US Bridges

Nfa 2306 (sa 6707) over Cleek Branch

Fair

Overton County, Tennessee · .8 MI East of SR136 · Structure no. 67023060001

Built
1972
53 years old
Condition
Fair
inspected December 2024
Type
Culvert
Concrete Continuous
Length
22 ft
2 main spans
Daily traffic
303
2021 count
Owner
County
County Highway Agency

About this bridge

Nfa 2306 (sa 6707) over Cleek Branch is a concrete continuous culvert carrying Nfa 2306 (sa 6707) over Cleek Branch in Overton County, Tennessee. It was built in 1972, so it is 53 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 303 vehicles a day, roughly 3% of them trucks, projected to reach 720 by 2041. The structure is 22 ft (6.7 m) long and 24 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

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CarriesNfa 2306 (sa 6707)
CrossesCleek Branch
Location.8 MI East of SR136
RouteCounty Highway 2306
CountyOverton County
StateTennessee
Coordinates36.32117, -85.4205
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
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating78.6 US tons
Inventory rating26.8 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadH 15
Structure length22 ft (6.7 m)
Longest span10 ft (3 m)
Deck width24 ft (7.3 m)
Roadway width21 ft (6.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic303 (2021)
Projected traffic720 by 2041
Trucks3%
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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Nfa 2306 (sa 6707) over Cleek Branch built?

It was built in 1972, making it 53 years old in 2025.

What condition is Nfa 2306 (sa 6707) over Cleek 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 2306 (sa 6707) over Cleek Branch carry?

About 303 vehicles per day (2021 count), of which roughly 3% are trucks.

How long is Nfa 2306 (sa 6707) over Cleek Branch?

The structure is 22 ft (6.7 m) long with a longest span of 10 ft (3 m) and a deck 24 ft wide.

Who owns Nfa 2306 (sa 6707) over Cleek Branch?

It is owned by the County Highway Agency.