Daw Rd over Siphorien Bayou
De Soto Parish, Louisiana · rated Fair in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Daw Rd over Siphorien Bayou in De Soto Parish, Louisiana, is rated in fair condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the culvert, rated 5 (fair condition) on the 0-9 scale.
- It was built in 2007, making it 18 years old at the 2025 inventory.
- It carries about 200 vehicles a day (traffic count year 2021).
- Its listed owner is the county highway agency.
- It is one of 132 of the 201 inventoried bridges in De Soto Parish rated fair (65.7%); 15 (7.5%) are rated poor.
- A fair rating means the lowest-rated major component scores 5 or 6 on FHWA's 0-9 scale: some deterioration or minor section loss, but the structure is sound. It is the middle class, not a warning.
View this bridge on a map → (32.10454, -93.63632)
Component ratings
| Component | Rating (2025) | FHWA scale meaning |
|---|---|---|
| Culvert | 5 | Fair condition |
Bridge details
| Structure | Steel culvert |
| Length | about 33 ft |
| Location | 1.8 Mi. North of La 509 |
| NBI structure number | 041632062933821 |
| Condition class | Fair |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Louisiana department of transportation.
Busiest bridges in De Soto Parish
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| I0049 over Asseff Rd | 1987 | 29,022 | Good |
| I0049 over Sweepco R/R | 1986 | 29,022 | Fair |
| I0049 over US 84 | 1985 | 29,022 | Fair |
| I0049 over Mundy Bayou | 1986 | 29,022 | Fair |
| I0049 over Buffalo Bayou | 1985 | 29,022 | Fair |
| I0049 over Siphorien Bayou | 1986 | 29,022 | Fair |
All bridges nearby: De Soto Parish, LA bridge conditions · every bridge in De Soto Parish · Louisiana bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.