San Hill Rd over Red Rock Branch
Webster Parish, Louisiana · rated Poor in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- San Hill Rd over Red Rock Branch in Webster Parish, Louisiana, is rated in poor condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the culvert, rated 4 (poor condition) on the 0-9 scale.
- It was built in 1986, making it 39 years old at the 2025 inventory.
- It carries about 268 vehicles a day (traffic count year 2020).
- Its listed owner is the county highway agency.
- It is one of 48 of the 194 inventoried bridges in Webster Parish rated poor (24.7%); 48 (24.7%) 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 July 2023, 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 → (32.99277, -93.28251)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Culvert | 4 | 4 | Poor condition |
Bridge details
| Structure | Steel culvert |
| Length | about 34 ft |
| Location | 1.2 Mi E. of Hwy 159 |
| NBI structure number | 046032597931691 |
| Condition class | Poor |
| Traffic status (item 41) | Open, no restriction |
| Last inspection (item 90) | July 2023 |
| Inspection interval (item 91) | 24 months |
| Scour (item 113) | 8: foundations stable, scour above the top of the footing |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Louisiana department of transportation.
Busiest bridges in Webster Parish
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| I0020 over Cooley Branch | 1960 | 44,225 | Fair |
| I0020 over Cooley Branch | 1960 | 44,225 | Good |
| I0020 over Kcs R/R | 1960 | 41,386 | Fair |
| I0020 over US371 @ Dixie Inn | 1960 | 38,625 | Fair |
| I0020 over Dorcheat Bayou Rel | 1960 | 38,625 | Good |
| I0020 over Dorcheat Bayou | 1960 | 38,625 | Fair |
All bridges nearby: Webster Parish, LA bridge conditions · every bridge in Webster Parish · Louisiana bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.