US Bridges

LA3046 over R/R City Streets LA 611

Poor

Jefferson Parish, Louisiana · .4 MI North of US 90 · Structure no. 022604230100481

Built
1957
68 years old
Condition
Poor
inspected September 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
2,322 ft
42 main spans
Daily traffic
55,994
2021 count
Owner
State
State Highway Agency

About this bridge

LA3046 over R/R City Streets LA 611 is a steel stringer/multi-beam or girder carrying LA3046 over R/R City Streets LA 611 in Jefferson Parish, Louisiana. It was built in 1957, so it is 68 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 3 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 55,994 vehicles a day, roughly 10% of them trucks, projected to reach 61,593 by 2041. The structure is 2,322 ft (707.7 m) long and 66 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesLA3046
CrossesR/R City Streets LA 611
Location.4 MI North of US 90
RouteState Highway 3046
Coordinates29.96795, -90.1566
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.
Superstructure3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
Substructure7 GoodSome minor problems.
Last inspectionSeptember 2024
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating40.3 US tons
Inventory rating31.1 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans42
Design loadHS 20
Structure length2,322 ft (707.7 m)
Longest span75 ft (22.9 m)
Deck width66 ft (20.1 m)
Roadway width56 ft (17.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic55,994 (2021)
Projected traffic61,593 by 2041
Trucks10%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesOverpass structure at an interchange
CrossesHighway and railroad
Detour if closed5 mi (8 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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$12.7 million
NavigationNot applicable (no waterway)

Frequently asked questions

When was LA3046 over R/R City Streets LA 611 built?

It was built in 1957, making it 68 years old in 2025.

What condition is LA3046 over R/R City Streets LA 611 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 September 2024.

How much traffic does LA3046 over R/R City Streets LA 611 carry?

About 55,994 vehicles per day (2021 count), of which roughly 10% are trucks.

How long is LA3046 over R/R City Streets LA 611?

The structure is 2,322 ft (707.7 m) long with a longest span of 75 ft (22.9 m) and a deck 66 ft wide.

Who owns LA3046 over R/R City Streets LA 611?

It is owned by the State Highway Agency.