US Bridges

Nfa 1021 (sa 7416) over I65

Good

Robertson County, Tennessee · 1.5 MI NE JCT I65&SR257 · Structure no. 74I00650005

Built
1969
56 years old
Condition
Good
inspected March 2024
Type
Box Beam or Girders - Multiple
Concrete Continuous
Length
312 ft
4 main spans
Daily traffic
1,664
2021 count
Owner
State
State Highway Agency

About this bridge

Nfa 1021 (sa 7416) over I65 is a concrete continuous box beam or girders - multiple carrying Nfa 1021 (sa 7416) over I65 in Robertson County, Tennessee. It was built in 1969, 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 1,664 vehicles a day, roughly 5% of them trucks, projected to reach 2,662 by 2042. The structure is 312 ft (95.1 m) long and 32 ft wide. If it were closed, the detour would be 19.9 mi (32 km).

CarriesNfa 1021 (sa 7416)
CrossesI65
Location1.5 MI NE JCT I65&SR257
RouteCounty Highway 1021
Coordinates36.43566, -86.70663
Functional classUrban 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 inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than 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 rating58.5 US tons
Inventory rating43.5 US tons

Structure

MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length312 ft (95.1 m)
Longest span114 ft (34.7 m)
Deck width32 ft (9.8 m)
Roadway width29 ft (8.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,664 (2021)
Projected traffic2,662 by 2042
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed19.9 mi (32 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 1021 (sa 7416) over I65 built?

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

What condition is Nfa 1021 (sa 7416) over I65 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 March 2024.

How much traffic does Nfa 1021 (sa 7416) over I65 carry?

About 1,664 vehicles per day (2021 count), of which roughly 5% are trucks.

How long is Nfa 1021 (sa 7416) over I65?

The structure is 312 ft (95.1 m) long with a longest span of 114 ft (34.7 m) and a deck 32 ft wide.

Who owns Nfa 1021 (sa 7416) over I65?

It is owned by the State Highway Agency.