STC3742;WAMSTAD Rd over Golden Gate Canal
Canyon County, Idaho · rated Good in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- STC3742;WAMSTAD Rd over Golden Gate Canal in Canyon County, Idaho, is rated in good condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the deck, rated 7 (good condition) on the 0-9 scale.
- It was built in 1993, making it 32 years old at the 2025 inventory.
- It carries about 80 vehicles a day (traffic count year 2023).
- It is one of 86 of the 291 inventoried bridges in Canyon County rated good (29.6%); 6 (2.1%) are rated poor.
- 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 → (43.71378, -116.952)
Component ratings
| Component | Rating (2025) | FHWA scale meaning |
|---|---|---|
| Deck | 7 | Good condition |
| Superstructure | 7 | Good condition |
| Substructure | 7 | Good condition |
Bridge details
| Structure | Concrete channel beam |
| Length | about 50 ft |
| Location | 2.6 N. 2.0 W. Wilder |
| NBI structure number | 000000000027136 |
| Condition class | Good |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Idaho department of transportation.
Busiest bridges in Canyon County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| I 84 Wbl & Ebl over I 84B ;garrity Blvd Ic | 2011 | 111,000 | Good |
| I 84 Ebl & Wbl over Uprr;east Lateral Canal | 2021 | 104,000 | Good |
| I 84 Ebl Wbl over Northside Blvd Ic | 2021 | 84,500 | Good |
| I 84 Ebl Wbl over Sma 7923; Linden Road Gs | 2022 | 68,000 | Good |
| I84 Ebl Wbl over Notus Canal | 2022 | 68,000 | Good |
| I 84 ;US 20-26 over Stp 7773;10TH Ave Ic | 1983 | 58,000 | Fair |
All bridges nearby: Canyon County, ID bridge conditions · every bridge in Canyon County · Idaho bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.