Long Hollow Road over Dry Creek
Wasco County, Oregon · rated Poor in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Long Hollow Road over Dry Creek in Wasco County, Oregon, is rated in poor condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the substructure, rated 4 (poor condition) on the 0-9 scale.
- It was built in 1959, making it 66 years old at the 2025 inventory.
- It carries about 97 vehicles a day (traffic count year 2020).
- Its listed owner is the county highway agency.
- It is one of 16 of the 148 inventoried bridges in Wasco County rated poor (10.8%); 16 (10.8%) are rated poor.
- Its traffic status in the 2025 inventory is open, no restriction (NBI item 41).
- It was rated fair in the 2024 inventory and is now poor (substructure 5 to 4).
- Its most recent inspection on record is dated August 2024, on a 24-month routine inspection cycle.
- It is coded scour critical (NBI item 113 = 3): scour critical: foundations unstable for the assessed or calculated scour.
- A poor rating means at least one major component - deck, superstructure, or substructure - is rated 4 or lower on FHWA's 0-9 scale. It does not by itself mean the bridge is unsafe; bridges judged unsafe are closed or load-restricted by their owners.
View this bridge on a map → (45.45741, -121.08701)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Deck | 7 | 7 | Good condition |
| Superstructure | 6 | 6 | Satisfactory condition |
| Substructure | 5 | 4 | Poor condition |
Bridge details
| Structure | Continuous concrete slab |
| Length | about 109 ft |
| Location | 0.6 Mi. S. of Boyd Rd. |
| NBI structure number | 08593 011 00608 |
| Condition class | Poor |
| Traffic status (item 41) | Open, no restriction |
| Last inspection (item 90) | August 2024 |
| Inspection interval (item 91) | 24 months |
| Scour (item 113) | 3: scour critical: foundations unstable for the assessed or calculated scour |
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.