US Bridges

Nfa A068 over Cannon Creek

Good

Bledsoe County, Tennessee · .2 MI from US 127 · Structure no. 040A0680003

Built
2008
17 years old
Condition
Good
inspected July 2024
Type
Culvert
Concrete Continuous
Length
39 ft
2 main spans
Daily traffic
410
2020 count
Owner
County
County Highway Agency

About this bridge

Nfa A068 over Cannon Creek is a concrete continuous culvert carrying Nfa A068 over Cannon Creek in Bledsoe County, Tennessee. It was built in 2008, so it is 17 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 410 vehicles a day, roughly 4% of them trucks, projected to reach 656 by 2038. The structure is 39 ft (12 m) long and 31 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesNfa A068
CrossesCannon Creek
Location.2 MI from US 127
RouteCounty Highway 68
Coordinates35.50597, -85.29478
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 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 adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length39 ft (12 m)
Longest span18 ft (5.5 m)
Deck width31 ft (9.6 m)
Roadway width26 ft (8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic410 (2020)
Projected traffic656 by 2038
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 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 A068 over Cannon Creek built?

It was built in 2008, making it 17 years old in 2025.

What condition is Nfa A068 over Cannon 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 A068 over Cannon Creek carry?

About 410 vehicles per day (2020 count), of which roughly 4% are trucks.

How long is Nfa A068 over Cannon Creek?

The structure is 39 ft (12 m) long with a longest span of 18 ft (5.5 m) and a deck 31 ft wide.

Who owns Nfa A068 over Cannon Creek?

It is owned by the County Highway Agency.