US Bridges

LA0440 over Tangipahoa River

Good

Tangipahoa Parish, Louisiana · 0.90 Miles East of US 51 · Structure no. 625302760300901

Built
2006
19 years old
Condition
Good
inspected May 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
1,500 ft
7 main spans
Daily traffic
2,470
2021 count
Owner
State
State Highway Agency

About this bridge

LA0440 over Tangipahoa River is a prestressed concrete continuous stringer/multi-beam or girder carrying LA0440 over Tangipahoa River in Tangipahoa Parish, Louisiana. It was built in 2006, so it is 19 years old, younger 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 1,500 ft (457.2 m) long and 43 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

CarriesLA0440
CrossesTangipahoa River
Location0.90 Miles East of US 51
RouteState Highway 440
Coordinates30.87571, -90.4966
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.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating62.2 US tons
Inventory rating31.4 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans7
Design loadHS 20
Structure length1,500 ft (457.2 m)
Longest span225 ft (68.6 m)
Deck width43 ft (13 m)
Roadway width40 ft (12.2 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
CrossesWaterway
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—
NavigationNo navigation control on waterway

Frequently asked questions

When was LA0440 over Tangipahoa River built?

It was built in 2006, making it 19 years old in 2025.

What condition is LA0440 over Tangipahoa River 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 2023.

How much traffic does LA0440 over Tangipahoa River carry?

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

How long is LA0440 over Tangipahoa River?

The structure is 1,500 ft (457.2 m) long with a longest span of 225 ft (68.6 m) and a deck 43 ft wide.

Who owns LA0440 over Tangipahoa River?

It is owned by the State Highway Agency.