US Bridges

Nfa A068 over Nolichucky River

PoorClosed to traffic

Unicoi County, Tennessee · Near Vnaka Springs · Structure no. 860A0680001

Built
1991
34 years old
Condition
Poor
inspected July 2024
Type
Box Beam or Girders - Single or Spread
Prestressed Concrete Continuous
Length
141 ft
4 main spans
Daily traffic
510
2020 count
Owner
County
County Highway Agency

About this bridge

Nfa A068 over Nolichucky River is a prestressed concrete continuous box beam or girders - single or spread carrying Nfa A068 over Nolichucky River in Unicoi County, Tennessee. It was built in 1991, so it is 34 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 0 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. Its operating status is: closed to all traffic.

It carries about 510 vehicles a day, roughly 2% of them trucks, projected to reach 816 by 2042. The structure is 141 ft (42.9 m) long and 33 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesNfa A068
CrossesNolichucky River
LocationNear Vnaka Springs
RouteCounty Highway 68
Coordinates36.1055, -82.4482
Functional classUrban 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
Deck0 FailedOut of service and beyond corrective action.
Superstructure0 FailedOut of service and beyond corrective action.
Substructure0 FailedOut of service and beyond corrective action.
Channel and channel protection0 FailedOut of service and beyond corrective action.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusClosed to all traffic
ScourFoundations stable; scour above top of footing
Structural evaluation0: Immediate repair necessary to put back in service
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy0: Immediate repair necessary to put back in service
Approach roadway alignment0: Immediate repair necessary to put back in service
Operating rating0 US tons
Inventory rating0 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, precast panels
Main spans4
Design loadHS 20
Structure length141 ft (42.9 m)
Longest span104 ft (31.7 m)
Deck width33 ft (10 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic510 (2020)
Projected traffic816 by 2042
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed123.7 mi (199 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 A068 over Nolichucky River built?

It was built in 1991, making it 34 years old in 2025.

What condition is Nfa A068 over Nolichucky River 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 July 2024.

How much traffic does Nfa A068 over Nolichucky River carry?

About 510 vehicles per day (2020 count), of which roughly 2% are trucks.

How long is Nfa A068 over Nolichucky River?

The structure is 141 ft (42.9 m) long with a longest span of 104 ft (31.7 m) and a deck 33 ft wide.

Who owns Nfa A068 over Nolichucky River?

It is owned by the County Highway Agency.