US Bridges

I0049 over Cottonwood Bayou

Good

Caddo Parish, Louisiana · 0.63 M. N. of LA 173 · Structure no. 040900000040356

Built
2013
12 years old
Condition
Good
inspected May 2024
Type
Culvert
Concrete
Length
26 ft
4 main spans
Daily traffic
29,542
2021 count
Owner
State
State Highway Agency

About this bridge

I0049 over Cottonwood Bayou is a concrete culvert carrying I0049 over Cottonwood 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 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 29,542 vehicles a day, roughly 36% of them trucks, projected to reach 32,496 by 2041. The structure is 26 ft (7.9 m) long and 241 ft wide. If it were closed, the detour would be 8.7 mi (14 km).

Location

Open in Google Maps
CarriesI0049
CrossesCottonwood Bayou
Location0.63 M. N. of LA 173
RouteInterstate 49
CountyCaddo Parish
StateLouisiana
Coordinates32.68682, -93.85494
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 evaluation7: Better than present minimum 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 length26 ft (7.9 m)
Longest span5 ft (1.5 m)
Deck width241 ft (73.5 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic29,542 (2021)
Projected traffic32,496 by 2041
Trucks36%
Lanes on structure4
Traffic directionTwo-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 Cottonwood Bayou built?

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

What condition is I0049 over Cottonwood 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 May 2024.

How much traffic does I0049 over Cottonwood Bayou carry?

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

How long is I0049 over Cottonwood Bayou?

The structure is 26 ft (7.9 m) long with a longest span of 5 ft (1.5 m) and a deck 241 ft wide.

Who owns I0049 over Cottonwood Bayou?

It is owned by the State Highway Agency.