US Bridges

Nfa A471 over Branch

Good

Maury County, Tennessee · 4.5 M. S. Mt. Pleasant. · Structure no. 600A4710001

Built
2021
4 years old
Condition
Good
inspected June 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
40 ft
1 main span
Daily traffic
330
2020 count
Owner
County
County Highway Agency

About this bridge

Nfa A471 over Branch is a prestressed concrete box beam or girders - multiple carrying Nfa A471 over Branch in Maury County, Tennessee. It was built in 2021, so it is 4 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 330 vehicles a day, roughly 2% of them trucks, projected to reach 528 by 2042. The structure is 40 ft (12.2 m) long and 30 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesNfa A471
CrossesBranch
Location4.5 M. S. Mt. Pleasant.
RouteCounty Highway 471
Coordinates35.457, -87.20952
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
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
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

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length40 ft (12.2 m)
Longest span32 ft (9.9 m)
Deck width30 ft (9.2 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic330 (2020)
Projected traffic528 by 2042
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 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 A471 over Branch built?

It was built in 2021, making it 4 years old in 2025.

What condition is Nfa A471 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 June 2024.

How much traffic does Nfa A471 over Branch carry?

About 330 vehicles per day (2020 count), of which roughly 2% are trucks.

How long is Nfa A471 over Branch?

The structure is 40 ft (12.2 m) long with a longest span of 32 ft (9.9 m) and a deck 30 ft wide.

Who owns Nfa A471 over Branch?

It is owned by the County Highway Agency.