US Bridges

Nfa J087 over Cumby Bayou

Fair

Shelby County, Tennessee · Leath ST - Memphis · Structure no. 790J0870001

Built
1970
55 years old
Condition
Fair
inspected October 2024
Type
Culvert
Concrete Continuous
Length
27 ft
2 main spans
Daily traffic
210
2020 count
Owner
City
City or Municipal Highway Agency

About this bridge

Nfa J087 over Cumby Bayou is a concrete continuous culvert carrying Nfa J087 over Cumby Bayou in Shelby County, Tennessee. It was built in 1970, so it is 55 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 210 vehicles a day, roughly 1% of them trucks, projected to reach 336 by 2042. The structure is 27 ft (8.2 m) long. If it were closed, the detour would be 1.9 mi (3 km).

CarriesNfa J087
CrossesCumby Bayou
LocationLeath ST - Memphis
RouteCity Street 87
Coordinates35.15, -90.03322
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 inspectionOctober 2024
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 rating67.9 US tons
Inventory rating39.2 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadHS 20
Structure length27 ft (8.2 m)
Longest span14 ft (4.2 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic210 (2020)
Projected traffic336 by 2042
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 J087 over Cumby Bayou built?

It was built in 1970, making it 55 years old in 2025.

What condition is Nfa J087 over Cumby Bayou 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 October 2024.

How much traffic does Nfa J087 over Cumby Bayou carry?

About 210 vehicles per day (2020 count), of which roughly 1% are trucks.

How long is Nfa J087 over Cumby Bayou?

The structure is 27 ft (8.2 m) long with a longest span of 14 ft (4.2 m).

Who owns Nfa J087 over Cumby Bayou?

It is owned by the City or Municipal Highway Agency.