US Bridges

LA0025 over Drain

Fair

St. Tammany Parish, Louisiana · 1.4 M N of LA 40 · Structure no. 625200590213721

Built
1963
62 years old
Condition
Fair
inspected September 2023
Type
Culvert
Steel
Length
34 ft
2 main spans
Daily traffic
9,685
2021 count
Owner
State
State Highway Agency

About this bridge

LA0025 over Drain is a steel culvert carrying LA0025 over Drain in St. Tammany Parish, Louisiana. It was built in 1963, so it is 62 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 9,685 vehicles a day, roughly 11% of them trucks, projected to reach 10,653 by 2041. The structure is 34 ft (10.4 m) long and 71 ft wide.

CarriesLA0025
CrossesDrain
Location1.4 M N of LA 40
RouteState Highway 25
Coordinates30.65117, -90.1977
Functional classRural Minor Arterial

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 inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to 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 spans2
Design loadHS 20
Structure length34 ft (10.4 m)
Longest span14 ft (4.3 m)
Deck width71 ft (21.5 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic9,685 (2021)
Projected traffic10,653 by 2041
Trucks11%
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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$214,000
NavigationNo navigation control on waterway

Frequently asked questions

When was LA0025 over Drain built?

It was built in 1963, making it 62 years old in 2025.

What condition is LA0025 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 September 2023.

How much traffic does LA0025 over Drain carry?

About 9,685 vehicles per day (2021 count), of which roughly 11% are trucks.

How long is LA0025 over Drain?

The structure is 34 ft (10.4 m) long with a longest span of 14 ft (4.3 m) and a deck 71 ft wide.

Who owns LA0025 over Drain?

It is owned by the State Highway Agency.