US Bridges

LA0063 over I-12

Good

Livingston Parish, Louisiana · LA0063 · Structure no. 623202720204331

Built
1969
56 years old
Condition
Good
inspected April 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
242 ft
4 main spans
Daily traffic
10,015
2021 count
Owner
State
State Highway Agency

About this bridge

LA0063 over I-12 is a prestressed concrete stringer/multi-beam or girder carrying LA0063 over I-12 in Livingston Parish, Louisiana. It was built in 1969, so it is 56 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 10,015 vehicles a day, roughly 9% of them trucks, projected to reach 11,016 by 2041. The structure is 242 ft (73.8 m) long and 33 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesLA0063
CrossesI-12
LocationLA0063
RouteState Highway 63
Coordinates30.47393, -90.7479
Functional classUrban Collector

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.
Substructure8 Very GoodNo problems noted.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than 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 rating92 US tons
Inventory rating42 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length242 ft (73.8 m)
Longest span70 ft (21.3 m)
Deck width33 ft (10.2 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10,015 (2021)
Projected traffic11,016 by 2041
Trucks9%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed6.2 mi (10 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 LA0063 over I-12 built?

It was built in 1969, making it 56 years old in 2025.

What condition is LA0063 over I-12 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 April 2024.

How much traffic does LA0063 over I-12 carry?

About 10,015 vehicles per day (2021 count), of which roughly 9% are trucks.

How long is LA0063 over I-12?

The structure is 242 ft (73.8 m) long with a longest span of 70 ft (21.3 m) and a deck 33 ft wide.

Who owns LA0063 over I-12?

It is owned by the State Highway Agency.