US Bridges

LA3154 over Icg & KCS RR

Fair

Jefferson Parish, Louisiana · 2.58 MI North of LA 48 · Structure no. 022608264402581

Built
1976
49 years old
Condition
Fair
inspected December 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
1,800 ft
19 main spans
Daily traffic
29,942
2021 count
Owner
State
State Highway Agency

About this bridge

LA3154 over Icg & KCS RR is a prestressed concrete stringer/multi-beam or girder carrying LA3154 over Icg & KCS RR in Jefferson Parish, Louisiana. It was built in 1976, so it is 49 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 6 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 29,942 vehicles a day, roughly 10% of them trucks, projected to reach 32,936 by 2041. The structure is 1,800 ft (548.6 m) long and 66 ft wide.

Location

Open in Google Maps
CarriesLA3154
CrossesIcg & KCS RR
Location2.58 MI North of LA 48
RouteState Highway 3154
CountyJefferson Parish
StateLouisiana
Coordinates29.97115, -90.2046
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating94 US tons
Inventory rating37 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans19 (+15 approach)
Design loadHS 20
Structure length1,800 ft (548.6 m)
Longest span94 ft (28.7 m)
Deck width66 ft (20.1 m)
Roadway width61 ft (18.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic29,942 (2021)
Projected traffic32,936 by 2041
Trucks10%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway, waterway and railroad
Detour if closed—
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 LA3154 over Icg & KCS RR built?

It was built in 1976, making it 49 years old in 2025.

What condition is LA3154 over Icg & KCS RR 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 December 2024.

How much traffic does LA3154 over Icg & KCS RR carry?

About 29,942 vehicles per day (2021 count), of which roughly 10% are trucks.

How long is LA3154 over Icg & KCS RR?

The structure is 1,800 ft (548.6 m) long with a longest span of 94 ft (28.7 m) and a deck 66 ft wide.

Who owns LA3154 over Icg & KCS RR?

It is owned by the State Highway Agency.