US Bridges

Nfa B669 over Branch

Good

Sumner County, Tennessee · 2.8 MI SE JCT SR6&SR25 · Structure no. 83020420001

Built
1960
65 years old, rebuilt 2006
Condition
Good
inspected December 2024
Type
Culvert
Concrete Continuous
Length
28 ft
2 main spans
Daily traffic
1,820
2020 count
Owner
County
County Highway Agency

About this bridge

Nfa B669 over Branch is a concrete continuous culvert carrying Nfa B669 over Branch in Sumner County, Tennessee. It was built in 1960 and reconstructed in 2006, 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 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 1,820 vehicles a day, roughly 2% of them trucks, projected to reach 2,912 by 2041. The structure is 28 ft (8.5 m) long and 30 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesNfa B669
CrossesBranch
Location2.8 MI SE JCT SR6&SR25
RouteCounty Highway 0B669
CountySumner County
StateTennessee
Coordinates36.38267, -86.40453
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 inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating39.7 US tons
Inventory rating24.7 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadH 15
Structure length28 ft (8.5 m)
Longest span13 ft (4 m)
Deck width30 ft (9.1 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,820 (2020)
Projected traffic2,912 by 2041
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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$94,000 (2021 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Nfa B669 over Branch built?

It was built in 1960, making it 65 years old in 2025. It was reconstructed in 2006.

What condition is Nfa B669 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 December 2024.

How much traffic does Nfa B669 over Branch carry?

About 1,820 vehicles per day (2020 count), of which roughly 2% are trucks.

How long is Nfa B669 over Branch?

The structure is 28 ft (8.5 m) long with a longest span of 13 ft (4 m) and a deck 30 ft wide.

Who owns Nfa B669 over Branch?

It is owned by the County Highway Agency.