US Bridges

US0090 over Drain Canal

Good

Terrebonne Parish, Louisiana · One Mile East of LA 24 · Structure no. 025500000020420

Built
1980
45 years old
Condition
Good
inspected May 2024
Type
Culvert
Steel
Length
38 ft
1 main span
Daily traffic
12,998
2021 count
Owner
State
State Highway Agency

About this bridge

US0090 over Drain Canal is a steel culvert carrying US0090 over Drain Canal in Terrebonne Parish, Louisiana. It was built in 1980, so it is 45 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 12,998 vehicles a day, roughly 18% of them trucks, projected to reach 14,297 by 2041. The structure is 38 ft (11.6 m) long and 242 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesUS0090
CrossesDrain Canal
LocationOne Mile East of LA 24
RouteU.S. Route 90
Coordinates29.68053, -90.7729
Functional classUrban Principal Arterial - Other Freeway or Expressway

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 inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than 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 rating107.1 US tons
Inventory rating82.1 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans1
Design loadHS 20
Structure length38 ft (11.6 m)
Longest span38 ft (11.6 m)
Deck width242 ft (73.8 m)
Roadway width8 ft (2.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic12,998 (2021)
Projected traffic14,297 by 2041
Trucks18%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$229,000
NavigationNo navigation control on waterway

Frequently asked questions

When was US0090 over Drain Canal built?

It was built in 1980, making it 45 years old in 2025.

What condition is US0090 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 May 2024.

How much traffic does US0090 over Drain Canal carry?

About 12,998 vehicles per day (2021 count), of which roughly 18% are trucks.

How long is US0090 over Drain Canal?

The structure is 38 ft (11.6 m) long with a longest span of 38 ft (11.6 m) and a deck 242 ft wide.

Who owns US0090 over Drain Canal?

It is owned by the State Highway Agency.