US 30 (Hwy 92) over Milton Creek
Columbia County, Oregon · rated Fair in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- US 30 (Hwy 92) over Milton Creek in Columbia County, Oregon, is rated in fair condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the deck, rated 5 (fair condition) on the 0-9 scale.
- It was built in 1996, making it 29 years old at the 2025 inventory.
- It carries about 20,849 vehicles a day (traffic count year 2022).
- Its listed owner is the state highway agency.
- It is one of 74 of the 128 inventoried bridges in Columbia County rated fair (57.8%); 12 (9.4%) are rated poor.
- A fair rating means the lowest-rated major component scores 5 or 6 on FHWA's 0-9 scale: some deterioration or minor section loss, but the structure is sound. It is the middle class, not a warning.
View this bridge on a map → (45.8575, -122.8227)
Component ratings
| Component | Rating (2025) | FHWA scale meaning |
|---|---|---|
| Deck | 5 | Fair condition |
| Superstructure | 7 | Good condition |
| Substructure | 5 | Fair condition |
Bridge details
| Structure | Prestressed concrete slab |
| Length | about 92 ft |
| Location | Scappose |
| NBI structure number | 17434 02W 02844 |
| Condition class | Fair |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Oregon department of transportation.
Busiest bridges in Columbia County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| US 30 (hwy 92) over N Fork Scappoose River | 1980 | 31,178 | Fair |
| US 30 (Hwy 92) over S Fork Scappoose River | 1980 | 31,178 | Fair |
| US 30 (hwy 92) over Honeyman Creek | 1919 | 30,567 | Fair |
| US 30 (Hwy 92) over McNulty Creek | 1996 | 23,995 | Fair |
| Hwy 92 Conn over Columbia River | 1929 | 21,169 | Fair |
| Longview Brdg Conn over OR 30 Hwy 92 | 1969 | 14,324 | Good |
All bridges nearby: Columbia County, OR bridge conditions · every bridge in Columbia County · Oregon bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.