US Bridges

LA0384 over Icww-Sweet/Grand Lake

FairPosted for load

Cameron Parish, Louisiana · 0.9 Mi. W of Int LA 385 · Structure no. 071201953000931

Built
1964
61 years old
Condition
Fair
inspected June 2024
Type
Movable - Swing
Steel
Length
421 ft
1 main span
Daily traffic
1,349
2023 count
Owner
State
State Highway Agency

About this bridge

LA0384 over Icww-Sweet/Grand Lake is a steel movable - swing carrying LA0384 over Icww-Sweet/Grand Lake in Cameron Parish, Louisiana. It was built in 1964, so it is 61 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 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. Its operating status is: posted for load restriction.

It carries about 1,349 vehicles a day, roughly 17% of them trucks, projected to reach 1,483 by 2043. The structure is 421 ft (128.3 m) long and 28 ft wide. If it were closed, the detour would be 29.8 mi (48 km).

CarriesLA0384
CrossesIcww-Sweet/Grand Lake
Location0.9 Mi. W of Int LA 385
RouteState Highway 384
Coordinates30.01089, -93.2274
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.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
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 rating35.1 US tons
Inventory rating17 US tons

Structure

Structure typeMovable - Swing
MaterialSteel
DeckConcrete, cast-in-place
Main spans1 (+12 approach)
Design loadH 15
Structure length421 ft (128.3 m)
Longest span150 ft (45.7 m)
Deck width28 ft (8.6 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,349 (2023)
Projected traffic1,483 by 2043
Trucks17%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed29.8 mi (48 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusEligible for the National Register of Historic Places
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$1.8 million
NavigationNavigation control on waterway (bridge permit required)

Frequently asked questions

When was LA0384 over Icww-Sweet/Grand Lake built?

It was built in 1964, making it 61 years old in 2025.

What condition is LA0384 over Icww-Sweet/Grand Lake 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 June 2024.

How much traffic does LA0384 over Icww-Sweet/Grand Lake carry?

About 1,349 vehicles per day (2023 count), of which roughly 17% are trucks.

How long is LA0384 over Icww-Sweet/Grand Lake?

The structure is 421 ft (128.3 m) long with a longest span of 150 ft (45.7 m) and a deck 28 ft wide.

Who owns LA0384 over Icww-Sweet/Grand Lake?

It is owned by the State Highway Agency.