S Anderson Lake Rd over Cda River;springston Br
Kootenai County, Idaho · rated Poor in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- S Anderson Lake Rd over Cda River;springston Br in Kootenai County, Idaho, is rated in poor condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the deck, rated 1 (imminent failure condition) on the 0-9 scale.
- It was built in 1955, making it 70 years old at the 2025 inventory.
- It carries about 40 vehicles a day (traffic count year 2023).
- It is one of 7 of the 159 inventoried bridges in Kootenai County rated poor (4.4%); 7 (4.4%) are rated poor.
- 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 → (47.47847, -116.733)
Component ratings
| Component | Rating (2025) | FHWA scale meaning |
|---|---|---|
| Deck | 1 | Imminent failure condition |
| Superstructure | 6 | Satisfactory condition |
| Substructure | 1 | Imminent failure condition |
Bridge details
| Structure | Steel through truss |
| Length | about 301 ft |
| Location | 1.7 N. 2.4 E. Harrison |
| NBI structure number | 000000000030510 |
| Condition class | Poor |
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.