US Bridges

W. 19th Ave over Drainage Canal

Good

St. Tammany Parish, Louisiana · 0.6 Miles South of US 190 · Structure no. 625200000107074

Built
2011
14 years old
Condition
Good
inspected December 2024
Type
Culvert
Concrete
Length
24 ft
1 main span
Daily traffic
400
2011 count
Owner
City
City or Municipal Highway Agency

About this bridge

W. 19th Ave over Drainage Canal is a concrete culvert carrying W. 19th Ave over Drainage Canal in St. Tammany Parish, Louisiana. It was built in 2011, so it is 14 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 400 vehicles a day, roughly 1% of them trucks, projected to reach 440 by 2031. The structure is 24 ft (7.3 m) long and 32 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesW. 19th Ave
CrossesDrainage Canal
Location0.6 Miles South of US 190
RouteCounty Highway 0
Coordinates30.47634, -90.10695
Functional classUrban Local

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 inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating74 US tons
Inventory rating46 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHS 20
Structure length24 ft (7.3 m)
Longest span24 ft (7.3 m)
Deck width32 ft (9.9 m)
Roadway width20 ft (6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic400 (2011)
Projected traffic440 by 2031
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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 W. 19th Ave over Drainage Canal built?

It was built in 2011, making it 14 years old in 2025.

What condition is W. 19th Ave over Drainage 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 December 2024.

How much traffic does W. 19th Ave over Drainage Canal carry?

About 400 vehicles per day (2011 count), of which roughly 1% are trucks.

How long is W. 19th Ave over Drainage Canal?

The structure is 24 ft (7.3 m) long with a longest span of 24 ft (7.3 m) and a deck 32 ft wide.

Who owns W. 19th Ave over Drainage Canal?

It is owned by the City or Municipal Highway Agency.