US Bridges

Morrison RD over Saint Charles Canal

PoorPosted for load

Orleans Parish, Louisiana · 0.5 M E. of New Castle · Structure no. 023630018900052

Built
1960
65 years old
Condition
Poor
inspected February 2023
Type
Slab
Concrete
Length
171 ft
9 main spans
Daily traffic
—
2016 count
Owner
City
City or Municipal Highway Agency

About this bridge

Morrison RD over Saint Charles Canal is a concrete slab carrying Morrison RD over Saint Charles Canal in Orleans Parish, Louisiana. It was built in 1960, so it is 65 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 4 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.

No traffic count is recorded. 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

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CarriesMorrison RD
CrossesSaint Charles Canal
Location0.5 M E. of New Castle
RouteCounty Highway 0
CountyOrleans Parish
StateLouisiana
Coordinates30.03108, -90.00889
Functional classUrban Minor Arterial

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.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionFebruary 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourUnknown foundation; not evaluated for scour
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 alignment8: Equal to present desirable criteria
Operating rating24.3 US tons
Inventory rating19 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 (10.8 m)
Roadway width24 ft (7.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic—
Projected traffic—
Trucks—
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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$547,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Morrison RD over Saint Charles Canal built?

It was built in 1960, making it 65 years old in 2025.

What condition is Morrison RD over Saint Charles 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 February 2023.

How much traffic does Morrison RD over Saint Charles Canal carry?

No traffic count is recorded for this structure.

How long is Morrison RD over Saint Charles 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 Morrison RD over Saint Charles Canal?

It is owned by the City or Municipal Highway Agency.