US Bridges

LA1026 over I-12

Good

Livingston Parish, Louisiana · 1.8 M E of LA 16 · Structure no. 623208321303071

Built
2006
19 years old
Condition
Good
inspected April 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
400 ft
4 main spans
Daily traffic
9,389
2021 count
Owner
State
State Highway Agency

About this bridge

LA1026 over I-12 is a prestressed concrete continuous stringer/multi-beam or girder carrying LA1026 over I-12 in Livingston Parish, Louisiana. It was built in 2006, so it is 19 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 9,389 vehicles a day, roughly 8% of them trucks, projected to reach 10,327 by 2041. The structure is 400 ft (121.9 m) long and 100 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

CarriesLA1026
CrossesI-12
Location1.8 M E of LA 16
RouteState Highway 1026
Coordinates30.46402, -90.9174
Functional classUrban Minor Arterial

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
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 geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating42.1 US tons
Inventory rating32.5 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length400 ft (121.9 m)
Longest span100 ft (30.5 m)
Deck width100 ft (30.4 m)
Roadway width93 ft (28.2 m)
Vertical clearance over deck17 ft (5.1 m)

Traffic and service

Average daily traffic9,389 (2021)
Projected traffic10,327 by 2041
Trucks8%
Lanes on structure6
Traffic directionTwo-way traffic
CarriesOverpass structure at an interchange
CrossesHighway
Detour if closed98.8 mi (159 km)
TollOn a free road
National Highway SystemNo

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 LA1026 over I-12 built?

It was built in 2006, making it 19 years old in 2025.

What condition is LA1026 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 LA1026 over I-12 carry?

About 9,389 vehicles per day (2021 count), of which roughly 8% are trucks.

How long is LA1026 over I-12?

The structure is 400 ft (121.9 m) long with a longest span of 100 ft (30.5 m) and a deck 100 ft wide.

Who owns LA1026 over I-12?

It is owned by the State Highway Agency.