US Bridges

Nfa A386 over Clear Creek

Poor

Rhea County, Tennessee · 2MI East of SR 29 · Structure no. 720A3860001

Built
1994
31 years old
Condition
Poor
inspected October 2024
Type
Culvert
Concrete Continuous
Length
39 ft
2 main spans
Daily traffic
760
2020 count
Owner
County
County Highway Agency

About this bridge

Nfa A386 over Clear Creek is a concrete continuous culvert carrying Nfa A386 over Clear Creek in Rhea County, Tennessee. It was built in 1994, so it is 31 years old, younger than the Tennessee average of 47.4 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 760 vehicles a day, roughly 4% of them trucks, projected to reach 1,216 by 2042. The structure is 39 ft (11.9 m) long and 32 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesNfa A386
CrossesClear Creek
Location2MI East of SR 29
RouteCounty Highway 386
Coordinates35.59651, -84.90404
Functional classRural Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be 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 rating59.5 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length39 ft (11.9 m)
Longest span18 ft (5.5 m)
Deck width32 ft (9.7 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic760 (2020)
Projected traffic1,216 by 2042
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 statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Nfa A386 over Clear Creek built?

It was built in 1994, making it 31 years old in 2025.

What condition is Nfa A386 over Clear Creek in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in October 2024.

How much traffic does Nfa A386 over Clear Creek carry?

About 760 vehicles per day (2020 count), of which roughly 4% are trucks.

How long is Nfa A386 over Clear Creek?

The structure is 39 ft (11.9 m) long with a longest span of 18 ft (5.5 m) and a deck 32 ft wide.

Who owns Nfa A386 over Clear Creek?

It is owned by the County Highway Agency.