Project and Public over the Dalles Dam
Wasco County, Oregon · rated Fair in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Project and Public over the Dalles Dam in Wasco County, Oregon, is rated in fair condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the deck, rated 6 (satisfactory condition) on the 0-9 scale.
- It was built in 1954, making it 71 years old at the 2025 inventory.
- It carries about 200 vehicles a day (traffic count year 2024).
- It is one of 94 of the 148 inventoried bridges in Wasco County rated fair (63.5%); 16 (10.8%) are rated poor.
- Its traffic status in the 2025 inventory is open, no restriction (NBI item 41).
- Its class is unchanged from 2024 (fair), but component ratings moved: superstructure 7 to 6.
- Its most recent inspection on record is dated September 2024, on a 24-month routine inspection cycle.
- 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 → (45.62089, -121.11258)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Deck | 6 | 6 | Satisfactory condition |
| Superstructure | 7 | 6 | Satisfactory condition |
| Substructure | 7 | 7 | Good condition |
Bridge details
| Structure | Concrete stringer or multi-beam girder |
| Length | about 96 ft |
| Location | South Access Br over UPRR |
| NBI structure number | CEPNPPOR000TD08 |
| Condition class | Fair |
| Traffic status (item 41) | Open, no restriction |
| Last inspection (item 90) | September 2024 |
| Inspection interval (item 91) | 24 months |
| Scour (item 113) | N: not over a waterway |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Oregon department of transportation.
Busiest bridges in Wasco County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| I-84 (hwy 002) over Rock Creek | 1953 | 25,052 | Fair |
| I-84 (hwy 002) over UPRR | 2001 | 25,052 | Good |
| I-84 (hwy 002) over Mosier Creek | 2009 | 25,052 | Good |
| I-84 (hwy 002) over Rowena Conn | 1954 | 24,970 | Fair |
| I-84 (hwy 002) over Hwy 292 O-xing | 1964 | 24,749 | Fair |
| I-84 (hwy 002) over Union Street | 2003 | 24,749 | Good |
All bridges nearby: Wasco County, OR bridge conditions · every bridge in Wasco County · Oregon bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.