US Bridges

I0049 over Swift Bayou Canal

Good

Caddo Parish, Louisiana · I-49 / LA 530 Intg. · Structure no. 040900000040352

Built
2013
12 years old
Condition
Good
inspected May 2024
Type
Culvert
Concrete
Length
33 ft
4 main spans
Daily traffic
8,115
2021 count
Owner
State
State Highway Agency

About this bridge

I0049 over Swift Bayou Canal is a concrete culvert carrying I0049 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 8,115 vehicles a day, roughly 36% of them trucks, projected to reach 8,926 by 2041. The structure is 33 ft (10.1 m) long and 156 ft wide. If it were closed, the detour would be 8.7 mi (14 km).

CarriesI0049
CrossesSwift Bayou Canal
LocationI-49 / LA 530 Intg.
RouteInterstate 49
Coordinates32.76993, -93.8873
Functional classRural Principal Arterial - Interstate

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 inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating36.8 US tons
Inventory rating28.2 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans4
Design loadHS 20
Structure length33 ft (10.1 m)
Longest span7 ft (2.1 m)
Deck width156 ft (47.5 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8,115 (2021)
Projected traffic8,926 by 2041
Trucks36%
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.7 mi (14 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

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 I0049 over Swift Bayou Canal built?

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

What condition is I0049 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 May 2024.

How much traffic does I0049 over Swift Bayou Canal carry?

About 8,115 vehicles per day (2021 count), of which roughly 36% are trucks.

How long is I0049 over Swift Bayou Canal?

The structure is 33 ft (10.1 m) long with a longest span of 7 ft (2.1 m) and a deck 156 ft wide.

Who owns I0049 over Swift Bayou Canal?

It is owned by the State Highway Agency.