US Bridges

Nfa A052 over Spivey Creek

PoorClosed to traffic

Unicoi County, Tennessee · S. of SR 36 · Structure no. 860A0520001

Built
1978
47 years old
Condition
Poor
inspected July 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
41 ft
1 main span
Daily traffic
30
2020 count
Owner
County
County Highway Agency

About this bridge

Nfa A052 over Spivey Creek is a steel stringer/multi-beam or girder carrying Nfa A052 over Spivey Creek in Unicoi County, Tennessee. It was built in 1978, so it is 47 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 2 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 30 vehicles a day, roughly 5% of them trucks, projected to reach 48 by 2042. The structure is 41 ft (12.6 m) long and 16 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesNfa A052
CrossesSpivey Creek
LocationS. of SR 36
RouteCounty Highway 52
Coordinates36.03732, -82.48307
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
Deck3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
Superstructure2 CriticalAdvanced deterioration of primary structural elements. Bridge may be closed until corrective action is taken.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
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 adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating0 US tons
Inventory rating0 US tons

Structure

MaterialSteel
DeckCorrugated steel
Main spans1
Design loadH 15
Structure length41 ft (12.6 m)
Longest span38 ft (11.7 m)
Deck width16 ft (4.9 m)
Roadway width13 ft (4.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic30 (2020)
Projected traffic48 by 2042
Trucks5%
Lanes on structure1
Traffic directionOne-lane bridge for two-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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$529,000 (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Nfa A052 over Spivey Creek built?

It was built in 1978, making it 47 years old in 2025.

What condition is Nfa A052 over Spivey 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 July 2024.

How much traffic does Nfa A052 over Spivey Creek carry?

About 30 vehicles per day (2020 count), of which roughly 5% are trucks.

How long is Nfa A052 over Spivey Creek?

The structure is 41 ft (12.6 m) long with a longest span of 38 ft (11.7 m) and a deck 16 ft wide.

Who owns Nfa A052 over Spivey Creek?

It is owned by the County Highway Agency.