US Bridges

Nfa B729 over Branch

Good

Davidson County, Tennessee · Franklin Limestone Rd@una · Structure no. 190A7560007

Built
1940
85 years old
Condition
Good
inspected August 2023
Type
Culvert
Concrete Continuous
Length
23 ft
2 main spans
Daily traffic
2,337
2021 count
Owner
City
City or Municipal Highway Agency

About this bridge

Nfa B729 over Branch is a concrete continuous culvert carrying Nfa B729 over Branch in Davidson County, Tennessee. It was built in 1940, so it is 85 years old, older 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 2,337 vehicles a day, roughly 3% of them trucks, projected to reach 4,243 by 2041. The structure is 23 ft (7 m) long. If it were closed, the detour would be 3.7 mi (6 km).

CarriesNfa B729
CrossesBranch
LocationFranklin Limestone Rd@una
RouteCity Street 729
Coordinates36.07867, -86.6698
Functional classUrban Collector

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 inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating40.7 US tons
Inventory rating25.7 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadHS 20
Structure length23 ft (7 m)
Longest span9 ft (2.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,337 (2021)
Projected traffic4,243 by 2041
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 B729 over Branch built?

It was built in 1940, making it 85 years old in 2025.

What condition is Nfa B729 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 August 2023.

How much traffic does Nfa B729 over Branch carry?

About 2,337 vehicles per day (2021 count), of which roughly 3% are trucks.

How long is Nfa B729 over Branch?

The structure is 23 ft (7 m) long with a longest span of 9 ft (2.7 m).

Who owns Nfa B729 over Branch?

It is owned by the City or Municipal Highway Agency.