US Bridges

LA0532 over I-20

Good

Webster Parish, Louisiana · 3.8 MI NE of LA 531 · Structure no. 046000000000139

Built
2021
4 years old
Condition
Good
inspected September 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
300 ft
4 main spans
Daily traffic
923
2021 count
Owner
State
State Highway Agency

About this bridge

LA0532 over I-20 is a prestressed concrete continuous stringer/multi-beam or girder carrying LA0532 over I-20 in Webster Parish, Louisiana. It was built in 2021, so it is 4 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 923 vehicles a day, roughly 13% of them trucks, projected to reach 1,015 by 2041. The structure is 300 ft (91.4 m) long and 43 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesLA0532
CrossesI-20
Location3.8 MI NE of LA 531
RouteState Highway 532
Coordinates32.57056, -93.20399
Functional classRural 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.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation8: Equal to present desirable criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating66.8 US tons
Inventory rating44.6 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadGreater than HL 93
Structure length300 ft (91.4 m)
Longest span85 ft (25.9 m)
Deck width43 ft (13.1 m)
Roadway width39 ft (12 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic923 (2021)
Projected traffic1,015 by 2041
Trucks13%
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 LA0532 over I-20 built?

It was built in 2021, making it 4 years old in 2025.

What condition is LA0532 over I-20 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 September 2023.

How much traffic does LA0532 over I-20 carry?

About 923 vehicles per day (2021 count), of which roughly 13% are trucks.

How long is LA0532 over I-20?

The structure is 300 ft (91.4 m) long with a longest span of 85 ft (25.9 m) and a deck 43 ft wide.

Who owns LA0532 over I-20?

It is owned by the State Highway Agency.