US Bridges

Mary Beth Ave over Hollywood Canal

PoorPosted for load

Lafourche Parish, Louisiana · 0.6 MI N. of LA 316 · Structure no. 022929403904231

Built
1968
57 years old
Condition
Poor
inspected June 2024
Type
Slab
Concrete
Length
71 ft
3 main spans
Daily traffic
411
2020 count
Owner
County
County Highway Agency

About this bridge

Mary Beth Ave over Hollywood Canal is a concrete slab carrying Mary Beth Ave over Hollywood Canal in Lafourche Parish, Louisiana. It was built in 1968, so it is 57 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 411 vehicles a day, projected to reach 452 by 2040. The structure is 71 ft (21.6 m) long and 20 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

CarriesMary Beth Ave
CrossesHollywood Canal
Location0.6 MI N. of LA 316
RouteCounty Highway 0
Coordinates29.67354, -90.70536
Functional classRural Local

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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2024
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating50.7 US tons
Inventory rating40.7 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length71 ft (21.6 m)
Longest span19 ft (5.8 m)
Deck width20 ft (6 m)
Roadway width18 ft (5.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic411 (2020)
Projected traffic452 by 2040
Trucks—
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

OwnerCounty Highway Agency
Maintained byCounty 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$261,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Mary Beth Ave over Hollywood Canal built?

It was built in 1968, making it 57 years old in 2025.

What condition is Mary Beth Ave over Hollywood 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 June 2024.

How much traffic does Mary Beth Ave over Hollywood Canal carry?

About 411 vehicles per day (2020 count).

How long is Mary Beth Ave over Hollywood Canal?

The structure is 71 ft (21.6 m) long with a longest span of 19 ft (5.8 m) and a deck 20 ft wide.

Who owns Mary Beth Ave over Hollywood Canal?

It is owned by the County Highway Agency.