US Bridges

Attu Street over Drainage Canal

Fair

Shelby County, Tennessee · 1 KM E of Singleton Ave. · Structure no. 1TN0311

Built
1942
83 years old
Condition
Fair
inspected April 2023
Type
Stringer/Multi-beam or Girder
Wood or Timber
Length
29 ft
3 main spans
Daily traffic
1,000
2015 count
Owner
Federal
Navy / Marines

About this bridge

Attu Street over Drainage Canal is a wood or timber stringer/multi-beam or girder carrying Attu Street over Drainage Canal in Shelby County, Tennessee. It was built in 1942, so it is 83 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 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 1,000 vehicles a day, roughly 10% of them trucks, projected to reach 1,100 by 2037. The structure is 29 ft (8.9 m) long and 25 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesAttu Street
CrossesDrainage Canal
Location1 KM E of Singleton Ave.
Coordinates35.34134, -89.8552
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating37 US tons
Inventory rating27.3 US tons

Structure

MaterialWood or Timber
DeckWood or timber
Main spans3
Design loadUnknown
Structure length29 ft (8.9 m)
Longest span9 ft (2.7 m)
Deck width25 ft (7.7 m)
Roadway width23 ft (7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,000 (2015)
Projected traffic1,100 by 2037
Trucks10%
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

OwnerNavy / Marines
Maintained byNavy / Marines
Historic statusHistorical significance not determinable at this time
Work proposedOther structural work, including hydraulic replacements
Estimated improvement cost$41,000 (2023 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was Attu Street over Drainage Canal built?

It was built in 1942, making it 83 years old in 2025.

What condition is Attu Street 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 Attu Street over Drainage Canal carry?

About 1,000 vehicles per day (2015 count), of which roughly 10% are trucks.

How long is Attu Street over Drainage Canal?

The structure is 29 ft (8.9 m) long with a longest span of 9 ft (2.7 m) and a deck 25 ft wide.

Who owns Attu Street over Drainage Canal?

It is owned by the Navy / Marines.