US Bridges

Nfa A161 (sa 6018) over Branch

Good

Maury County, Tennessee · 5 M. Ne. Columbia. · Structure no. 60019030003

Built
2022
3 years old
Condition
Good
inspected July 2024
Type
Tee Beam
Concrete Continuous
Length
45 ft
1 main span
Daily traffic
260
2020 count
Owner
County
County Highway Agency

About this bridge

Nfa A161 (sa 6018) over Branch is a concrete continuous tee beam carrying Nfa A161 (sa 6018) over Branch in Maury County, Tennessee. It was built in 2022, so it is 3 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 260 vehicles a day, roughly 1% of them trucks, projected to reach 416 by 2042. The structure is 45 ft (13.7 m) long and 26 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesNfa A161 (sa 6018)
CrossesBranch
Location5 M. Ne. Columbia.
RouteCounty Highway 161
Coordinates35.63123, -86.9514
Functional classRural Local

Condition and inspection

Good

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

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable 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 alignment8: Equal to present desirable criteria
Operating rating46.4 US tons
Inventory rating35.7 US tons

Structure

Structure typeTee Beam
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length45 ft (13.7 m)
Longest span42 ft (12.8 m)
Deck width26 ft (8 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic260 (2020)
Projected traffic416 by 2042
Trucks1%
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 A161 (sa 6018) over Branch built?

It was built in 2022, making it 3 years old in 2025.

What condition is Nfa A161 (sa 6018) 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 July 2024.

How much traffic does Nfa A161 (sa 6018) over Branch carry?

About 260 vehicles per day (2020 count), of which roughly 1% are trucks.

How long is Nfa A161 (sa 6018) over Branch?

The structure is 45 ft (13.7 m) long with a longest span of 42 ft (12.8 m) and a deck 26 ft wide.

Who owns Nfa A161 (sa 6018) over Branch?

It is owned by the County Highway Agency.