Old Columbia RD over Brown Branch
GoodWashington Parish, Louisiana · 0.3 M N of LA 38 · Structure no. 625930570900791
- Built
- 1989
- 36 years old
- Condition
- Good
- inspected November 2023
- Type
- Slab
- Concrete
- Length
- 80 ft
- 4 main spans
- Daily traffic
- 137
- 2022 count
- Owner
- County
- County Highway Agency
About this bridge
Old Columbia RD over Brown Branch is a concrete slab carrying Old Columbia RD over Brown Branch in Washington Parish, Louisiana. It was built in 1989, so it is 36 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 137 vehicles a day, projected to reach 150 by 2042. The structure is 80 ft (24.4 m) long and 26 ft wide. If it were closed, the detour would be 98.8 mi (159 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Old Columbia RD over Brown Branch built?
It was built in 1989, making it 36 years old in 2025.
What condition is Old Columbia RD over Brown Branch 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 November 2023.
How much traffic does Old Columbia RD over Brown Branch carry?
About 137 vehicles per day (2022 count).
How long is Old Columbia RD over Brown Branch?
The structure is 80 ft (24.4 m) long with a longest span of 20 ft (6.1 m) and a deck 26 ft wide.
Who owns Old Columbia RD over Brown Branch?
It is owned by the County Highway Agency.