US Bridges

Nfa 2592 (sa 3023) over I81

Fair

Greene County, Tennessee · Just E of SR70-I81 Exch · Structure no. 30I00810035

Built
1971
54 years old
Condition
Fair
inspected July 2024
Type
Box Beam or Girders - Multiple
Concrete Continuous
Length
361 ft
3 main spans
Daily traffic
944
2021 count
Owner
State
State Highway Agency

About this bridge

Nfa 2592 (sa 3023) over I81 is a concrete continuous box beam or girders - multiple carrying Nfa 2592 (sa 3023) over I81 in Greene County, Tennessee. It was built in 1971, so it is 54 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 5 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 944 vehicles a day, roughly 3% of them trucks, projected to reach 1,510 by 2042. The structure is 361 ft (110 m) long and 32 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

Location

Open in Google Maps
CarriesNfa 2592 (sa 3023)
CrossesI81
LocationJust E of SR70-I81 Exch
RouteCounty Highway 2592
CountyGreene County
StateTennessee
Coordinates36.29156, -82.89093
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating65.4 US tons
Inventory rating48.9 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length361 ft (110 m)
Longest span140 ft (42.7 m)
Deck width32 ft (9.9 m)
Roadway width29 ft (8.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic944 (2021)
Projected traffic1,510 by 2042
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed6.2 mi (10 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 2592 (sa 3023) over I81 built?

It was built in 1971, making it 54 years old in 2025.

What condition is Nfa 2592 (sa 3023) 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 2592 (sa 3023) over I81 carry?

About 944 vehicles per day (2021 count), of which roughly 3% are trucks.

How long is Nfa 2592 (sa 3023) over I81?

The structure is 361 ft (110 m) long with a longest span of 140 ft (42.7 m) and a deck 32 ft wide.

Who owns Nfa 2592 (sa 3023) over I81?

It is owned by the State Highway Agency.