US Bridges

Nfa A011 over Stoney Flat Creek

GoodPosted for load

Anderson County, Tennessee · 3.6 M SW of SR116-SR330 J · Structure no. 010A0110003

Built
1978
47 years old
Condition
Good
inspected July 2023
Type
Culvert
Concrete Continuous
Length
28 ft
2 main spans
Daily traffic
450
2020 count
Owner
County
County Highway Agency

About this bridge

Nfa A011 over Stoney Flat Creek is a concrete continuous culvert carrying Nfa A011 over Stoney Flat Creek in Anderson County, Tennessee. It was built in 1978, so it is 47 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. Its operating status is: posted for load restriction.

It carries about 450 vehicles a day, roughly 2% of them trucks, projected to reach 720 by 2041. The structure is 28 ft (8.5 m) long and 31 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

Location

Open in Google Maps
CarriesNfa A011
CrossesStoney Flat Creek
Location3.6 M SW of SR116-SR330 J
RouteCounty Highway 11
CountyAnderson County
StateTennessee
Coordinates36.09592, -84.28568
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
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert7 GoodSome minor problems.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusPosted for load 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 adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating64.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length28 ft (8.5 m)
Longest span14 ft (4.2 m)
Deck width31 ft (9.5 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic450 (2020)
Projected traffic720 by 2041
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed123.7 mi (199 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 A011 over Stoney Flat Creek built?

It was built in 1978, making it 47 years old in 2025.

What condition is Nfa A011 over Stoney Flat 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 2023.

How much traffic does Nfa A011 over Stoney Flat Creek carry?

About 450 vehicles per day (2020 count), of which roughly 2% are trucks.

How long is Nfa A011 over Stoney Flat Creek?

The structure is 28 ft (8.5 m) long with a longest span of 14 ft (4.2 m) and a deck 31 ft wide.

Who owns Nfa A011 over Stoney Flat Creek?

It is owned by the County Highway Agency.