US Bridges

Nfa A736 over Branch

Fair

McNairy County, Tennessee · Near Selmer · Structure no. 550A4180003

Built
1987
38 years old
Condition
Fair
inspected August 2024
Type
Culvert
Concrete Continuous
Length
39 ft
3 main spans
Daily traffic
60
2020 count
Owner
City
City or Municipal Highway Agency

About this bridge

Nfa A736 over Branch is a concrete continuous culvert carrying Nfa A736 over Branch in McNairy County, Tennessee. It was built in 1987, so it is 38 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 5 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 60 vehicles a day, roughly 2% of them trucks, projected to reach 96 by 2040. The structure is 39 ft (11.9 m) long and 32 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesNfa A736
CrossesBranch
LocationNear Selmer
RouteCity Street 736
CountyMcNairy County
StateTennessee
Coordinates35.16972, -88.60114
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 protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating63.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans3
Design loadHS 20
Structure length39 ft (11.9 m)
Longest span12 ft (3.7 m)
Deck width32 ft (9.8 m)
Roadway width23 ft (6.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic60 (2020)
Projected traffic96 by 2040
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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 A736 over Branch built?

It was built in 1987, making it 38 years old in 2025.

What condition is Nfa A736 over 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 August 2024.

How much traffic does Nfa A736 over Branch carry?

About 60 vehicles per day (2020 count), of which roughly 2% are trucks.

How long is Nfa A736 over Branch?

The structure is 39 ft (11.9 m) long with a longest span of 12 ft (3.7 m) and a deck 32 ft wide.

Who owns Nfa A736 over Branch?

It is owned by the City or Municipal Highway Agency.