US Bridges

Nfa 1350 (sa 3016) over I81

Fair

Greene County, Tennessee · Just NE of I81-US11E Exch · Structure no. 30I00810017

Built
1972
53 years old
Condition
Fair
inspected July 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
401 ft
3 main spans
Daily traffic
1,694
2021 count
Owner
State
State Highway Agency

About this bridge

Nfa 1350 (sa 3016) over I81 is a steel continuous stringer/multi-beam or girder carrying Nfa 1350 (sa 3016) over I81 in Greene County, Tennessee. It was built in 1972, so it is 53 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 1,694 vehicles a day, roughly 3% of them trucks, projected to reach 2,710 by 2042. The structure is 401 ft (122.2 m) long and 36 ft wide. If it were closed, the detour would be 19.9 mi (32 km).

CarriesNfa 1350 (sa 3016)
CrossesI81
LocationJust NE of I81-US11E Exch
RouteCounty Highway 1350
Coordinates36.23062, -83.02132
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.
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 geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating49.6 US tons
Inventory rating38.6 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length401 ft (122.2 m)
Longest span149 ft (45.4 m)
Deck width36 ft (11.1 m)
Roadway width31 ft (9.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,694 (2021)
Projected traffic2,710 by 2042
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed19.9 mi (32 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 1350 (sa 3016) over I81 built?

It was built in 1972, making it 53 years old in 2025.

What condition is Nfa 1350 (sa 3016) 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 1350 (sa 3016) over I81 carry?

About 1,694 vehicles per day (2021 count), of which roughly 3% are trucks.

How long is Nfa 1350 (sa 3016) over I81?

The structure is 401 ft (122.2 m) long with a longest span of 149 ft (45.4 m) and a deck 36 ft wide.

Who owns Nfa 1350 (sa 3016) over I81?

It is owned by the State Highway Agency.