US Bridges

LA0070 over Drain

Fair

Assumption Parish, Louisiana · 2.0 M NE of LA 1&LA 70 · Structure no. 610402323002091

Built
1973
52 years old
Condition
Fair
inspected April 2023
Type
Slab
Concrete
Length
60 ft
2 main spans
Daily traffic
3,881
2021 count
Owner
State
State Highway Agency

About this bridge

LA0070 over Drain is a concrete slab carrying LA0070 over Drain in Assumption Parish, Louisiana. It was built in 1973, so it is 52 years old, older than the Louisiana average of 43 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 3,881 vehicles a day, roughly 7% of them trucks, projected to reach 4,269 by 2041. The structure is 60 ft (18.3 m) long and 43 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

CarriesLA0070
CrossesDrain
Location2.0 M NE of LA 1&LA 70
RouteState Highway 70
Coordinates30.00997, -91.02304
Functional classUrban Minor Arterial

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.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating75 US tons
Inventory rating45 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length60 ft (18.3 m)
Longest span30 ft (9.1 m)
Deck width43 ft (13.2 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,881 (2021)
Projected traffic4,269 by 2041
Trucks7%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed98.8 mi (159 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 LA0070 over Drain built?

It was built in 1973, making it 52 years old in 2025.

What condition is LA0070 over Drain 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 LA0070 over Drain carry?

About 3,881 vehicles per day (2021 count), of which roughly 7% are trucks.

How long is LA0070 over Drain?

The structure is 60 ft (18.3 m) long with a longest span of 30 ft (9.1 m) and a deck 43 ft wide.

Who owns LA0070 over Drain?

It is owned by the State Highway Agency.