I-84 (hwy 006) WB over Cnty Rd UPRR Alder Crk
Baker County, Oregon · rated Good in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- I-84 (hwy 006) WB over Cnty Rd UPRR Alder Crk in Baker 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 2007, making it 18 years old at the 2025 inventory.
- It carries about 5,898 vehicles a day (traffic count year 2022).
- Its listed owner is the state highway agency.
- It is one of 55 of the 188 inventoried bridges in Baker County rated good (29.3%); 9 (4.8%) are rated poor.
- Its traffic status in the 2025 inventory is open, no restriction (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 April 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 → (44.66852, -117.62051)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Deck | 7 | 7 | Good condition |
| Superstructure | 7 | 8 | Very good condition |
| Substructure | 7 | 7 | Good condition |
Bridge details
| Structure | Continuous steel stringer or multi-beam girder |
| Length | about 629 ft |
| Location | 143 Mi SE Jct Ore 7 |
| NBI structure number | 19713 006 31744 |
| Condition class | Good |
| Traffic status (item 41) | Open, no restriction |
| Last inspection (item 90) | April 2024 |
| Inspection interval (item 91) | 24 months |
| Scour (item 113) | 5: foundations stable, scour within the limits of the footing or piles |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Oregon department of transportation.
Busiest bridges in Baker County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| I-84 (hwy 006) over Burnt River(dixie CR) | 1971 | 11,968 | Fair |
| I-84 (hwy 006) over Burnt River (RR Tunnel) | 1971 | 11,958 | Good |
| I-84 (hwy 006) over Burnt River(chimney CR) | 1971 | 11,958 | Fair |
| I-84 (hwy 006) over Burnt River(jordan CR) | 1971 | 11,958 | Fair |
| I-84 (hwy 006) over Lookout Mt I/c | 1971 | 11,958 | Good |
| I-84 (hwy 006) over Burnt River(jett CR) | 1971 | 11,932 | Fair |
All bridges nearby: Baker County, OR bridge conditions · every bridge in Baker County · Oregon bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.