US Bridges

Nfa A659 over Branch

Good

Sumner County, Tennessee · 2.1 MI SE JCT SR76&SR109 · Structure no. 830A6590001

Built
1930
95 years old
Condition
Good
inspected October 2024
Type
Culvert
Concrete Continuous
Length
30 ft
2 main spans
Daily traffic
170
2020 count
Owner
County
County Highway Agency

About this bridge

Nfa A659 over Branch is a concrete continuous culvert carrying Nfa A659 over Branch in Sumner County, Tennessee. It was built in 1930, so it is 95 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 170 vehicles a day, roughly 4% of them trucks, projected to reach 272 by 2041. The structure is 30 ft (9.1 m) long and 22 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesNfa A659
CrossesBranch
Location2.1 MI SE JCT SR76&SR109
RouteCounty Highway 0A659
Coordinates36.53807, -86.44905
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
Channel and channel protection8 Very GoodNo problems noted.
Culvert7 GoodSome minor problems.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating46.7 US tons
Inventory rating28.9 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckWood or timber
Main spans2
Design loadUnknown
Structure length30 ft (9.1 m)
Longest span10 ft (3 m)
Deck width22 ft (6.8 m)
Roadway width21 ft (6.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic170 (2020)
Projected traffic272 by 2041
Trucks4%
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 proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$109,000 (2021 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Nfa A659 over Branch built?

It was built in 1930, making it 95 years old in 2025.

What condition is Nfa A659 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 October 2024.

How much traffic does Nfa A659 over Branch carry?

About 170 vehicles per day (2020 count), of which roughly 4% are trucks.

How long is Nfa A659 over Branch?

The structure is 30 ft (9.1 m) long with a longest span of 10 ft (3 m) and a deck 22 ft wide.

Who owns Nfa A659 over Branch?

It is owned by the County Highway Agency.