US Bridges

LA0016 over Drain

Fair

St. Helena Parish, Louisiana · 3.0 West of LA 449 Inter · Structure no. 624602620407061

Built
1997
28 years old
Condition
Fair
inspected October 2024
Type
Culvert
Steel
Length
37 ft
4 main spans
Daily traffic
4,844
2021 count
Owner
State
State Highway Agency

About this bridge

LA0016 over Drain is a steel culvert carrying LA0016 over Drain in St. Helena Parish, Louisiana. It was built in 1997, so it is 28 years old, younger 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 4,844 vehicles a day, roughly 11% of them trucks, projected to reach 5,328 by 2041. The structure is 37 ft (11.3 m) long and 94 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

CarriesLA0016
CrossesDrain
Location3.0 West of LA 449 Inter
RouteState Highway 16
Coordinates30.69769, -90.8055
Functional classRural 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
Channel and channel protection7 GoodSome minor problems.
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 adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating107.1 US tons
Inventory rating82.1 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans4
Design loadHS 20
Structure length37 ft (11.3 m)
Longest span7 ft (2.1 m)
Deck width94 ft (28.7 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,844 (2021)
Projected traffic5,328 by 2041
Trucks11%
Lanes on structure2
Traffic directionTwo-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 statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was LA0016 over Drain built?

It was built in 1997, making it 28 years old in 2025.

What condition is LA0016 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 October 2024.

How much traffic does LA0016 over Drain carry?

About 4,844 vehicles per day (2021 count), of which roughly 11% are trucks.

How long is LA0016 over Drain?

The structure is 37 ft (11.3 m) long with a longest span of 7 ft (2.1 m) and a deck 94 ft wide.

Who owns LA0016 over Drain?

It is owned by the State Highway Agency.