US Bridges

Nfa A073 over I40

FairPosted for load

Cumberland County, Tennessee · 3.2 MI from SR24 · Structure no. 18I00400011

Built
1965
60 years old
Condition
Fair
inspected October 2023
Type
Tee Beam
Concrete Continuous
Length
377 ft
5 main spans
Daily traffic
80
2020 count
Owner
State
State Highway Agency

About this bridge

Nfa A073 over I40 is a concrete continuous tee beam carrying Nfa A073 over I40 in Cumberland County, Tennessee. It was built in 1965, so it is 60 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. Its operating status is: posted for load restriction.

It carries about 80 vehicles a day, roughly 2% of them trucks, projected to reach 128 by 2042. The structure is 377 ft (114.9 m) long and 29 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesNfa A073
CrossesI40
Location3.2 MI from SR24
RouteCounty Highway 73
Coordinates36.02039, -85.07821
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating29.3 US tons
Inventory rating22.5 US tons

Structure

Structure typeTee Beam
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans5
Design loadH 15
Structure length377 ft (114.9 m)
Longest span85 ft (25.8 m)
Deck width29 ft (8.7 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic80 (2020)
Projected traffic128 by 2042
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed123.7 mi (199 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$2.4 million (2022 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was Nfa A073 over I40 built?

It was built in 1965, making it 60 years old in 2025.

What condition is Nfa A073 over I40 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 October 2023.

How much traffic does Nfa A073 over I40 carry?

About 80 vehicles per day (2020 count), of which roughly 2% are trucks.

How long is Nfa A073 over I40?

The structure is 377 ft (114.9 m) long with a longest span of 85 ft (25.8 m) and a deck 29 ft wide.

Who owns Nfa A073 over I40?

It is owned by the State Highway Agency.