US Bridges

Nfa B166 over Branch

Fair

Shelby County, Tennessee · Flamingo RD in Memphis · Structure no. 790B1660001

Built
1960
65 years old
Condition
Fair
inspected March 2023
Type
Culvert
Concrete Continuous
Length
22 ft
2 main spans
Daily traffic
270
2020 count
Owner
City
City or Municipal Highway Agency

About this bridge

Nfa B166 over Branch is a concrete continuous culvert carrying Nfa B166 over Branch in Shelby County, Tennessee. It was built in 1960, so it is 65 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 270 vehicles a day, roughly 2% of them trucks, projected to reach 432 by 2041. The structure is 22 ft (6.7 m) long. If it were closed, the detour would be 1.2 mi (2 km).

CarriesNfa B166
CrossesBranch
LocationFlamingo RD in Memphis
RouteCity Street 166
Coordinates35.08925, -89.91561
Functional classUrban 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 protection8 Very GoodNo problems noted.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating48.6 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 span9 ft (2.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic270 (2020)
Projected traffic432 by 2041
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
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 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 B166 over Branch built?

It was built in 1960, making it 65 years old in 2025.

What condition is Nfa B166 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 March 2023.

How much traffic does Nfa B166 over Branch carry?

About 270 vehicles per day (2020 count), of which roughly 2% are trucks.

How long is Nfa B166 over Branch?

The structure is 22 ft (6.7 m) long with a longest span of 9 ft (2.7 m).

Who owns Nfa B166 over Branch?

It is owned by the City or Municipal Highway Agency.