US Bridges

LA0082 over Superior Canal

PoorPosted for load

Cameron Parish, Louisiana · 27.0 MI E of LA 27 · Structure no. 071201940221101

Built
1956
69 years old
Condition
Poor
inspected July 2024
Type
Movable - Swing
Steel
Length
589 ft
1 main span
Daily traffic
847
2023 count
Owner
State
State Highway Agency

About this bridge

LA0082 over Superior Canal is a steel movable - swing carrying LA0082 over Superior Canal in Cameron Parish, Louisiana. It was built in 1956, so it is 69 years old, older than the Louisiana average of 43 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 3 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: posted for load restriction.

It carries about 847 vehicles a day, roughly 17% of them trucks, projected to reach 931 by 2043. The structure is 589 ft (179.5 m) long and 28 ft wide. If it were closed, the detour would be 26.7 mi (43 km).

CarriesLA0082
CrossesSuperior Canal
Location27.0 MI E of LA 27
RouteState Highway 82
Coordinates29.70684, -92.6762
Functional classRural Major Collector

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck4 PoorAdvanced section loss, deterioration, spalling or scour.
Superstructure3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2024
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation2: Basically intolerable, requiring high priority of replacement
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating17.2 US tons
Inventory rating13.2 US tons

Structure

Structure typeMovable - Swing
MaterialSteel
DeckConcrete, cast-in-place
Main spans1 (+18 approach)
Design loadH 15
Structure length589 ft (179.5 m)
Longest span209 ft (63.7 m)
Deck width28 ft (8.4 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deck15 ft (4.6 m)

Traffic and service

Average daily traffic847 (2023)
Projected traffic931 by 2043
Trucks17%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed26.7 mi (43 km)
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$2.4 million
NavigationNavigation control on waterway (bridge permit required)

Frequently asked questions

When was LA0082 over Superior Canal built?

It was built in 1956, making it 69 years old in 2025.

What condition is LA0082 over Superior Canal in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in July 2024.

How much traffic does LA0082 over Superior Canal carry?

About 847 vehicles per day (2023 count), of which roughly 17% are trucks.

How long is LA0082 over Superior Canal?

The structure is 589 ft (179.5 m) long with a longest span of 209 ft (63.7 m) and a deck 28 ft wide.

Who owns LA0082 over Superior Canal?

It is owned by the State Highway Agency.