US Bridges

Nfa A450 over Stanley Creek

Good

Scott County, Tennessee · 6.5 Mi. SE of Oneida · Structure no. 760A1020001

Built
1965
60 years old, rebuilt 2022
Condition
Good
inspected August 2024
Type
Culvert
Concrete
Length
36 ft
2 main spans
Daily traffic
30
2020 count
Owner
County
County Highway Agency

About this bridge

Nfa A450 over Stanley Creek is a concrete culvert carrying Nfa A450 over Stanley Creek in Scott County, Tennessee. It was built in 1965 and reconstructed in 2022, so it is 60 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 30 vehicles a day, roughly 2% of them trucks, projected to reach 48 by 2042. The structure is 36 ft (11.1 m) long and 28 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

Location

Open in Google Maps
CarriesNfa A450
CrossesStanley Creek
Location6.5 Mi. SE of Oneida
RouteCounty Highway 450
CountyScott County
StateTennessee
Coordinates36.45683, -84.40533
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 protection7 GoodSome minor problems.
Culvert8 Very GoodNo problems noted.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable 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 alignment8: Equal to present desirable criteria
Operating rating46.7 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans2
Design loadHL 93
Structure length36 ft (11.1 m)
Longest span18 ft (5.5 m)
Deck width28 ft (8.4 m)
Roadway width22 ft (6.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic30 (2020)
Projected traffic48 by 2042
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 statusNot eligible for the National Register of Historic Places
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$478,000 (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Nfa A450 over Stanley Creek built?

It was built in 1965, making it 60 years old in 2025. It was reconstructed in 2022.

What condition is Nfa A450 over Stanley 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 A450 over Stanley Creek carry?

About 30 vehicles per day (2020 count), of which roughly 2% are trucks.

How long is Nfa A450 over Stanley Creek?

The structure is 36 ft (11.1 m) long with a longest span of 18 ft (5.5 m) and a deck 28 ft wide.

Who owns Nfa A450 over Stanley Creek?

It is owned by the County Highway Agency.