US Bridges

I0012 over Ponchatoula Creek

Good

Tangipahoa Parish, Louisiana · I0010 · Structure no. 625304540307282

Built
1975
50 years old
Condition
Good
inspected February 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
260 ft
4 main spans
Daily traffic
21,736
2021 count
Owner
State
State Highway Agency

About this bridge

I0012 over Ponchatoula Creek is a prestressed concrete stringer/multi-beam or girder carrying I0012 over Ponchatoula Creek in Tangipahoa Parish, Louisiana. It was built in 1975, so it is 50 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 21,736 vehicles a day, roughly 26% of them trucks, projected to reach 23,909 by 2041. The structure is 260 ft (79.2 m) long and 43 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesI0012
CrossesPonchatoula Creek
LocationI0010
RouteInterstate 12
Coordinates30.47908, -90.4346
Functional classUrban Principal Arterial - Interstate

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.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionFebruary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation8: Equal to present desirable criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating94 US tons
Inventory rating47 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length260 ft (79.2 m)
Longest span65 ft (19.8 m)
Deck width43 ft (13 m)
Roadway width39 ft (11.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic21,736 (2021)
Projected traffic23,909 by 2041
Trucks26%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

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 I0012 over Ponchatoula Creek built?

It was built in 1975, making it 50 years old in 2025.

What condition is I0012 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 February 2023.

How much traffic does I0012 over Ponchatoula Creek carry?

About 21,736 vehicles per day (2021 count), of which roughly 26% are trucks.

How long is I0012 over Ponchatoula Creek?

The structure is 260 ft (79.2 m) long with a longest span of 65 ft (19.8 m) and a deck 43 ft wide.

Who owns I0012 over Ponchatoula Creek?

It is owned by the State Highway Agency.