US Bridges

Harvey Blvd over Trapp Canal

Fair

Jefferson Parish, Louisiana · 0.45 Mi. E. of Manhattan · Structure no. 022629519900121

Built
1984
41 years old
Condition
Fair
inspected February 2023
Type
Slab
Concrete
Length
171 ft
9 main spans
Daily traffic
6,000
1989 count
Owner
County
County Highway Agency

About this bridge

Harvey Blvd over Trapp Canal is a concrete slab carrying Harvey Blvd over Trapp Canal in Jefferson Parish, Louisiana. It was built in 1984, so it is 41 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.

It carries about 6,000 vehicles a day, projected to reach 6,600 by 2009. The structure is 171 ft (52.1 m) long and 35 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesHarvey Blvd
CrossesTrapp Canal
Location0.45 Mi. E. of Manhattan
RouteCounty Highway 0
CountyJefferson Parish
StateLouisiana
Coordinates29.86119, -90.03966
Functional classUrban 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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionFebruary 2023
Inspection intervalevery 24 months
Operating statusOpen, no 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 adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating26.8 US tons
Inventory rating20.7 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, precast panels
Main spans9
Design loadHS 20
Structure length171 ft (52.1 m)
Longest span19 ft (5.8 m)
Deck width35 ft (10.7 m)
Roadway width29 ft (8.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,000 (1989)
Projected traffic6,600 by 2009
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.2 mi (2 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Harvey Blvd over Trapp Canal built?

It was built in 1984, making it 41 years old in 2025.

What condition is Harvey Blvd over Trapp 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 February 2023.

How much traffic does Harvey Blvd over Trapp Canal carry?

About 6,000 vehicles per day (1989 count).

How long is Harvey Blvd over Trapp Canal?

The structure is 171 ft (52.1 m) long with a longest span of 19 ft (5.8 m) and a deck 35 ft wide.

Who owns Harvey Blvd over Trapp Canal?

It is owned by the County Highway Agency.