US Bridges

N. Hollywood RD over St. Louis Canal

FairPosted for load

Terrebonne Parish, Louisiana · 0.8 MI E of LA 24 · Structure no. 025529365904381

Built
1986
39 years old
Condition
Fair
inspected May 2023
Type
Slab
Concrete
Length
76 ft
4 main spans
Daily traffic
8,236
2022 count
Owner
County
County Highway Agency

About this bridge

N. Hollywood RD over St. Louis Canal is a concrete slab carrying N. Hollywood RD over St. Louis Canal in Terrebonne Parish, Louisiana. It was built in 1986, so it is 39 years old, younger 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. Its operating status is: posted for load restriction.

It carries about 8,236 vehicles a day, projected to reach 9,059 by 2042. The structure is 76 ft (23.2 m) long and 22 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

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CarriesN. Hollywood RD
CrossesSt. Louis Canal
Location0.8 MI E of LA 24
RouteCounty Highway 0
CountyTerrebonne Parish
StateLouisiana
Coordinates29.61151, -90.73047
Functional classRural Local

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.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating26.8 US tons
Inventory rating20.7 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans4
Design loadH 10
Structure length76 ft (23.2 m)
Longest span19 ft (5.8 m)
Deck width22 ft (6.8 m)
Roadway width21 ft (6.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8,236 (2022)
Projected traffic9,059 by 2042
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was N. Hollywood RD over St. Louis Canal built?

It was built in 1986, making it 39 years old in 2025.

What condition is N. Hollywood RD over St. Louis Canal 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 May 2023.

How much traffic does N. Hollywood RD over St. Louis Canal carry?

About 8,236 vehicles per day (2022 count).

How long is N. Hollywood RD over St. Louis Canal?

The structure is 76 ft (23.2 m) long with a longest span of 19 ft (5.8 m) and a deck 22 ft wide.

Who owns N. Hollywood RD over St. Louis Canal?

It is owned by the County Highway Agency.