US Bridges

LA0040 over Ponchatoula Creek

Good

Tangipahoa Parish, Louisiana · 0.73 Mi. W of US 51 · Structure no. 625304150203251

Built
1976
49 years old
Condition
Good
inspected April 2023
Type
Culvert
Concrete
Length
29 ft
3 main spans
Daily traffic
8,581
2021 count
Owner
State
State Highway Agency

About this bridge

LA0040 over Ponchatoula Creek is a concrete culvert carrying LA0040 over Ponchatoula Creek in Tangipahoa 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 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 8,581 vehicles a day, roughly 9% of them trucks, projected to reach 9,439 by 2041. The structure is 29 ft (8.8 m) long and 52 ft wide. If it were closed, the detour would be 11.8 mi (19 km).

CarriesLA0040
CrossesPonchatoula Creek
Location0.73 Mi. W of US 51
RouteState Highway 40
Coordinates30.63764, -90.5144
Functional classUrban Collector

Condition and inspection

Good

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

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert7 GoodSome minor problems.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating44 US tons
Inventory rating34 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadHS 20
Structure length29 ft (8.8 m)
Longest span8 ft (2.4 m)
Deck width52 ft (15.8 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8,581 (2021)
Projected traffic9,439 by 2041
Trucks9%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed11.8 mi (19 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$190,000
NavigationNo navigation control on waterway

Frequently asked questions

When was LA0040 over Ponchatoula Creek built?

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

What condition is LA0040 over Ponchatoula Creek 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 April 2023.

How much traffic does LA0040 over Ponchatoula Creek carry?

About 8,581 vehicles per day (2021 count), of which roughly 9% are trucks.

How long is LA0040 over Ponchatoula Creek?

The structure is 29 ft (8.8 m) long with a longest span of 8 ft (2.4 m) and a deck 52 ft wide.

Who owns LA0040 over Ponchatoula Creek?

It is owned by the State Highway Agency.