US Bridges

Second Street over Hyperballistics Range

GoodPosted for load

Franklin County, Tennessee · 596 Feet South of Von Kar · Structure no. AFTNANZY00003

Built
1960
65 years old
Condition
Good
inspected December 2024
Type
Frame
Concrete
Length
35 ft
2 main spans
Daily traffic
50
2020 count
Owner
Federal
Air Force

About this bridge

Second Street over Hyperballistics Range is a concrete frame carrying Second Street over Hyperballistics Range in Franklin County, Tennessee. It was built in 1960, so it is 65 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. Its operating status is: posted for load restriction.

It carries about 50 vehicles a day, projected to reach 60 by 2040. The structure is 35 ft (10.8 m) long and 27 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesSecond Street
CrossesHyperballistics Range
Location596 Feet South of Von Kar
RouteFederal Lands Road 0
Coordinates35.38407, -86.0435
Functional classRural Local

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 inspectionDecember 2024
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 alignment8: Equal to present desirable criteria
Operating rating33 US tons
Inventory rating19 US tons

Structure

Structure typeFrame
MaterialConcrete
DeckConcrete, cast-in-place
Main spans2
Design loadUnknown
Structure length35 ft (10.8 m)
Longest span20 ft (6.1 m)
Deck width27 ft (8.2 m)
Roadway width27 ft (8.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (2020)
Projected traffic60 by 2040
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesOther
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerAir Force
Maintained byAir Force
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost$15,000 (2022 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was Second Street over Hyperballistics Range built?

It was built in 1960, making it 65 years old in 2025.

What condition is Second Street over Hyperballistics Range 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 December 2024.

How much traffic does Second Street over Hyperballistics Range carry?

About 50 vehicles per day (2020 count).

How long is Second Street over Hyperballistics Range?

The structure is 35 ft (10.8 m) long with a longest span of 20 ft (6.1 m) and a deck 27 ft wide.

Who owns Second Street over Hyperballistics Range?

It is owned by the Air Force.