US Bridges

Nfa 1416 (sa 6708) over Buffalo Branch

Fair

Overton County, Tennessee · .3 MI East of SR136 · Structure no. 67014160001

Built
1960
65 years old
Condition
Fair
inspected December 2024
Type
Culvert
Concrete Continuous
Length
38 ft
2 main spans
Daily traffic
822
2021 count
Owner
County
County Highway Agency

About this bridge

Nfa 1416 (sa 6708) over Buffalo Branch is a concrete continuous culvert carrying Nfa 1416 (sa 6708) over Buffalo Branch in Overton 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 822 vehicles a day, roughly 3% of them trucks, projected to reach 1,152 by 2040. The structure is 38 ft (11.7 m) long. If it were closed, the detour would be 6.2 mi (10 km).

Location

Open in Google Maps
CarriesNfa 1416 (sa 6708)
CrossesBuffalo Branch
Location.3 MI East of SR136
RouteCounty Highway 1416
CountyOverton County
StateTennessee
Coordinates36.37452, -85.43177
Functional classRural Minor Collector

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 protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating98.2 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadUnknown
Structure length38 ft (11.7 m)
Longest span12 ft (3.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic822 (2021)
Projected traffic1,152 by 2040
Trucks3%
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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Nfa 1416 (sa 6708) over Buffalo Branch built?

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

What condition is Nfa 1416 (sa 6708) over Buffalo 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 December 2024.

How much traffic does Nfa 1416 (sa 6708) over Buffalo Branch carry?

About 822 vehicles per day (2021 count), of which roughly 3% are trucks.

How long is Nfa 1416 (sa 6708) over Buffalo Branch?

The structure is 38 ft (11.7 m) long with a longest span of 12 ft (3.7 m).

Who owns Nfa 1416 (sa 6708) over Buffalo Branch?

It is owned by the County Highway Agency.