US Bridges

Nfa 979 (sa 1109) over Spring Creek

Good

Cheatham County, Tennessee · 2 M. Ne. SR 12. · Structure no. 11S61500005

Built
2009
16 years old
Condition
Good
inspected July 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
47 ft
1 main span
Daily traffic
604
2021 count
Owner
County
County Highway Agency

About this bridge

Nfa 979 (sa 1109) over Spring Creek is a steel stringer/multi-beam or girder carrying Nfa 979 (sa 1109) over Spring Creek in Cheatham County, Tennessee. It was built in 2009, so it is 16 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 604 vehicles a day, roughly 3% of them trucks, projected to reach 784 by 2040. The structure is 47 ft (14.3 m) long and 24 ft wide. If it were closed, the detour would be 8.7 mi (14 km).

CarriesNfa 979 (sa 1109)
CrossesSpring Creek
Location2 M. Ne. SR 12.
RouteCounty Highway 979
Coordinates36.334, -87.09772
Functional classRural Minor Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
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 rating76.4 US tons
Inventory rating35.7 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length47 ft (14.3 m)
Longest span44 ft (13.5 m)
Deck width24 ft (7.4 m)
Roadway width22 ft (6.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic604 (2021)
Projected traffic784 by 2040
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.7 mi (14 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Nfa 979 (sa 1109) over Spring Creek built?

It was built in 2009, making it 16 years old in 2025.

What condition is Nfa 979 (sa 1109) over Spring 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 979 (sa 1109) over Spring Creek carry?

About 604 vehicles per day (2021 count), of which roughly 3% are trucks.

How long is Nfa 979 (sa 1109) over Spring Creek?

The structure is 47 ft (14.3 m) long with a longest span of 44 ft (13.5 m) and a deck 24 ft wide.

Who owns Nfa 979 (sa 1109) over Spring Creek?

It is owned by the County Highway Agency.