US Bridges

LA0302 over Bayou Barataria

PoorPosted for load

Jefferson Parish, Louisiana · .07 MI East of LA 3257 · Structure no. 022608263900071

Built
1948
77 years old
Condition
Poor
inspected December 2024
Type
Movable - Swing
Steel
Length
522 ft
1 main span
Daily traffic
1,254
2021 count
Owner
State
State Highway Agency

About this bridge

LA0302 over Bayou Barataria is a steel movable - swing carrying LA0302 over Bayou Barataria in Jefferson Parish, Louisiana. It was built in 1948, so it is 77 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 1,254 vehicles a day, roughly 5% of them trucks, projected to reach 1,379 by 2041. The structure is 522 ft (159.1 m) long and 29 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

CarriesLA0302
CrossesBayou Barataria
Location.07 MI East of LA 3257
RouteState Highway 302
Coordinates29.73291, -90.1283
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
Channel and channel protection7 GoodSome minor problems.
Last inspectionDecember 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 alignment7: Better than present minimum criteria
Operating rating37 US tons
Inventory rating12 US tons

Structure

Structure typeMovable - Swing
MaterialSteel
DeckWood or timber
Main spans1 (+13 approach)
Design loadH 15
Structure length522 ft (159.1 m)
Longest span208 ft (63.4 m)
Deck width29 ft (8.8 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,254 (2021)
Projected traffic1,379 by 2041
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed98.8 mi (159 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$2.1 million
NavigationNavigation control on waterway (bridge permit required)

Frequently asked questions

When was LA0302 over Bayou Barataria built?

It was built in 1948, making it 77 years old in 2025.

What condition is LA0302 over Bayou Barataria 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 December 2024.

How much traffic does LA0302 over Bayou Barataria carry?

About 1,254 vehicles per day (2021 count), of which roughly 5% are trucks.

How long is LA0302 over Bayou Barataria?

The structure is 522 ft (159.1 m) long with a longest span of 208 ft (63.4 m) and a deck 29 ft wide.

Who owns LA0302 over Bayou Barataria?

It is owned by the State Highway Agency.