Zwan RD over Coulee
GoodVermilion Parish, Louisiana · 0.1 MI N of LA 14 · Structure no. 035730014923591
- Built
- 1985
- 40 years old
- Condition
- Good
- inspected July 2023
- Type
- Slab
- Concrete
- Length
- 57 ft
- 3 main spans
- Daily traffic
- 58
- 2021 count
- Owner
- County
- County Highway Agency
About this bridge
Zwan RD over Coulee is a concrete slab carrying Zwan RD over Coulee in Vermilion Parish, Louisiana. It was built in 1985, so it is 40 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 58 vehicles a day, projected to reach 63 by 2041. The structure is 57 ft (17.4 m) long and 27 ft wide. If it were closed, the detour would be 1.2 mi (2 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 | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Zwan RD over Coulee built?
It was built in 1985, making it 40 years old in 2025.
What condition is Zwan 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 July 2023.
How much traffic does Zwan RD over Coulee carry?
About 58 vehicles per day (2021 count).
How long is Zwan 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 Zwan RD over Coulee?
It is owned by the County Highway Agency.