are trucks.

How long is Nfa A239 over Branch?

The structure is 52 ft (15.9 m) long with a longest span of 12 ft (3.7 m) and a deck 32 ft wide.

Who owns Nfa A239 over Branch?

It is owned by the County Highway Agency.