Demosthene RD over Coulee
GoodVermilion Parish, Louisiana · 1 MI E of Olias RD · Structure no. 035729552920081
- Built
- 1986
- 39 years old
- Condition
- Good
- inspected September 2023
- Type
- Slab
- Concrete
- Length
- 57 ft
- 3 main spans
- Daily traffic
- 135
- 2021 count
- Owner
- County
- County Highway Agency
About this bridge
Demosthene RD over Coulee is a concrete slab carrying Demosthene RD over Coulee in Vermilion Parish, Louisiana. It was built in 1986, so it is 39 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 135 vehicles a day, projected to reach 148 by 2041. The structure is 57 ft (17.4 m) long and 27 ft wide. If it were closed, the detour would be 3.1 mi (5 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 |
|---|---|---|
| Deck | 7 Good | Some minor problems. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 7 Good | Some minor problems. |
| Channel and channel protection | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Demosthene RD over Coulee built?
It was built in 1986, making it 39 years old in 2025.
What condition is Demosthene RD over Coulee 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 September 2023.
How much traffic does Demosthene RD over Coulee carry?
About 135 vehicles per day (2021 count).
How long is Demosthene RD over Coulee?
The structure is 57 ft (17.4 m) long with a longest span of 19 ft (5.8 m) and a deck 27 ft wide.
Who owns Demosthene RD over Coulee?
It is owned by the County Highway Agency.