US Bridges

LA0440 over I-55

Good

Tangipahoa Parish, Louisiana · LA0440 · Structure no. 625302760202151

Built
1970
55 years old
Condition
Good
inspected January 2025
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
222 ft
4 main spans
Daily traffic
2,470
2021 count
Owner
State
State Highway Agency

About this bridge

LA0440 over I-55 is a prestressed concrete stringer/multi-beam or girder carrying LA0440 over I-55 in Tangipahoa Parish, Louisiana. It was built in 1970, so it is 55 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 2,470 vehicles a day, roughly 12% of them trucks, projected to reach 2,717 by 2041. The structure is 222 ft (67.7 m) long and 30 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesLA0440
CrossesI-55
LocationLA0440
RouteState Highway 440
CountyTangipahoa Parish
StateLouisiana
Coordinates30.87288, -90.5325
Functional classRural Major Collector

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 inspectionJanuary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Approach roadway alignment8: Equal to present desirable criteria
Operating rating77.1 US tons
Inventory rating35.1 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length222 ft (67.7 m)
Longest span70 ft (21.3 m)
Deck width30 ft (9.1 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,470 (2021)
Projected traffic2,717 by 2041
Trucks12%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.9 mi (3 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$982,000
NavigationNot applicable (no waterway)

Frequently asked questions

When was LA0440 over I-55 built?

It was built in 1970, making it 55 years old in 2025.

What condition is LA0440 over I-55 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 January 2025.

How much traffic does LA0440 over I-55 carry?

About 2,470 vehicles per day (2021 count), of which roughly 12% are trucks.

How long is LA0440 over I-55?

The structure is 222 ft (67.7 m) long with a longest span of 70 ft (21.3 m) and a deck 30 ft wide.

Who owns LA0440 over I-55?

It is owned by the State Highway Agency.