US Bridges

LA0443 over Tangipahoa River

Good

Tangipahoa Parish, Louisiana · 1.0 Mi. NE of La. 1064 · Structure no. 625300000620317

Built
2017
8 years old
Condition
Good
inspected March 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
368 ft
7 main spans
Daily traffic
6,478
2021 count
Owner
State
State Highway Agency

About this bridge

LA0443 over Tangipahoa River is a prestressed concrete continuous stringer/multi-beam or girder carrying LA0443 over Tangipahoa River in Tangipahoa Parish, Louisiana. It was built in 2017, so it is 8 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 6,478 vehicles a day, roughly 12% of them trucks, projected to reach 7,125 by 2041. The structure is 368 ft (112.2 m) long and 34 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesLA0443
CrossesTangipahoa River
Location1.0 Mi. NE of La. 1064
RouteState Highway 443
Coordinates30.56949, -90.40065
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating79.7 US tons
Inventory rating57.1 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans7
Design loadGreater than HL 93
Structure length368 ft (112.2 m)
Longest span72 ft (21.9 m)
Deck width34 ft (10.5 m)
Roadway width31 ft (9.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,478 (2021)
Projected traffic7,125 by 2041
Trucks12%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 LA0443 over Tangipahoa River built?

It was built in 2017, making it 8 years old in 2025.

What condition is LA0443 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 March 2023.

How much traffic does LA0443 over Tangipahoa River carry?

About 6,478 vehicles per day (2021 count), of which roughly 12% are trucks.

How long is LA0443 over Tangipahoa River?

The structure is 368 ft (112.2 m) long with a longest span of 72 ft (21.9 m) and a deck 34 ft wide.

Who owns LA0443 over Tangipahoa River?

It is owned by the State Highway Agency.