St. John RD over Isaac Creek
GoodClaiborne Parish, Louisiana · 1.01 MI South of JCT LA 1 · Structure no. 041400000301233
- Built
- 2012
- 13 years old
- Condition
- Good
- inspected October 2023
- Type
- Culvert
- Concrete
- Length
- 26 ft
- 3 main spans
- Daily traffic
- 300
- 2019 count
- Owner
- County
- County Highway Agency
About this bridge
St. John RD over Isaac Creek is a concrete culvert carrying St. John RD over Isaac Creek in Claiborne Parish, Louisiana. It was built in 2012, so it is 13 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 300 vehicles a day, roughly 9% of them trucks, projected to reach 330 by 2039. The structure is 26 ft (7.9 m) long and 43 ft wide. If it were closed, the detour would be 8.7 mi (14 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
| Culvert | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was St. John RD over Isaac Creek built?
It was built in 2012, making it 13 years old in 2025.
What condition is St. John RD over Isaac Creek 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 October 2023.
How much traffic does St. John RD over Isaac Creek carry?
About 300 vehicles per day (2019 count), of which roughly 9% are trucks.
How long is St. John RD over Isaac Creek?
The structure is 26 ft (7.9 m) long with a longest span of 8 ft (2.4 m) and a deck 43 ft wide.
Who owns St. John RD over Isaac Creek?
It is owned by the County Highway Agency.