US Bridges

Nfa C011 over Overflow

Fair

Greene County, Tennessee · On Bridge Burners Blvd · Structure no. 300C0110001

Built
1997
28 years old
Condition
Fair
inspected March 2023
Type
Culvert
Concrete Continuous
Length
51 ft
3 main spans
Daily traffic
50
2020 count
Owner
County
County Highway Agency

About this bridge

Nfa C011 over Overflow is a concrete continuous culvert carrying Nfa C011 over Overflow in Greene County, Tennessee. It was built in 1997, so it is 28 years old, younger than the Tennessee average of 47.4 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 50 vehicles a day, roughly 2% of them trucks, projected to reach 80 by 2039. The structure is 51 ft (15.6 m) long and 49 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesNfa C011
CrossesOverflow
LocationOn Bridge Burners Blvd
RouteCounty Highway 11
CountyGreene County
StateTennessee
Coordinates36.20525, -83.0202
Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Channel and channel protection8 Very GoodNo problems noted.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry9: Superior to present desirable criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.5 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length51 ft (15.6 m)
Longest span16 ft (4.9 m)
Deck width49 ft (14.9 m)
Roadway width44 ft (13.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (2020)
Projected traffic80 by 2039
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 C011 over Overflow built?

It was built in 1997, making it 28 years old in 2025.

What condition is Nfa C011 over Overflow in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in March 2023.

How much traffic does Nfa C011 over Overflow carry?

About 50 vehicles per day (2020 count), of which roughly 2% are trucks.

How long is Nfa C011 over Overflow?

The structure is 51 ft (15.6 m) long with a longest span of 16 ft (4.9 m) and a deck 49 ft wide.

Who owns Nfa C011 over Overflow?

It is owned by the County Highway Agency.