St. John Rd over Isaac Creek
Claiborne Parish, Louisiana · rated Good in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- St. John Rd over Isaac Creek in Claiborne Parish, Louisiana, is rated in good condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the culvert, rated 8 (very good condition) on the 0-9 scale.
- It was built in 2012, making it 13 years old at the 2025 inventory.
- It carries about 300 vehicles a day (traffic count year 2019).
- Its listed owner is the county highway agency.
- It is one of 44 of the 148 inventoried bridges in Claiborne Parish rated good (29.7%); 33 (22.3%) 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 October 2023, on a 24-month routine inspection cycle.
- A good rating means every major component - deck, superstructure, substructure, or culvert - is rated 7 or higher on FHWA's 0-9 scale: no more than minor problems.
View this bridge on a map → (32.72994, -93.00049)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Culvert | 8 | 8 | Very good condition |
Bridge details
| Structure | Concrete culvert |
| Length | about 25 ft |
| Location | 1.01 Mi South of Jct La 1 |
| NBI structure number | 041400000301233 |
| Condition class | Good |
| Traffic status (item 41) | Open, no restriction |
| Last inspection (item 90) | October 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 Claiborne Parish
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| US0079 over Crows Creek | 1979 | 9,942 | Fair |
| US0079 over Drainage Creek | 1979 | 9,942 | Fair |
| US0079 over Caney Creek | 1930 | 5,728 | Fair |
| US0079 over Beaver Branch | 1979 | 5,728 | Fair |
| US0079 over Bayou Darbonne | 1979 | 5,728 | Fair |
| US0079 over Creek | 1936 | 5,728 | Fair |
All bridges nearby: Claiborne Parish, LA bridge conditions · every bridge in Claiborne Parish · Louisiana bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.