US Bridges

LA3139 over I.C.G. RR

Good

Jefferson Parish, Louisiana · .18 MI South of US 61 · Structure no. 022604300100182

Built
1977
48 years old
Condition
Good
inspected May 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
1,339 ft
14 main spans
Daily traffic
34,781
2021 count
Owner
State
State Highway Agency

About this bridge

LA3139 over I.C.G. RR is a prestressed concrete stringer/multi-beam or girder carrying LA3139 over I.C.G. RR in Jefferson Parish, Louisiana. It was built in 1977, so it is 48 years old, older than the Louisiana average of 43 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 34,781 vehicles a day, roughly 18% of them trucks, projected to reach 38,259 by 2041. The structure is 1,339 ft (408.1 m) long and 33 ft wide.

CarriesLA3139
CrossesI.C.G. RR
Location.18 MI South of US 61
RouteState Highway 3139
Coordinates29.96869, -90.19915
Functional classUrban Principal Arterial - Other Freeway or Expressway

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating97 US tons
Inventory rating39 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans14 (+11 approach)
Design loadHS 20
Structure length1,339 ft (408.1 m)
Longest span81 ft (24.7 m)
Deck width33 ft (10.1 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic34,781 (2021)
Projected traffic38,259 by 2041
Trucks18%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesRailroad and waterway
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 LA3139 over I.C.G. RR built?

It was built in 1977, making it 48 years old in 2025.

What condition is LA3139 over I.C.G. RR in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in May 2024.

How much traffic does LA3139 over I.C.G. RR carry?

About 34,781 vehicles per day (2021 count), of which roughly 18% are trucks.

How long is LA3139 over I.C.G. RR?

The structure is 1,339 ft (408.1 m) long with a longest span of 81 ft (24.7 m) and a deck 33 ft wide.

Who owns LA3139 over I.C.G. RR?

It is owned by the State Highway Agency.