US Bridges

LA1040 over Drain

Good

Tangipahoa Parish, Louisiana · 1.9 MI E. Liv. Ph Line · Structure no. 625308531001931

Built
1994
31 years old
Condition
Good
inspected February 2025
Type
Culvert
Concrete
Length
22 ft
2 main spans
Daily traffic
7,190
2021 count
Owner
State
State Highway Agency

About this bridge

LA1040 over Drain is a concrete culvert carrying LA1040 over Drain in Tangipahoa Parish, Louisiana. It was built in 1994, so it is 31 years old, younger 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 7,190 vehicles a day, roughly 9% of them trucks, projected to reach 7,909 by 2041. The structure is 22 ft (6.7 m) long and 53 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

CarriesLA1040
CrossesDrain
Location1.9 MI E. Liv. Ph Line
RouteState Highway 1040
Coordinates30.48627, -90.52514
Functional classUrban Collector

Condition and inspection

Good

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

ComponentRatingMeaning
Channel and channel protection8 Very GoodNo problems noted.
Culvert8 Very GoodNo problems noted.
Last inspectionFebruary 2025
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating44 US tons
Inventory rating34 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 20
Structure length22 ft (6.7 m)
Longest span10 ft (3 m)
Deck width53 ft (16.2 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,190 (2021)
Projected traffic7,909 by 2041
Trucks9%
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 LA1040 over Drain built?

It was built in 1994, making it 31 years old in 2025.

What condition is LA1040 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 February 2025.

How much traffic does LA1040 over Drain carry?

About 7,190 vehicles per day (2021 count), of which roughly 9% are trucks.

How long is LA1040 over Drain?

The structure is 22 ft (6.7 m) long with a longest span of 10 ft (3 m) and a deck 53 ft wide.

Who owns LA1040 over Drain?

It is owned by the State Highway Agency.