US Bridges

Nfa 4285 over Sinking Creek

Good

Wilson County, Tennessee · 1.1 KM S. of SR10/I40 · Structure no. 95042850007

Built
1976
49 years old
Condition
Good
inspected February 2024
Type
Culvert
Concrete Continuous
Length
75 ft
4 main spans
Daily traffic
7,467
2021 count
Owner
City
City or Municipal Highway Agency

About this bridge

Nfa 4285 over Sinking Creek is a concrete continuous culvert carrying Nfa 4285 over Sinking Creek in Wilson County, Tennessee. It was built in 1976, so it is 49 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 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 7,467 vehicles a day, roughly 7% of them trucks, projected to reach 15,888 by 2040. The structure is 75 ft (22.9 m) long and 90 ft wide. If it were closed, the detour would be 2.5 mi (4 km).

CarriesNfa 4285
CrossesSinking Creek
Location1.1 KM S. of SR10/I40
RouteCity Street 4285
Coordinates36.174, -86.30362
Functional classUrban Minor Arterial

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.
Culvert7 GoodSome minor problems.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating48.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadUnknown
Structure length75 ft (22.9 m)
Longest span18 ft (5.5 m)
Deck width90 ft (27.4 m)
Roadway width78 ft (23.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,467 (2021)
Projected traffic15,888 by 2040
Trucks7%
Lanes on structure3
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed2.5 mi (4 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Nfa 4285 over Sinking Creek built?

It was built in 1976, making it 49 years old in 2025.

What condition is Nfa 4285 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 February 2024.

How much traffic does Nfa 4285 over Sinking Creek carry?

About 7,467 vehicles per day (2021 count), of which roughly 7% are trucks.

How long is Nfa 4285 over Sinking Creek?

The structure is 75 ft (22.9 m) long with a longest span of 18 ft (5.5 m) and a deck 90 ft wide.

Who owns Nfa 4285 over Sinking Creek?

It is owned by the City or Municipal Highway Agency.