US Bridges

LA0523 over Sand Beach Bayou

Good

Caddo Parish, Louisiana · 0.8 MI W of JCT LA 1 · Structure no. 040900000040286

Built
2011
14 years old
Condition
Good
inspected February 2023
Type
Slab
Concrete
Length
180 ft
9 main spans
Daily traffic
10,628
2021 count
Owner
State
State Highway Agency

About this bridge

LA0523 over Sand Beach Bayou is a concrete slab carrying LA0523 over Sand Beach Bayou in Caddo 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 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 10,628 vehicles a day, roughly 8% of them trucks, projected to reach 11,690 by 2041. The structure is 180 ft (54.9 m) long and 73 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

Location

Open in Google Maps
CarriesLA0523
CrossesSand Beach Bayou
Location0.8 MI W of JCT LA 1
RouteState Highway 523
CountyCaddo Parish
StateLouisiana
Coordinates32.40094, -93.7075
Functional classUrban Other Principal 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.
Channel and channel protection7 GoodSome minor problems.
Last inspectionFebruary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.3 US tons
Inventory rating45.7 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans9
Design loadHS 20
Structure length180 ft (54.9 m)
Longest span20 ft (6.1 m)
Deck width73 ft (22.1 m)
Roadway width70 ft (21.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10,628 (2021)
Projected traffic11,690 by 2041
Trucks8%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 km)
TollOn a free road
National Highway SystemYes

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 LA0523 over Sand Beach Bayou built?

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

What condition is LA0523 over Sand Beach Bayou 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 2023.

How much traffic does LA0523 over Sand Beach Bayou carry?

About 10,628 vehicles per day (2021 count), of which roughly 8% are trucks.

How long is LA0523 over Sand Beach Bayou?

The structure is 180 ft (54.9 m) long with a longest span of 20 ft (6.1 m) and a deck 73 ft wide.

Who owns LA0523 over Sand Beach Bayou?

It is owned by the State Highway Agency.