US Bridges

Nfa A466 over Sinking Creek

GoodPosted for load

Greene County, Tennessee · N of Tusculum · Structure no. 300A4660001

Built
1996
29 years old
Condition
Good
inspected January 2025
Type
Stringer/Multi-beam or Girder
Steel
Length
26 ft
1 main span
Daily traffic
60
2020 count
Owner
County
County Highway Agency

About this bridge

Nfa A466 over Sinking Creek is a steel stringer/multi-beam or girder carrying Nfa A466 over Sinking Creek in Greene County, Tennessee. It was built in 1996, so it is 29 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 60 vehicles a day, roughly 1% of them trucks, projected to reach 96 by 2041. The structure is 26 ft (7.9 m) long and 24 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesNfa A466
CrossesSinking Creek
LocationN of Tusculum
RouteCounty Highway 466
Coordinates36.2247, -82.74523
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJanuary 2025
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
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 rating19.3 US tons
Inventory rating15 US tons

Structure

MaterialSteel
DeckCorrugated steel
Main spans1
Design loadH 10
Structure length26 ft (7.9 m)
Longest span23 ft (7 m)
Deck width24 ft (7.3 m)
Roadway width23 ft (7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic60 (2020)
Projected traffic96 by 2041
Trucks1%
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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$181,000 (2021 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Nfa A466 over Sinking Creek built?

It was built in 1996, making it 29 years old in 2025.

What condition is Nfa A466 over Sinking 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 January 2025.

How much traffic does Nfa A466 over Sinking Creek carry?

About 60 vehicles per day (2020 count), of which roughly 1% are trucks.

How long is Nfa A466 over Sinking Creek?

The structure is 26 ft (7.9 m) long with a longest span of 23 ft (7 m) and a deck 24 ft wide.

Who owns Nfa A466 over Sinking Creek?

It is owned by the County Highway Agency.