US Bridges

LA0016 over Drain

Good

Tangipahoa Parish, Louisiana · 1.4 M E of US 51 · Structure no. 625300470101641

Built
1962
63 years old
Condition
Good
inspected March 2023
Type
Slab
Concrete
Length
120 ft
6 main spans
Daily traffic
12,718
2021 count
Owner
State
State Highway Agency

About this bridge

LA0016 over Drain is a concrete slab carrying LA0016 over Drain in Tangipahoa Parish, Louisiana. It was built in 1962, so it is 63 years old, older than the Louisiana average of 43 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 12,718 vehicles a day, roughly 11% of them trucks, projected to reach 13,989 by 2041. The structure is 120 ft (36.6 m) long and 34 ft wide.

CarriesLA0016
CrossesDrain
Location1.4 M E of US 51
RouteState Highway 16
Coordinates30.72937, -90.4821
Functional classRural Minor Arterial

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 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 geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating50 US tons
Inventory rating30 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans6
Design loadHS 20
Structure length120 ft (36.6 m)
Longest span20 ft (6.1 m)
Deck width34 ft (10.3 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic12,718 (2021)
Projected traffic13,989 by 2041
Trucks11%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$585,000
NavigationNo navigation control on waterway

Frequently asked questions

When was LA0016 over Drain built?

It was built in 1962, making it 63 years old in 2025.

What condition is LA0016 over Drain in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in March 2023.

How much traffic does LA0016 over Drain carry?

About 12,718 vehicles per day (2021 count), of which roughly 11% are trucks.

How long is LA0016 over Drain?

The structure is 120 ft (36.6 m) long with a longest span of 20 ft (6.1 m) and a deck 34 ft wide.

Who owns LA0016 over Drain?

It is owned by the State Highway Agency.