US Bridges

Singleton Ave over Drainage Canal

Fair

Shelby County, Tennessee · 0.1 KM E of Singleton Ave · Structure no. 1TN0314

Built
1947
78 years old
Condition
Fair
inspected April 2023
Type
Tee Beam
Concrete
Length
22 ft
1 main span
Daily traffic
200
2015 count
Owner
Federal
Navy / Marines

About this bridge

Singleton Ave over Drainage Canal is a concrete tee beam carrying Singleton Ave over Drainage Canal in Shelby County, Tennessee. It was built in 1947, so it is 78 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 200 vehicles a day, roughly 10% of them trucks, projected to reach 250 by 2037. The structure is 22 ft (6.6 m) long and 34 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Location

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CarriesSingleton Ave
CrossesDrainage Canal
Location0.1 KM E of Singleton Ave
CountyShelby County
StateTennessee
Coordinates35.33022, -89.86825
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
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 rating48.9 US tons
Inventory rating29.2 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length22 ft (6.6 m)
Longest span20 ft (6.1 m)
Deck width34 ft (10.4 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic200 (2015)
Projected traffic250 by 2037
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed0.6 mi (1 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerNavy / Marines
Maintained byNavy / Marines
Historic statusHistorical significance not determinable at this time
Work proposedOther structural work, including hydraulic replacements
Estimated improvement cost$43,000 (2023 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was Singleton Ave over Drainage Canal built?

It was built in 1947, making it 78 years old in 2025.

What condition is Singleton Ave over Drainage Canal 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 April 2023.

How much traffic does Singleton Ave over Drainage Canal carry?

About 200 vehicles per day (2015 count), of which roughly 10% are trucks.

How long is Singleton Ave over Drainage Canal?

The structure is 22 ft (6.6 m) long with a longest span of 20 ft (6.1 m) and a deck 34 ft wide.

Who owns Singleton Ave over Drainage Canal?

It is owned by the Navy / Marines.