US Bridges

I0049 over Myricks Bayou

Good

Caddo Parish, Louisiana · 1.29 M. N. of LA 169 · Structure no. 040900000040366

Built
2013
12 years old
Condition
Good
inspected February 2025
Type
Slab
Concrete
Length
100 ft
5 main spans
Daily traffic
29,542
2021 count
Owner
State
State Highway Agency

About this bridge

I0049 over Myricks Bayou is a concrete slab carrying I0049 over Myricks Bayou 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 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 29,542 vehicles a day, roughly 36% of them trucks, projected to reach 32,496 by 2041. The structure is 100 ft (30.5 m) long and 43 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesI0049
CrossesMyricks Bayou
Location1.29 M. N. of LA 169
RouteInterstate 49
Coordinates32.7196, -93.8686
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionFebruary 2025
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating55.7 US tons
Inventory rating42.9 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans5
Design loadHL 93
Structure length100 ft (30.5 m)
Longest span20 ft (6.1 m)
Deck width43 ft (13.1 m)
Roadway width40 ft (12.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic29,542 (2021)
Projected traffic32,496 by 2041
Trucks36%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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 Myricks Bayou built?

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

What condition is I0049 over Myricks 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 2025.

How much traffic does I0049 over Myricks Bayou carry?

About 29,542 vehicles per day (2021 count), of which roughly 36% are trucks.

How long is I0049 over Myricks Bayou?

The structure is 100 ft (30.5 m) long with a longest span of 20 ft (6.1 m) and a deck 43 ft wide.

Who owns I0049 over Myricks Bayou?

It is owned by the State Highway Agency.