Fs Route N0. 413 over N.f. Cda River
Kootenai County, Idaho · rated Poor in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Fs Route N0. 413 over N.f. Cda River in Kootenai County, Idaho, is rated in poor condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the substructure, rated 4 (poor condition) on the 0-9 scale.
- It was built in 1950 and reconstructed in 1992, making it 75 years old at the 2025 inventory.
- It carries about 50 vehicles a day.
- It is one of 7 of the 159 inventoried bridges in Kootenai County rated poor (4.4%); 7 (4.4%) are rated poor.
- Its traffic status in the 2025 inventory is posted for load (NBI item 41).
- Its condition class and component ratings are unchanged from the 2024 inventory.
- Its most recent inspection on record is dated June 2024, on a 24-month routine inspection cycle.
- It has fracture-critical members (NBI item 92A): steel tension members without a redundant load path, which get their own scheduled inspections.
- 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 → (47.65429, -116.36461)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Deck | 6 | 6 | Satisfactory condition |
| Superstructure | 6 | 6 | Satisfactory condition |
| Substructure | 4 | 4 | Poor condition |
Bridge details
| Structure | Steel through truss |
| Length | about 149 ft |
| Location | Breakwater |
| NBI structure number | 010403000000148 |
| Condition class | Poor |
| Traffic status (item 41) | Posted for load |
| Last inspection (item 90) | June 2024 |
| Inspection interval (item 91) | 24 months |
| Scour (item 113) | 4: foundations stable, field review says exposed foundations need protection |
| Fracture critical (item 92A) | Yes |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Idaho department of transportation.
Busiest bridges in Kootenai County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| I 90 Eb-wb;rmp Cd over Bnrr;post Falls Op | 1977 | 62,000 | Fair |
| SMA7235;NW Blvd over I 90 Eb-wb;nw Blvd Ic | 2001 | 40,000 | Fair |
| US 95 over I 90 E-wb;lincoln Way Ic | 1960 | 33,500 | Fair |
| I 90 Wbl over SH 41 | 2024 | 32,500 | Good |
| I 90 Ebl over I 90 EB Off Ramp | 2023 | 32,500 | Good |
| I 90 Wbl over I 90 EB Off Ramp | 2024 | 32,500 | Good |
All bridges nearby: Kootenai County, ID bridge conditions · every bridge in Kootenai County · Idaho bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.