US Bridges

LA0016 over I-12

Fair

Livingston Parish, Louisiana · LA0016 · Structure no. 623202620112391

Built
1970
55 years old
Condition
Fair
inspected February 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
252 ft
4 main spans
Daily traffic
10,776
2021 count
Owner
State
State Highway Agency

About this bridge

LA0016 over I-12 is a prestressed concrete stringer/multi-beam or girder carrying LA0016 over I-12 in Livingston Parish, Louisiana. It was built in 1970, so it is 55 years old, older than the Louisiana average of 43 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 10,776 vehicles a day, roughly 8% of them trucks, projected to reach 11,853 by 2041. The structure is 252 ft (76.8 m) long and 33 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesLA0016
CrossesI-12
LocationLA0016
RouteState Highway 16
Coordinates30.45706, -90.9467
Functional classUrban Minor Arterial

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure8 Very GoodNo problems noted.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating87 US tons
Inventory rating39 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length252 ft (76.8 m)
Longest span75 ft (22.9 m)
Deck width33 ft (10.2 m)
Roadway width28 ft (8.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10,776 (2021)
Projected traffic11,853 by 2041
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 km)
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 proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was LA0016 over I-12 built?

It was built in 1970, making it 55 years old in 2025.

What condition is LA0016 over I-12 in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in February 2024.

How much traffic does LA0016 over I-12 carry?

About 10,776 vehicles per day (2021 count), of which roughly 8% are trucks.

How long is LA0016 over I-12?

The structure is 252 ft (76.8 m) long with a longest span of 75 ft (22.9 m) and a deck 33 ft wide.

Who owns LA0016 over I-12?

It is owned by the State Highway Agency.