US Bridges

Nfa A509 over Branch

Good

Wilson County, Tennessee · 0.1 MI West of SR109 · Structure no. 950A5090001

Built
2010
15 years old
Condition
Good
inspected February 2024
Type
Culvert
Concrete Continuous
Length
39 ft
2 main spans
Daily traffic
90
2020 count
Owner
City
City or Municipal Highway Agency

About this bridge

Nfa A509 over Branch is a concrete continuous culvert carrying Nfa A509 over Branch in Wilson County, Tennessee. It was built in 2010, so it is 15 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 90 vehicles a day, roughly 2% of them trucks, projected to reach 144 by 2040. The structure is 39 ft (11.8 m) long and 70 ft wide. If it were closed, the detour would be 61.5 mi (99 km).

CarriesNfa A509
CrossesBranch
Location0.1 MI West of SR109
RouteCity Street 0A509
Coordinates36.22615, -86.42828
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 protection7 GoodSome minor problems.
Culvert8 Very GoodNo problems noted.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadUnknown
Structure length39 ft (11.8 m)
Longest span18 ft (5.5 m)
Deck width70 ft (21.4 m)
Roadway width51 ft (15.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic90 (2020)
Projected traffic144 by 2040
Trucks2%
Lanes on structure3
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed61.5 mi (99 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Nfa A509 over Branch built?

It was built in 2010, making it 15 years old in 2025.

What condition is Nfa A509 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 February 2024.

How much traffic does Nfa A509 over Branch carry?

About 90 vehicles per day (2020 count), of which roughly 2% are trucks.

How long is Nfa A509 over Branch?

The structure is 39 ft (11.8 m) long with a longest span of 18 ft (5.5 m) and a deck 70 ft wide.

Who owns Nfa A509 over Branch?

It is owned by the City or Municipal Highway Agency.