US Bridges

LA0022 over Drain

Fair

Tangipahoa Parish, Louisiana · 1.4 M W of LA 445 · Structure no. 625302610406291

Built
1939
86 years old
Condition
Fair
inspected March 2023
Type
Tee Beam
Concrete
Length
281 ft
7 main spans
Daily traffic
6,435
2021 count
Owner
State
State Highway Agency

About this bridge

LA0022 over Drain is a concrete tee beam carrying LA0022 over Drain in Tangipahoa Parish, Louisiana. It was built in 1939, so it is 86 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 6,435 vehicles a day, roughly 11% of them trucks, projected to reach 7,078 by 2041. The structure is 281 ft (85.6 m) long and 29 ft wide.

CarriesLA0022
CrossesDrain
Location1.4 M W of LA 445
RouteState Highway 22
Coordinates30.44382, -90.3397
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
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 rating49.1 US tons
Inventory rating30 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans7
Design loadH 15
Structure length281 ft (85.6 m)
Longest span41 ft (12.5 m)
Deck width29 ft (8.7 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,435 (2021)
Projected traffic7,078 by 2041
Trucks11%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesRelief for waterway
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$1.2 million
NavigationNo navigation control on waterway

Frequently asked questions

When was LA0022 over Drain built?

It was built in 1939, making it 86 years old in 2025.

What condition is LA0022 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 March 2023.

How much traffic does LA0022 over Drain carry?

About 6,435 vehicles per day (2021 count), of which roughly 11% are trucks.

How long is LA0022 over Drain?

The structure is 281 ft (85.6 m) long with a longest span of 41 ft (12.5 m) and a deck 29 ft wide.

Who owns LA0022 over Drain?

It is owned by the State Highway Agency.