US Bridges

Nfa A676 over Branch

Fair

Sumner County, Tennessee · 4.6 MI SE JCT SR76&SR109 · Structure no. 830A6760001

Built
1960
65 years old
Condition
Fair
inspected October 2024
Type
Culvert
Concrete Continuous
Length
26 ft
2 main spans
Daily traffic
210
2020 count
Owner
County
County Highway Agency

About this bridge

Nfa A676 over Branch is a concrete continuous culvert carrying Nfa A676 over Branch in Sumner County, Tennessee. It was built in 1960, so it is 65 years old, older than the Tennessee average of 47.4 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 210 vehicles a day, roughly 10% of them trucks, projected to reach 336 by 2040. The structure is 26 ft (7.9 m) long and 24 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

Location

Open in Google Maps
CarriesNfa A676
CrossesBranch
Location4.6 MI SE JCT SR76&SR109
RouteCounty Highway 0A676
CountySumner County
StateTennessee
Coordinates36.49857, -86.45335
Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
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 rating35.7 US tons
Inventory rating26.8 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadH 15
Structure length26 ft (7.9 m)
Longest span10 ft (3 m)
Deck width24 ft (7.3 m)
Roadway width22 ft (6.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic210 (2020)
Projected traffic336 by 2040
Trucks10%
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$86,000 (2020 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Nfa A676 over Branch built?

It was built in 1960, making it 65 years old in 2025.

What condition is Nfa A676 over Branch in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in October 2024.

How much traffic does Nfa A676 over Branch carry?

About 210 vehicles per day (2020 count), of which roughly 10% are trucks.

How long is Nfa A676 over Branch?

The structure is 26 ft (7.9 m) long with a longest span of 10 ft (3 m) and a deck 24 ft wide.

Who owns Nfa A676 over Branch?

It is owned by the County Highway Agency.