US Bridges

Nfa A082 (sa 3020) over I81

Fair

Greene County, Tennessee · 2 M SW of SR 70 Exit · Structure no. 30I00810027

Built
1968
57 years old
Condition
Fair
inspected July 2024
Type
Box Beam or Girders - Multiple
Concrete Continuous
Length
447 ft
5 main spans
Daily traffic
390
2020 count
Owner
State
State Highway Agency

About this bridge

Nfa A082 (sa 3020) over I81 is a concrete continuous box beam or girders - multiple carrying Nfa A082 (sa 3020) over I81 in Greene County, Tennessee. It was built in 1968, so it is 57 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 390 vehicles a day, roughly 2% of them trucks, projected to reach 624 by 2042. The structure is 447 ft (136.1 m) long and 33 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

Location

Open in Google Maps
CarriesNfa A082 (sa 3020)
CrossesI81
Location2 M SW of SR 70 Exit
RouteCounty Highway 82
CountyGreene County
StateTennessee
Coordinates36.25862, -82.95261
Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating45.7 US tons
Inventory rating33.2 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans5
Design loadHS 20 + Mod
Structure length447 ft (136.1 m)
Longest span122 ft (37.2 m)
Deck width33 ft (10 m)
Roadway width29 ft (8.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic390 (2020)
Projected traffic624 by 2042
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed8.1 mi (13 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Nfa A082 (sa 3020) over I81 built?

It was built in 1968, making it 57 years old in 2025.

What condition is Nfa A082 (sa 3020) over I81 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 July 2024.

How much traffic does Nfa A082 (sa 3020) over I81 carry?

About 390 vehicles per day (2020 count), of which roughly 2% are trucks.

How long is Nfa A082 (sa 3020) over I81?

The structure is 447 ft (136.1 m) long with a longest span of 122 ft (37.2 m) and a deck 33 ft wide.

Who owns Nfa A082 (sa 3020) over I81?

It is owned by the State Highway Agency.