US Bridges

I81 over Nfa 2518 Hardy RD

Fair

Jefferson County, Tennessee · .78 MI from Hamblen CO LN · Structure no. 45I00810016

Built
1967
58 years old
Condition
Fair
inspected June 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
95 ft
1 main span
Daily traffic
49,004
2021 count
Owner
State
State Highway Agency

About this bridge

I81 over Nfa 2518 Hardy RD is a steel stringer/multi-beam or girder carrying I81 over Nfa 2518 Hardy RD in Jefferson County, Tennessee. It was built in 1967, so it is 58 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 49,004 vehicles a day, roughly 6% of them trucks, projected to reach 78,406 by 2042. The structure is 95 ft (29.1 m) long and 41 ft wide. If it were closed, the detour would be 19.9 mi (32 km).

CarriesI81
CrossesNfa 2518 Hardy RD
Location.78 MI from Hamblen CO LN
RouteInterstate 81
Coordinates36.13066, -83.30769
Functional classRural Principal Arterial - Interstate

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.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 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 rating48.2 US tons
Inventory rating37.1 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length95 ft (29.1 m)
Longest span92 ft (28 m)
Deck width41 ft (12.4 m)
Roadway width37 ft (11.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic49,004 (2021)
Projected traffic78,406 by 2042
Trucks6%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed19.9 mi (32 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 statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was I81 over Nfa 2518 Hardy RD built?

It was built in 1967, making it 58 years old in 2025.

What condition is I81 over Nfa 2518 Hardy RD 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 June 2024.

How much traffic does I81 over Nfa 2518 Hardy RD carry?

About 49,004 vehicles per day (2021 count), of which roughly 6% are trucks.

How long is I81 over Nfa 2518 Hardy RD?

The structure is 95 ft (29.1 m) long with a longest span of 92 ft (28 m) and a deck 41 ft wide.

Who owns I81 over Nfa 2518 Hardy RD?

It is owned by the State Highway Agency.