I0049 over Cow Bayou
GoodNatchitoches Parish, Louisiana · 1.1 MI North of LA 485 · Structure no. 083504550640991
- Built
- 1987
- 38 years old
- Condition
- Good
- inspected May 2024
- Type
- Culvert
- Concrete
- Length
- 28 ft
- 3 main spans
- Daily traffic
- 16,334
- 2021 count
- Owner
- State
- State Highway Agency
About this bridge
I0049 over Cow Bayou is a concrete culvert carrying I0049 over Cow Bayou in Natchitoches Parish, Louisiana. It was built in 1987, so it is 38 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 16,334 vehicles a day, roughly 30% of them trucks, projected to reach 17,967 by 2041. The structure is 28 ft (8.5 m) long and 254 ft wide. If it were closed, the detour would be 14.9 mi (24 km).
Location
Open in Google MapsCondition and inspection
All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
| Component | Rating | Meaning |
|---|---|---|
| Channel and channel protection | 7 Good | Some minor problems. |
| Culvert | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was I0049 over Cow Bayou built?
It was built in 1987, making it 38 years old in 2025.
What condition is I0049 over Cow 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 Cow Bayou carry?
About 16,334 vehicles per day (2021 count), of which roughly 30% are trucks.
How long is I0049 over Cow Bayou?
The structure is 28 ft (8.5 m) long with a longest span of 7 ft (2.1 m) and a deck 254 ft wide.
Who owns I0049 over Cow Bayou?
It is owned by the State Highway Agency.