US Bridges

LA0046 over No Public Belt R/R

Poor

Orleans Parish, Louisiana · 2.21 MI South of LA 39 · Structure no. 023600460202211

Built
1960
65 years old
Condition
Poor
inspected June 2023
Type
Slab
Concrete
Length
52 ft
3 main spans
Daily traffic
23,049
2021 count
Owner
State
Other State Agency

About this bridge

LA0046 over No Public Belt R/R is a concrete slab carrying LA0046 over No Public Belt R/R 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.

It carries about 23,049 vehicles a day, roughly 10% of them trucks, projected to reach 25,353 by 2041. The structure is 52 ft (15.8 m) long and 60 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesLA0046
CrossesNo Public Belt R/R
Location2.21 MI South of LA 39
RouteState Highway 46
Coordinates29.96413, -90.0288
Functional classUrban Other Principal 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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Approach roadway alignment7: Better than present minimum criteria
Operating rating48.6 US tons
Inventory rating37.5 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length52 ft (15.8 m)
Longest span17 ft (5.2 m)
Deck width60 ft (18.3 m)
Roadway width48 ft (14.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic23,049 (2021)
Projected traffic25,353 by 2041
Trucks10%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesRailroad
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerOther State Agency
Maintained byOther State 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$351,000
NavigationNot applicable (no waterway)

Frequently asked questions

When was LA0046 over No Public Belt R/R built?

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

What condition is LA0046 over No Public Belt R/R 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 2023.

How much traffic does LA0046 over No Public Belt R/R carry?

About 23,049 vehicles per day (2021 count), of which roughly 10% are trucks.

How long is LA0046 over No Public Belt R/R?

The structure is 52 ft (15.8 m) long with a longest span of 17 ft (5.2 m) and a deck 60 ft wide.

Who owns LA0046 over No Public Belt R/R?

It is owned by the Other State Agency.