US Bridges

I0012 over Canal&bike Trail

Good

St. Tammany Parish, Louisiana · 0.2 M W of LA 59 · Structure no. 625204540412602

Built
1976
49 years old
Condition
Good
inspected August 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
426 ft
7 main spans
Daily traffic
29,236
2021 count
Owner
State
State Highway Agency

About this bridge

I0012 over Canal&bike Trail is a prestressed concrete stringer/multi-beam or girder carrying I0012 over Canal&bike Trail 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 29,236 vehicles a day, roughly 26% of them trucks, projected to reach 32,159 by 2041. The structure is 426 ft (129.8 m) long and 68 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesI0012
CrossesCanal&bike Trail
Location0.2 M W of LA 59
RouteInterstate 12
CountySt. Tammany Parish
StateLouisiana
Coordinates30.41567, -90.04451
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 protection8 Very GoodNo problems noted.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating65.4 US tons
Inventory rating38.9 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans7
Design loadHS 20
Structure length426 ft (129.8 m)
Longest span70 ft (21.3 m)
Deck width68 ft (20.7 m)
Roadway width66 ft (20 m)
Vertical clearance over deck23 ft (7.1 m)

Traffic and service

Average daily traffic29,236 (2021)
Projected traffic32,159 by 2041
Trucks26%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway
CrossesOther
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—
NavigationNo navigation control on waterway

Frequently asked questions

When was I0012 over Canal&bike Trail built?

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

What condition is I0012 over Canal&bike Trail 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 Trail carry?

About 29,236 vehicles per day (2021 count), of which roughly 26% are trucks.

How long is I0012 over Canal&bike Trail?

The structure is 426 ft (129.8 m) long with a longest span of 70 ft (21.3 m) and a deck 68 ft wide.

Who owns I0012 over Canal&bike Trail?

It is owned by the State Highway Agency.