US Bridges

I0012 over Amite River

Good

Livingston Parish, Louisiana · 2 Miles West of LA 3002 · Structure no. 623200000620268

Built
2011
14 years old
Condition
Good
inspected February 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
2,615 ft
10 main spans
Daily traffic
55,700
2016 count
Owner
State
State Highway Agency

About this bridge

I0012 over Amite River is a prestressed concrete continuous stringer/multi-beam or girder carrying I0012 over Amite River in Livingston Parish, Louisiana. It was built in 2011, so it is 14 years old, younger 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 55,700 vehicles a day, roughly 26% of them trucks, projected to reach 61,270 by 2036. The structure is 2,615 ft (797.1 m) long and 63 ft wide. If it were closed, the detour would be 16.8 mi (27 km).

CarriesI0012
CrossesAmite River
Location2 Miles West of LA 3002
RouteInterstate 12
Coordinates30.44941, -90.97945
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.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionFebruary 2024
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 rating80.4 US tons
Inventory rating48.6 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans10
Design loadHL 93
Structure length2,615 ft (797.1 m)
Longest span309 ft (94.2 m)
Deck width63 ft (19.1 m)
Roadway width60 ft (18.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic55,700 (2016)
Projected traffic61,270 by 2036
Trucks26%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed16.8 mi (27 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 statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was I0012 over Amite River built?

It was built in 2011, making it 14 years old in 2025.

What condition is I0012 over Amite River 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 2024.

How much traffic does I0012 over Amite River carry?

About 55,700 vehicles per day (2016 count), of which roughly 26% are trucks.

How long is I0012 over Amite River?

The structure is 2,615 ft (797.1 m) long with a longest span of 309 ft (94.2 m) and a deck 63 ft wide.

Who owns I0012 over Amite River?

It is owned by the State Highway Agency.