US Bridges

Belle Terre Blvd. over Drain

Fair

St. Tammany Parish, Louisiana · 0.8 MI W US190 Frontage R · Structure no. 625200000620266

Built
1936
89 years old
Condition
Fair
inspected January 2024
Type
Culvert
Steel
Length
39 ft
3 main spans
Daily traffic
100
2011 count
Owner
County
County Highway Agency

About this bridge

Belle Terre Blvd. over Drain is a steel culvert carrying Belle Terre Blvd. over Drain in St. Tammany Parish, Louisiana. It was built in 1936, so it is 89 years old, older than the Louisiana average of 43 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 100 vehicles a day, roughly 1% of them trucks, projected to reach 110 by 2031. The structure is 39 ft (11.9 m) long and 23 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

CarriesBelle Terre Blvd.
CrossesDrain
Location0.8 MI W US190 Frontage R
RouteCounty Highway 0
Coordinates30.42202, -90.09662
Functional classUrban Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating46.4 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans3
Design loadHS 15
Structure length39 ft (11.9 m)
Longest span11 ft (3.4 m)
Deck width23 ft (7 m)
Roadway width18 ft (5.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic100 (2011)
Projected traffic110 by 2031
Trucks1%
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

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusEligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Belle Terre Blvd. over Drain built?

It was built in 1936, making it 89 years old in 2025.

What condition is Belle Terre Blvd. over Drain in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in January 2024.

How much traffic does Belle Terre Blvd. over Drain carry?

About 100 vehicles per day (2011 count), of which roughly 1% are trucks.

How long is Belle Terre Blvd. over Drain?

The structure is 39 ft (11.9 m) long with a longest span of 11 ft (3.4 m) and a deck 23 ft wide.

Who owns Belle Terre Blvd. over Drain?

It is owned by the County Highway Agency.