Road over Quartzville CR
Linn County, Oregon · rated Good in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Road over Quartzville CR in Linn County, Oregon, 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 1987, making it 38 years old at the 2025 inventory.
- It carries about 50 vehicles a day.
- It is one of 106 of the 564 inventoried bridges in Linn County rated good (18.8%); 95 (16.8%) 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 → (44.58114, -122.33517)
Component ratings
| Component | Rating (2025) | FHWA scale meaning |
|---|---|---|
| Deck | 7 | Good condition |
| Superstructure | 8 | Very good condition |
| Substructure | 7 | Good condition |
Bridge details
| Structure | Prestressed concrete stringer or multi-beam girder |
| Length | about 122 ft |
| Location | 27.3 NE Jct 20-fs 11 |
| NBI structure number | 061803000001646 |
| Condition class | Good |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Oregon department of transportation.
Busiest bridges in Linn County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| Dever-Conner Road over I-5 (Hwy 1) | 1958 | 66,723 | Fair |
| I-5 (hwy 1) over Truax Creek | 1947 | 66,382 | Fair |
| I-5 (hwy 1) NB over Knox Butte Road | 1958 | 34,103 | Fair |
| I-5 (hwy 1) NB over Or 99E (hwy 058) NB | 1958 | 34,103 | Fair |
| I-5 (hwy 1) SB over Knox Butte Road | 1958 | 34,103 | Fair |
| I-5 (hwy 1) SB over Or 99E (hwy 58) NB | 1958 | 34,103 | Fair |
All bridges nearby: Linn County, OR bridge conditions · every bridge in Linn County · Oregon bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.