Sid Richardson Rd over Bayou Bourbeaux
West Baton Rouge Parish, Louisiana · rated Poor in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Sid Richardson Rd over Bayou Bourbeaux in West Baton Rouge Parish, Louisiana, is rated in poor condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the deck, rated 4 (poor condition) on the 0-9 scale.
- It was built in 1970, making it 55 years old at the 2025 inventory.
- It carries about 230 vehicles a day (traffic count year 2020).
- Its listed owner is the county highway agency.
- It is one of 10 of the 72 inventoried bridges in West Baton Rouge Parish rated poor (13.9%); 10 (13.9%) are rated poor.
- Its traffic status in the 2025 inventory is open, no restriction (NBI item 41).
- Its condition class and component ratings are unchanged from the 2024 inventory.
- Its most recent inspection on record is dated November 2024, on a 24-month routine inspection cycle.
- A poor rating means at least one major component - deck, superstructure, or substructure - is rated 4 or lower on FHWA's 0-9 scale. It does not by itself mean the bridge is unsafe; bridges judged unsafe are closed or load-restricted by their owners.
View this bridge on a map → (30.33107, -91.27773)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Deck | 4 | 4 | Poor condition |
| Superstructure | 4 | 4 | Poor condition |
| Substructure | 4 | 4 | Poor condition |
Bridge details
| Structure | Concrete slab |
| Length | about 58 ft |
| Location | 1.75 Mi. SW. of Addi |
| NBI structure number | 616130199911661 |
| Condition class | Poor |
| Traffic status (item 41) | Open, no restriction |
| Last inspection (item 90) | November 2024 |
| Inspection interval (item 91) | 24 months |
| Scour (item 113) | U: unknown foundation, not evaluated for scour |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Louisiana department of transportation.
Busiest bridges in West Baton Rouge Parish
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| I0010 over La 1 & M.p. RR | 1968 | 197,070 | Fair |
| I0010 over Bayou Choctaw | 1974 | 80,618 | Fair |
| I0010 over Bridge 290 Ebl | 1973 | 80,618 | Good |
| I0010 over Drainage Canal | 1968 | 80,618 | Good |
| I0010 over Drainage Canal | 1969 | 80,618 | Fair |
| I0010 over La 415 | 1969 | 80,618 | Fair |
All bridges nearby: West Baton Rouge Parish, LA bridge conditions · every bridge in West Baton Rouge Parish · Louisiana bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.