US Bridges

Nfa A017 over Half Pone Creek

Good

Cheatham County, Tennessee · 0.5 M. Sw. SR 12. · Structure no. 110A0170001

Built
1983
42 years old
Condition
Good
inspected July 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
121 ft
3 main spans
Daily traffic
130
2020 count
Owner
County
County Highway Agency

About this bridge

Nfa A017 over Half Pone Creek is a prestressed concrete continuous stringer/multi-beam or girder carrying Nfa A017 over Half Pone Creek in Cheatham County, Tennessee. It was built in 1983, so it is 42 years old, younger 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 130 vehicles a day, roughly 4% of them trucks, projected to reach 208 by 2040. The structure is 121 ft (36.9 m) long and 26 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesNfa A017
CrossesHalf Pone Creek
Location0.5 M. Sw. SR 12.
RouteCounty Highway 17
Coordinates36.38272, -87.19617
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.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating75.4 US tons
Inventory rating35.7 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length121 ft (36.9 m)
Longest span40 ft (12.2 m)
Deck width26 ft (7.8 m)
Roadway width23 ft (6.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic130 (2020)
Projected traffic208 by 2040
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Nfa A017 over Half Pone Creek built?

It was built in 1983, making it 42 years old in 2025.

What condition is Nfa A017 over Half Pone Creek 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 July 2024.

How much traffic does Nfa A017 over Half Pone Creek carry?

About 130 vehicles per day (2020 count), of which roughly 4% are trucks.

How long is Nfa A017 over Half Pone Creek?

The structure is 121 ft (36.9 m) long with a longest span of 40 ft (12.2 m) and a deck 26 ft wide.

Who owns Nfa A017 over Half Pone Creek?

It is owned by the County Highway Agency.