US Bridges

Nfa A052 over Greenbrier Branch

Fair

Benton County, Tennessee · 2.6 MI E JCT SR69&HENRY C · Structure no. 030A0520001

Built
1986
39 years old
Condition
Fair
inspected February 2024
Type
Culvert
Concrete Continuous
Length
32 ft
3 main spans
Daily traffic
50
2020 count
Owner
County
County Highway Agency

About this bridge

Nfa A052 over Greenbrier Branch is a concrete continuous culvert carrying Nfa A052 over Greenbrier Branch in Benton County, Tennessee. It was built in 1986, so it is 39 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 50 vehicles a day, roughly 8% of them trucks, projected to reach 80 by 2042. The structure is 32 ft (9.8 m) long and 28 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesNfa A052
CrossesGreenbrier Branch
Location2.6 MI E JCT SR69&HENRY C
RouteCounty Highway 52
CountyBenton County
StateTennessee
Coordinates36.17925, -88.1295
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 inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating93.3 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length32 ft (9.8 m)
Longest span10 ft (3 m)
Deck width28 ft (8.4 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (2020)
Projected traffic80 by 2042
Trucks8%
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 statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Nfa A052 over Greenbrier Branch built?

It was built in 1986, making it 39 years old in 2025.

What condition is Nfa A052 over Greenbrier 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 February 2024.

How much traffic does Nfa A052 over Greenbrier Branch carry?

About 50 vehicles per day (2020 count), of which roughly 8% are trucks.

How long is Nfa A052 over Greenbrier Branch?

The structure is 32 ft (9.8 m) long with a longest span of 10 ft (3 m) and a deck 28 ft wide.

Who owns Nfa A052 over Greenbrier Branch?

It is owned by the County Highway Agency.