US Bridges

Nfa 2366 (sa 7314) over I40

Fair

Roane County, Tennessee · 3.9 M E of I40-SR58 Exch. · Structure no. 73I00400031

Built
1959
66 years old
Condition
Fair
inspected September 2024
Type
Tee Beam
Concrete Continuous
Length
265 ft
4 main spans
Daily traffic
903
2021 count
Owner
State
State Highway Agency

About this bridge

Nfa 2366 (sa 7314) over I40 is a concrete continuous tee beam carrying Nfa 2366 (sa 7314) over I40 in Roane County, Tennessee. It was built in 1959, so it is 66 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 903 vehicles a day, roughly 3% of them trucks, projected to reach 1,440 by 2040. The structure is 265 ft (80.8 m) long and 34 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

Location

Open in Google Maps
CarriesNfa 2366 (sa 7314)
CrossesI40
Location3.9 M E of I40-SR58 Exch.
RouteCounty Highway 2366
CountyRoane County
StateTennessee
Coordinates35.87162, -84.37686
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 inspectionSeptember 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 rating52.5 US tons
Inventory rating31.7 US tons

Structure

Structure typeTee Beam
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length265 ft (80.8 m)
Longest span76 ft (23.2 m)
Deck width34 ft (10.5 m)
Roadway width28 ft (8.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic903 (2021)
Projected traffic1,440 by 2040
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed9.9 mi (16 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 2366 (sa 7314) over I40 built?

It was built in 1959, making it 66 years old in 2025.

What condition is Nfa 2366 (sa 7314) 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 September 2024.

How much traffic does Nfa 2366 (sa 7314) over I40 carry?

About 903 vehicles per day (2021 count), of which roughly 3% are trucks.

How long is Nfa 2366 (sa 7314) over I40?

The structure is 265 ft (80.8 m) long with a longest span of 76 ft (23.2 m) and a deck 34 ft wide.

Who owns Nfa 2366 (sa 7314) over I40?

It is owned by the State Highway Agency.