US Bridges

Orleans Ave over Bayou Saint John

Poor

Orleans Parish, Louisiana · 0.01MI.E of N. Jeff.D · Structure no. 023629585900541

Built
1964
61 years old
Condition
Poor
inspected May 2023
Type
Slab
Concrete
Length
76 ft
4 main spans
Daily traffic
—
2016 count
Owner
City
City or Municipal Highway Agency

About this bridge

Orleans Ave over Bayou Saint John is a concrete slab carrying Orleans Ave over Bayou Saint John in Orleans Parish, Louisiana. It was built in 1964, so it is 61 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.

No traffic count is recorded. The structure is 76 ft (23.2 m) long and 36 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesOrleans Ave
CrossesBayou Saint John
Location0.01MI.E of N. Jeff.D
RouteCounty Highway 0
Coordinates29.97583, -90.0905
Functional classUrban 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.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating31.7 US tons
Inventory rating24.7 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length76 ft (23.2 m)
Longest span19 ft (5.8 m)
Deck width36 ft (11 m)
Roadway width29 ft (8.7 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$279,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Orleans Ave over Bayou Saint John built?

It was built in 1964, making it 61 years old in 2025.

What condition is Orleans Ave over Bayou Saint John 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 May 2023.

How much traffic does Orleans Ave over Bayou Saint John carry?

No traffic count is recorded for this structure.

How long is Orleans Ave over Bayou Saint John?

The structure is 76 ft (23.2 m) long with a longest span of 19 ft (5.8 m) and a deck 36 ft wide.

Who owns Orleans Ave over Bayou Saint John?

It is owned by the City or Municipal Highway Agency.