US Bridges

I81 over Nfa 2068

Good

Sullivan County, Tennessee · .9 M SW JCT I81&I181 · Structure no. 82I00810003

Built
1969
56 years old, rebuilt 2000
Condition
Good
inspected August 2024
Type
Tee Beam
Concrete Continuous
Length
134 ft
3 main spans
Daily traffic
35,191
2021 count
Owner
State
State Highway Agency

About this bridge

I81 over Nfa 2068 is a concrete continuous tee beam carrying I81 over Nfa 2068 in Sullivan County, Tennessee. It was built in 1969 and reconstructed in 2000, so it is 56 years old, older than the Tennessee average of 47.4 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 35,191 vehicles a day, roughly 6% of them trucks, projected to reach 55,184 by 2040. The structure is 134 ft (40.8 m) long and 88 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesI81
CrossesNfa 2068
Location.9 M SW JCT I81&I181
RouteInterstate 81
Coordinates36.445, -82.53667
Functional classUrban Principal Arterial - Interstate

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating57.5 US tons
Inventory rating40.7 US tons

Structure

Structure typeTee Beam
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length134 ft (40.8 m)
Longest span52 ft (15.8 m)
Deck width88 ft (26.7 m)
Roadway width84 ft (25.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic35,191 (2021)
Projected traffic55,184 by 2040
Trucks6%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

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 I81 over Nfa 2068 built?

It was built in 1969, making it 56 years old in 2025. It was reconstructed in 2000.

What condition is I81 over Nfa 2068 in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in August 2024.

How much traffic does I81 over Nfa 2068 carry?

About 35,191 vehicles per day (2021 count), of which roughly 6% are trucks.

How long is I81 over Nfa 2068?

The structure is 134 ft (40.8 m) long with a longest span of 52 ft (15.8 m) and a deck 88 ft wide.

Who owns I81 over Nfa 2068?

It is owned by the State Highway Agency.