US Bridges

LA0632 over Drain Canal

Good

St. Charles Parish, Louisiana · 2.3 Miles South of HWY 90 · Structure no. 024500000020405

Built
1990
35 years old
Condition
Good
inspected June 2023
Type
Culvert
Steel
Length
24 ft
1 main span
Daily traffic
1,297
2021 count
Owner
State
State Highway Agency

About this bridge

LA0632 over Drain Canal is a steel culvert carrying LA0632 over Drain Canal in St. Charles Parish, Louisiana. It was built in 1990, so it is 35 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 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 1,297 vehicles a day, roughly 12% of them trucks, projected to reach 1,426 by 2041. The structure is 24 ft (7.3 m) long and 60 ft wide. If it were closed, the detour would be 11.2 mi (18 km).

CarriesLA0632
CrossesDrain Canal
Location2.3 Miles South of HWY 90
RouteState Highway 632
Coordinates29.81569, -90.463
Functional classRural Minor 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 protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert7 GoodSome minor problems.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating85 US tons
Inventory rating82.1 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans1
Design loadHS 20
Structure length24 ft (7.3 m)
Longest span24 ft (7.3 m)
Deck width60 ft (18.3 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,297 (2021)
Projected traffic1,426 by 2041
Trucks12%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed11.2 mi (18 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 LA0632 over Drain Canal built?

It was built in 1990, making it 35 years old in 2025.

What condition is LA0632 over Drain Canal 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 June 2023.

How much traffic does LA0632 over Drain Canal carry?

About 1,297 vehicles per day (2021 count), of which roughly 12% are trucks.

How long is LA0632 over Drain Canal?

The structure is 24 ft (7.3 m) long with a longest span of 24 ft (7.3 m) and a deck 60 ft wide.

Who owns LA0632 over Drain Canal?

It is owned by the State Highway Agency.