US Bridges

Nfa A186 over Bowman Branch

Fair

Jackson County, Tennessee · 1MI East of SR56 · Structure no. 440A1860001

Built
1995
30 years old
Condition
Fair
inspected September 2023
Type
Culvert
Concrete Continuous
Length
41 ft
2 main spans
Daily traffic
260
2020 count
Owner
County
County Highway Agency

About this bridge

Nfa A186 over Bowman Branch is a concrete continuous culvert carrying Nfa A186 over Bowman Branch in Jackson County, Tennessee. It was built in 1995, so it is 30 years old, younger 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 260 vehicles a day, roughly 2% of them trucks, projected to reach 416 by 2039. The structure is 41 ft (12.5 m) long and 28 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

Location

Open in Google Maps
CarriesNfa A186
CrossesBowman Branch
Location1MI East of SR56
RouteCounty Highway 186
CountyJackson County
StateTennessee
Coordinates36.25518, -85.60207
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 inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating99.3 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length41 ft (12.5 m)
Longest span19 ft (5.8 m)
Deck width28 ft (8.4 m)
Roadway width22 ft (6.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic260 (2020)
Projected traffic416 by 2039
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed9.9 mi (16 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Nfa A186 over Bowman Branch built?

It was built in 1995, making it 30 years old in 2025.

What condition is Nfa A186 over Bowman Branch 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 September 2023.

How much traffic does Nfa A186 over Bowman Branch carry?

About 260 vehicles per day (2020 count), of which roughly 2% are trucks.

How long is Nfa A186 over Bowman Branch?

The structure is 41 ft (12.5 m) long with a longest span of 19 ft (5.8 m) and a deck 28 ft wide.

Who owns Nfa A186 over Bowman Branch?

It is owned by the County Highway Agency.