US Bridges

Nfa 979 (sa 1109) over Racoon Creek

Good

Cheatham County, Tennessee · 3 M. E. SR 12. · Structure no. 11F00080011

Built
1969
56 years old
Condition
Good
inspected August 2024
Type
Culvert
Concrete Continuous
Length
26 ft
2 main spans
Daily traffic
300
2021 count
Owner
County
County Highway Agency

About this bridge

Nfa 979 (sa 1109) over Racoon Creek is a concrete continuous culvert carrying Nfa 979 (sa 1109) over Racoon Creek in Cheatham 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 300 vehicles a day, roughly 3% of them trucks, projected to reach 432 by 2040. The structure is 26 ft (7.9 m) long and 26 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesNfa 979 (sa 1109)
CrossesRacoon Creek
Location3 M. E. SR 12.
RouteCounty Highway 979
Coordinates36.39315, -87.12608
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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert7 GoodSome minor problems.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating63.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadH 15
Structure length26 ft (7.9 m)
Longest span12 ft (3.7 m)
Deck width26 ft (8 m)
Roadway width24 ft (7.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic300 (2021)
Projected traffic432 by 2040
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 979 (sa 1109) over Racoon Creek built?

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

What condition is Nfa 979 (sa 1109) over Racoon 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 August 2024.

How much traffic does Nfa 979 (sa 1109) over Racoon Creek carry?

About 300 vehicles per day (2021 count), of which roughly 3% are trucks.

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

The structure is 26 ft (7.9 m) long with a longest span of 12 ft (3.7 m) and a deck 26 ft wide.

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

It is owned by the County Highway Agency.