US Bridges

Nfa 911 (sa 0311) over Greenbrier Branch

Fair

Benton County, Tennessee · 2.4 MI NE JCT SR69&HENRY · Structure no. 03S80400017

Built
1965
60 years old
Condition
Fair
inspected February 2024
Type
Culvert
Concrete Continuous
Length
22 ft
2 main spans
Daily traffic
582
2021 count
Owner
County
County Highway Agency

About this bridge

Nfa 911 (sa 0311) over Greenbrier Branch is a concrete continuous culvert carrying Nfa 911 (sa 0311) over Greenbrier Branch in Benton County, Tennessee. It was built in 1965, so it is 60 years old, older 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 582 vehicles a day, roughly 3% of them trucks, projected to reach 931 by 2042. The structure is 22 ft (6.7 m) long. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesNfa 911 (sa 0311)
CrossesGreenbrier Branch
Location2.4 MI NE JCT SR69&HENRY
RouteCounty Highway 911
CountyBenton County
StateTennessee
Coordinates36.18181, -88.12064
Functional classRural Minor Collector

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 protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
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
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating71.4 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadHS 20
Structure length22 ft (6.7 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic582 (2021)
Projected traffic931 by 2042
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 911 (sa 0311) over Greenbrier Branch built?

It was built in 1965, making it 60 years old in 2025.

What condition is Nfa 911 (sa 0311) 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 911 (sa 0311) over Greenbrier Branch carry?

About 582 vehicles per day (2021 count), of which roughly 3% are trucks.

How long is Nfa 911 (sa 0311) over Greenbrier Branch?

The structure is 22 ft (6.7 m) long with a longest span of 10 ft (3 m).

Who owns Nfa 911 (sa 0311) over Greenbrier Branch?

It is owned by the County Highway Agency.