US Bridges

Nfa A517 over Branch

Good

Davidson County, Tennessee · In Nashville · Structure no. 190D3180001

Built
1990
35 years old
Condition
Good
inspected July 2023
Type
Culvert
Concrete Continuous
Length
40 ft
2 main spans
Daily traffic
860
2020 count
Owner
City
City or Municipal Highway Agency

About this bridge

Nfa A517 over Branch is a concrete continuous culvert carrying Nfa A517 over Branch in Davidson County, Tennessee. It was built in 1990, so it is 35 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 860 vehicles a day, roughly 2% of them trucks, projected to reach 1,376 by 2039. The structure is 40 ft (12.2 m) long and 26 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesNfa A517
CrossesBranch
LocationIn Nashville
RouteCity Street 517
CountyDavidson County
StateTennessee
Coordinates36.2581, -86.7106
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.
Culvert7 GoodSome minor problems.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating78.3 US tons
Inventory rating46.7 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length40 ft (12.2 m)
Longest span18 ft (5.5 m)
Deck width26 ft (7.9 m)
Roadway width23 ft (6.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic860 (2020)
Projected traffic1,376 by 2039
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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 A517 over Branch built?

It was built in 1990, making it 35 years old in 2025.

What condition is Nfa A517 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 2023.

How much traffic does Nfa A517 over Branch carry?

About 860 vehicles per day (2020 count), of which roughly 2% are trucks.

How long is Nfa A517 over Branch?

The structure is 40 ft (12.2 m) long with a longest span of 18 ft (5.5 m) and a deck 26 ft wide.

Who owns Nfa A517 over Branch?

It is owned by the City or Municipal Highway Agency.