US Bridges

LA0530 over Swift Bayou Canal

Good

Caddo Parish, Louisiana · 5.13 M. E. of LA 538 · Structure no. 040900000040362

Built
2013
12 years old
Condition
Good
inspected January 2025
Type
Culvert
Concrete
Length
34 ft
4 main spans
Daily traffic
177
2021 count
Owner
State
State Highway Agency

About this bridge

LA0530 over Swift Bayou Canal is a concrete culvert carrying LA0530 over Swift Bayou Canal in Caddo Parish, Louisiana. It was built in 2013, so it is 12 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 177 vehicles a day, roughly 19% of them trucks, projected to reach 194 by 2041. The structure is 34 ft (10.4 m) long and 273 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

CarriesLA0530
CrossesSwift Bayou Canal
Location5.13 M. E. of LA 538
RouteState Highway 530
Coordinates32.76837, -93.8901
Functional classRural Major Collector

Condition and inspection

Good

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

ComponentRatingMeaning
Channel and channel protection8 Very GoodNo problems noted.
Culvert8 Very GoodNo problems noted.
Last inspectionJanuary 2025
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating44 US tons
Inventory rating34 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans4
Design loadHS 20
Structure length34 ft (10.4 m)
Longest span7 ft (2.1 m)
Deck width273 ft (83.3 m)
Roadway width65 ft (19.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic177 (2021)
Projected traffic194 by 2041
Trucks19%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.8 mi (11 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 LA0530 over Swift Bayou Canal built?

It was built in 2013, making it 12 years old in 2025.

What condition is LA0530 over Swift Bayou Canal 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 January 2025.

How much traffic does LA0530 over Swift Bayou Canal carry?

About 177 vehicles per day (2021 count), of which roughly 19% are trucks.

How long is LA0530 over Swift Bayou Canal?

The structure is 34 ft (10.4 m) long with a longest span of 7 ft (2.1 m) and a deck 273 ft wide.

Who owns LA0530 over Swift Bayou Canal?

It is owned by the State Highway Agency.