US Bridges

Nfa A308 over Cane Creek

Fair

Scott County, Tennessee · 2.7 M E JCT SR 29&SR 63 · Structure no. 760A3080001

Built
1950
75 years old
Condition
Fair
inspected August 2024
Type
Culvert
Concrete Continuous
Length
29 ft
2 main spans
Daily traffic
490
2020 count
Owner
City
City or Municipal Highway Agency

About this bridge

Nfa A308 over Cane Creek is a concrete continuous culvert carrying Nfa A308 over Cane Creek in Scott County, Tennessee. It was built in 1950, so it is 75 years old, older 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 6 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 490 vehicles a day, roughly 2% of them trucks, projected to reach 784 by 2042. The structure is 29 ft (8.8 m) long and 32 ft wide. If it were closed, the detour would be 11.8 mi (19 km).

Location

Open in Google Maps
CarriesNfa A308
CrossesCane Creek
Location2.7 M E JCT SR 29&SR 63
RouteCity Street 308
CountyScott County
StateTennessee
Coordinates36.40832, -84.48965
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 protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to 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 rating35.7 US tons
Inventory rating26.8 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadUnknown
Structure length29 ft (8.8 m)
Longest span14 ft (4.3 m)
Deck width32 ft (9.7 m)
Roadway width29 ft (8.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic490 (2020)
Projected traffic784 by 2042
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed11.8 mi (19 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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 A308 over Cane Creek built?

It was built in 1950, making it 75 years old in 2025.

What condition is Nfa A308 over Cane Creek 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 August 2024.

How much traffic does Nfa A308 over Cane Creek carry?

About 490 vehicles per day (2020 count), of which roughly 2% are trucks.

How long is Nfa A308 over Cane Creek?

The structure is 29 ft (8.8 m) long with a longest span of 14 ft (4.3 m) and a deck 32 ft wide.

Who owns Nfa A308 over Cane Creek?

It is owned by the City or Municipal Highway Agency.