US Bridges

I0012 over Canal & Bike TR

Good

St. Tammany Parish, Louisiana · 0.1 M W of LA 59 · Structure no. 625204540412601

Built
1976
49 years old
Condition
Good
inspected August 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
401 ft
6 main spans
Daily traffic
33,650
2016 count
Owner
State
State Highway Agency

About this bridge

I0012 over Canal & Bike TR is a prestressed concrete stringer/multi-beam or girder carrying I0012 over Canal & Bike TR in St. Tammany 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 33,650 vehicles a day, roughly 26% of them trucks, projected to reach 37,015 by 2036. The structure is 401 ft (122.2 m) long and 43 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesI0012
CrossesCanal & Bike TR
Location0.1 M W of LA 59
RouteInterstate 12
Coordinates30.416, -90.0457
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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating56.4 US tons
Inventory rating31.7 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans6
Design loadHS 20
Structure length401 ft (122.2 m)
Longest span70 ft (21.3 m)
Deck width43 ft (13 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deck23 ft (7.1 m)

Traffic and service

Average daily traffic33,650 (2016)
Projected traffic37,015 by 2036
Trucks26%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesRailroad and waterway
Detour if closed1.2 mi (2 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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was I0012 over Canal & Bike TR built?

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

What condition is I0012 over Canal & Bike TR 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 August 2023.

How much traffic does I0012 over Canal & Bike TR carry?

About 33,650 vehicles per day (2016 count), of which roughly 26% are trucks.

How long is I0012 over Canal & Bike TR?

The structure is 401 ft (122.2 m) long with a longest span of 70 ft (21.3 m) and a deck 43 ft wide.

Who owns I0012 over Canal & Bike TR?

It is owned by the State Highway Agency.