State Bridge Links
- Log of Bridges on State Highways
- Paint Condition Index State Bridges [pdf]
- Age Profile for California Bridges [pdf]
Local Agency Bridge Links
- Scour Plan of Action
- Local Agency Bridge List [pdf]
- California Cities
- California Historic Bridge Inventory
Manuals
Forms
- Local Agency Update Contact Information [doc]
- Request to Add a Structure to NBI [pdf]
- Request for a Bridge Number [pdf]

| Blank | Structure carrying two-way traffic |
| C | Center structure |
| E | Connector structure |
| F | Connector structure |
| G | Connector structure |
| H | Connector structure |
| J | Outer outer left |
| K | Left outer highway structure |
| L | Left structure or left inner structure |
| M | Buried hazard or miscellaneous structure |
| R | Right structure or right inner structure |
| S | Right outer highway structure |
| T | Outer outer right |
| W | Drainage pumping plant |
| Y | Structure on State-owned and maintained connections not on main highway (may be closed) |
| Z | Access to private property or closed with no access |
