Nfa A586 over Spring Creek

Good

Jefferson County, Tennessee · City of Oak Grove · Structure no. 450A5860001

Built: 1997; 28 years old
Condition: Good; inspected May 2023
Type: Culvert; Concrete Continuous
Length: 30 ft; 2 main spans
Daily traffic: 250; 2020 count
Owner: City; City or Municipal Highway Agency

About this bridge

Nfa A586 over Spring Creek is a concrete continuous culvert carrying Nfa A586 over Spring Creek in Jefferson County, Tennessee. It was built in 1997, so it is 28 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 250 vehicles a day, roughly 2% of them trucks, projected to reach 400 by 2041. The structure is 30 ft (9 m) long and 28 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps

CarriesNfa A586

CrossesSpring Creek

LocationCity of Oak Grove

RouteCity Street 586

CountyJefferson County

StateTennessee

Coordinates36.04282, -83.36

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.

Component	Rating	Meaning
Channel and channel protection	7 Good	Some minor problems.
Culvert	7 Good	Some minor problems.

Last inspectionMay 2023

Inspection intervalevery 24 months

Operating statusOpen, no restriction

ScourFoundations stable; scour above top of footing

Structural evaluation7: Better than present minimum criteria

Deck geometry4: Meets minimum tolerable limits to be left in place as is

Waterway adequacy6: Equal to present minimum criteria

Approach roadway alignment8: Equal to present desirable criteria

Operating rating75.4 US tons

Inventory rating35.7 US tons

Structure

Structure typeCulvert

MaterialConcrete Continuous

DeckConcrete, cast-in-place

Main spans2

Design loadHS 20

Structure length30 ft (9 m)

Longest span12 ft (3.7 m)

Deck width28 ft (8.4 m)

Roadway width23 ft (6.9 m)

Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic250 (2020)

Projected traffic400 by 2041

Trucks2%

Lanes on structure2

Traffic directionTwo-way traffic

CarriesHighway

CrossesWaterway

Detour if closed1.9 mi (3 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 A586 over Spring Creek built?

It was built in 1997, making it 28 years old in 2025.

What condition is Nfa A586 over Spring 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 May 2023.

How much traffic does Nfa A586 over Spring Creek carry?

About 250 vehicles per day (2020 count), of which roughly 2% are trucks.

How long is Nfa A586 over Spring Creek?

The structure is 30 ft (9 m) long with a longest span of 12 ft (3.7 m) and a deck 28 ft wide.

Who owns Nfa A586 over Spring Creek?

It is owned by the City or Municipal Highway Agency.