US Bridges

LA3134 over LA45;LA303;ICWW

Fair

Jefferson Parish, Louisiana · .3 MI South of LA 301 · Structure no. 022604290207501

Built
1976
49 years old
Condition
Fair
inspected September 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
4,624 ft
3 main spans
Daily traffic
7,042
2016 count
Owner
State
State Highway Agency

About this bridge

LA3134 over LA45;LA303;ICWW is a steel stringer/multi-beam or girder carrying LA3134 over LA45;LA303;ICWW 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 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 7,042 vehicles a day, roughly 20% of them trucks, projected to reach 7,746 by 2036. The structure is 4,624 ft (1,409.4 m) long and 43 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

Location

Open in Google Maps
CarriesLA3134
CrossesLA45;LA303;ICWW
Location.3 MI South of LA 301
RouteState Highway 3134
CountyJefferson Parish
StateLouisiana
Coordinates29.75557, -90.1001
Functional classRural Minor 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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating39.7 US tons
Inventory rating27.4 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans3 (+54 approach)
Design loadHS 20
Structure length4,624 ft (1,409.4 m)
Longest span220 ft (67.1 m)
Deck width43 ft (13.2 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,042 (2016)
Projected traffic7,746 by 2036
Trucks20%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway and waterway
Detour if closed98.8 mi (159 km)
TollOn a free road
National Highway SystemNo

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—
NavigationNavigation control on waterway (bridge permit required)

Frequently asked questions

When was LA3134 over LA45;LA303;ICWW built?

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

What condition is LA3134 over LA45;LA303;ICWW 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 September 2023.

How much traffic does LA3134 over LA45;LA303;ICWW carry?

About 7,042 vehicles per day (2016 count), of which roughly 20% are trucks.

How long is LA3134 over LA45;LA303;ICWW?

The structure is 4,624 ft (1,409.4 m) long with a longest span of 220 ft (67.1 m) and a deck 43 ft wide.

Who owns LA3134 over LA45;LA303;ICWW?

It is owned by the State Highway Agency.