US Bridges

LA0040 over Drain

Good

St. Tammany Parish, Louisiana · 0.2 M W of LA 1077 · Structure no. 625202690701441

Built
1954
71 years old, rebuilt 2013
Condition
Good
inspected October 2023
Type
Culvert
Concrete
Length
24 ft
3 main spans
Daily traffic
2,778
2021 count
Owner
State
State Highway Agency

About this bridge

LA0040 over Drain is a concrete culvert carrying LA0040 over Drain in St. Tammany Parish, Louisiana. It was built in 1954 and reconstructed in 2013, so it is 71 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 2,778 vehicles a day, roughly 12% of them trucks, projected to reach 3,055 by 2041. The structure is 24 ft (7.3 m) long and 57 ft wide.

CarriesLA0040
CrossesDrain
Location0.2 M W of LA 1077
RouteState Highway 40
Coordinates30.61378, -90.2257
Functional classRural Major 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 protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating63.2 US tons
Inventory rating48.9 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadH 15
Structure length24 ft (7.3 m)
Longest span5 ft (1.5 m)
Deck width57 ft (17.4 m)
Roadway width57 ft (17.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,778 (2021)
Projected traffic3,055 by 2041
Trucks12%
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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was LA0040 over Drain built?

It was built in 1954, making it 71 years old in 2025. It was reconstructed in 2013.

What condition is LA0040 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 October 2023.

How much traffic does LA0040 over Drain carry?

About 2,778 vehicles per day (2021 count), of which roughly 12% are trucks.

How long is LA0040 over Drain?

The structure is 24 ft (7.3 m) long with a longest span of 5 ft (1.5 m) and a deck 57 ft wide.

Who owns LA0040 over Drain?

It is owned by the State Highway Agency.