US Bridges

LA0449 over Drain

Fair

St. Helena Parish, Louisiana · 3.0 M S of LA 16 · Structure no. 624602710201381

Built
1966
59 years old
Condition
Fair
inspected October 2024
Type
Slab
Concrete
Length
60 ft
3 main spans
Daily traffic
1,467
2021 count
Owner
State
State Highway Agency

About this bridge

LA0449 over Drain is a concrete slab carrying LA0449 over Drain in St. Helena Parish, Louisiana. It was built in 1966, so it is 59 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 1,467 vehicles a day, roughly 12% of them trucks, projected to reach 1,613 by 2041. The structure is 60 ft (18.3 m) long and 29 ft wide.

CarriesLA0449
CrossesDrain
Location3.0 M S of LA 16
RouteState Highway 449
Coordinates30.66756, -90.771
Functional classRural Major Collector

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 inspectionOctober 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 alignment8: Equal to present desirable criteria
Operating rating56 US tons
Inventory rating34 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length60 ft (18.3 m)
Longest span20 ft (6.1 m)
Deck width29 ft (8.8 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,467 (2021)
Projected traffic1,613 by 2041
Trucks12%
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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was LA0449 over Drain built?

It was built in 1966, making it 59 years old in 2025.

What condition is LA0449 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 October 2024.

How much traffic does LA0449 over Drain carry?

About 1,467 vehicles per day (2021 count), of which roughly 12% are trucks.

How long is LA0449 over Drain?

The structure is 60 ft (18.3 m) long with a longest span of 20 ft (6.1 m) and a deck 29 ft wide.

Who owns LA0449 over Drain?

It is owned by the State Highway Agency.