US Bridges

Nfa A789 over Branch

Good

Sumner County, Tennessee · In City of Gallatin · Structure no. 830A7890001

Built
1975
50 years old
Condition
Good
inspected January 2025
Type
Culvert
Concrete Continuous
Length
39 ft
3 main spans
Daily traffic
910
2020 count
Owner
City
City or Municipal Highway Agency

About this bridge

Nfa A789 over Branch is a concrete continuous culvert carrying Nfa A789 over Branch in Sumner County, Tennessee. It was built in 1975, so it is 50 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 910 vehicles a day, roughly 6% of them trucks, projected to reach 1,456 by 2041. The structure is 39 ft (11.9 m) long and 31 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesNfa A789
CrossesBranch
LocationIn City of Gallatin
RouteCity Street 0A789
Coordinates36.38665, -86.44447
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 protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert7 GoodSome minor problems.
Last inspectionJanuary 2025
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 adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating64.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 20
Structure length39 ft (11.9 m)
Longest span11 ft (3.4 m)
Deck width31 ft (9.5 m)
Roadway width30 ft (9.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic910 (2020)
Projected traffic1,456 by 2041
Trucks6%
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 A789 over Branch built?

It was built in 1975, making it 50 years old in 2025.

What condition is Nfa A789 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 January 2025.

How much traffic does Nfa A789 over Branch carry?

About 910 vehicles per day (2020 count), of which roughly 6% are trucks.

How long is Nfa A789 over Branch?

The structure is 39 ft (11.9 m) long with a longest span of 11 ft (3.4 m) and a deck 31 ft wide.

Who owns Nfa A789 over Branch?

It is owned by the City or Municipal Highway Agency.