US Bridges

LA3046 over LA Sou/Kcs RR & Claiborn

Fair

Jefferson Parish, Louisiana · 0.8 MI N of US 90 · Structure no. 022604230100816

Built
1957
68 years old
Condition
Fair
inspected June 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
580 ft
10 main spans
Daily traffic
6,768
2021 count
Owner
State
State Highway Agency

About this bridge

LA3046 over LA Sou/Kcs RR & Claiborn is a steel stringer/multi-beam or girder carrying LA3046 over LA Sou/Kcs RR & Claiborn 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 fair condition with a lowest component rating of 5 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 6,768 vehicles a day, roughly 10% of them trucks, projected to reach 7,444 by 2041. The structure is 580 ft (176.8 m) long and 28 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesLA3046
CrossesLA Sou/Kcs RR & Claiborn
Location0.8 MI N of US 90
RouteState Highway 3046
CountyJefferson Parish
StateLouisiana
Coordinates29.97421, -90.1566
Functional classUrban Other Principal Arterial

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

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.
Substructure7 GoodSome minor problems.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating58 US tons
Inventory rating35.1 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans10
Design loadHS 20
Structure length580 ft (176.8 m)
Longest span79 ft (24.1 m)
Deck width28 ft (8.5 m)
Roadway width22 ft (6.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,768 (2021)
Projected traffic7,444 by 2041
Trucks10%
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway and railroad
Detour if closed1.2 mi (2 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 proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was LA3046 over LA Sou/Kcs RR & Claiborn built?

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

What condition is LA3046 over LA Sou/Kcs RR & Claiborn 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 June 2023.

How much traffic does LA3046 over LA Sou/Kcs RR & Claiborn carry?

About 6,768 vehicles per day (2021 count), of which roughly 10% are trucks.

How long is LA3046 over LA Sou/Kcs RR & Claiborn?

The structure is 580 ft (176.8 m) long with a longest span of 79 ft (24.1 m) and a deck 28 ft wide.

Who owns LA3046 over LA Sou/Kcs RR & Claiborn?

It is owned by the State Highway Agency.