US Bridges

Nfa 2020 (sa 7517) over I0024

Good

Rutherford County, Tennessee · 3.4 MI NW JCT I24&COFFEE · Structure no. 75I00240047

Built
1968
57 years old
Condition
Good
inspected June 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
390 ft
5 main spans
Daily traffic
276
2021 count
Owner
State
State Highway Agency

About this bridge

Nfa 2020 (sa 7517) over I0024 is a steel continuous stringer/multi-beam or girder carrying Nfa 2020 (sa 7517) over I0024 in Rutherford County, Tennessee. It was built in 1968, so it is 57 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 276 vehicles a day, roughly 5% of them trucks, projected to reach 442 by 2042. The structure is 390 ft (118.9 m) long and 32 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesNfa 2020 (sa 7517)
CrossesI0024
Location3.4 MI NW JCT I24&COFFEE
RouteCounty Highway 2020
Coordinates35.67114, -86.2815
Functional classRural Major Collector

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 inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating45.7 US tons
Inventory rating27.9 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans5
Design loadH 20
Structure length390 ft (118.9 m)
Longest span107 ft (32.6 m)
Deck width32 ft (9.9 m)
Roadway width29 ft (8.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic276 (2021)
Projected traffic442 by 2042
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed5 mi (8 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 2020 (sa 7517) over I0024 built?

It was built in 1968, making it 57 years old in 2025.

What condition is Nfa 2020 (sa 7517) over I0024 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 June 2024.

How much traffic does Nfa 2020 (sa 7517) over I0024 carry?

About 276 vehicles per day (2021 count), of which roughly 5% are trucks.

How long is Nfa 2020 (sa 7517) over I0024?

The structure is 390 ft (118.9 m) long with a longest span of 107 ft (32.6 m) and a deck 32 ft wide.

Who owns Nfa 2020 (sa 7517) over I0024?

It is owned by the State Highway Agency.