US Bridges

US0051 over Ponchatoula Creek

Good

Tangipahoa Parish, Louisiana · 0.88 Mi. North of LA 1064 · Structure no. 625300170406241

Built
1953
72 years old
Condition
Good
inspected March 2023
Type
Slab
Concrete
Length
100 ft
5 main spans
Daily traffic
6,681
2021 count
Owner
State
State Highway Agency

About this bridge

US0051 over Ponchatoula Creek is a concrete slab carrying US0051 over Ponchatoula Creek in Tangipahoa Parish, Louisiana. It was built in 1953, so it is 72 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 6,681 vehicles a day, roughly 8% of them trucks, projected to reach 7,349 by 2041. The structure is 100 ft (30.5 m) long and 33 ft wide.

Location

Open in Google Maps
CarriesUS0051
CrossesPonchatoula Creek
Location0.88 Mi. North of LA 1064
RouteU.S. Route 51
CountyTangipahoa Parish
StateLouisiana
Coordinates30.56099, -90.4825
Functional classUrban Minor Arterial

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.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 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 geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating37 US tons
Inventory rating22 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans5
Design loadHS 20
Structure length100 ft (30.5 m)
Longest span20 ft (6.1 m)
Deck width33 ft (10.1 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,681 (2021)
Projected traffic7,349 by 2041
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
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$498,000
NavigationNo navigation control on waterway

Frequently asked questions

When was US0051 over Ponchatoula Creek built?

It was built in 1953, making it 72 years old in 2025.

What condition is US0051 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 March 2023.

How much traffic does US0051 over Ponchatoula Creek carry?

About 6,681 vehicles per day (2021 count), of which roughly 8% are trucks.

How long is US0051 over Ponchatoula Creek?

The structure is 100 ft (30.5 m) long with a longest span of 20 ft (6.1 m) and a deck 33 ft wide.

Who owns US0051 over Ponchatoula Creek?

It is owned by the State Highway Agency.