SW Belmont Lane over North Unit Canal
Jefferson County, Oregon · rated Good in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- SW Belmont Lane over North Unit Canal in Jefferson County, Oregon, is rated in good condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the deck, rated 8 (very good condition) on the 0-9 scale.
- It was built in 1995, making it 30 years old at the 2025 inventory.
- It carries about 464 vehicles a day (traffic count year 2020).
- Its listed owner is the county highway agency.
- It is one of 37 of the 80 inventoried bridges in Jefferson County rated good (46.2%); 7 (8.8%) are rated poor.
- Its traffic status in the 2025 inventory is posted for another load-capacity restriction (speed, number of vehicles on the bridge, etc.) (NBI item 41).
- Its class is unchanged from 2024 (good), but component ratings moved: superstructure 7 to 8.
- Its most recent inspection on record is dated November 2024, 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 → (44.6216, -121.16709)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Deck | 8 | 8 | Very good condition |
| Superstructure | 7 | 8 | Very good condition |
| Substructure | 8 | 8 | Very good condition |
Bridge details
| Structure | Prestressed concrete slab |
| Length | about 59 ft |
| Location | 0.3 Mi W of Bear Drive |
| NBI structure number | 31C22A608 00000 |
| Condition class | Good |
| Traffic status (item 41) | Posted for another load-capacity restriction (speed, number of vehicles on the bridge, etc.) |
| Last inspection (item 90) | November 2024 |
| Inspection interval (item 91) | 24 months |
| Scour (item 113) | U: unknown foundation, not evaluated for scour |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Oregon department of transportation.
Busiest bridges in Jefferson County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| US 97 (hwy 004) over Crooked R Canyon High Br | 2000 | 17,957 | Good |
| US 97 (hwy 004) over Ochoco Main Canal N Unit | 2005 | 13,479 | Good |
| US 97 (hwy 004) over Ochoco Main Canal N Unit | 2005 | 12,575 | Good |
| US 97 (hwy 004)NB over Willow Creek | 2006 | 11,568 | Good |
| US 26 (Hwy 053) over BNSF | 2005 | 11,556 | Good |
| US 97 (hwy 004)SB over Willow Creek | 1966 | 10,393 | Fair |
All bridges nearby: Jefferson County, OR bridge conditions · every bridge in Jefferson County · Oregon bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.