Guthrie Road over Fern Creek
Polk County, Oregon · rated Good in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Guthrie Road over Fern Creek in Polk County, Oregon, is rated in good condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the substructure, rated 7 (good condition) on the 0-9 scale.
- It was built in 2012, making it 13 years old at the 2025 inventory.
- It carries about 108 vehicles a day (traffic count year 2020).
- Its listed owner is the county highway agency.
- It is one of 37 of the 162 inventoried bridges in Polk County rated good (22.8%); 12 (7.4%) 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 → (44.87197, -123.34166)
Component ratings
| Component | Rating (2025) | FHWA scale meaning |
|---|---|---|
| Deck | 8 | Very good condition |
| Superstructure | 8 | Very good condition |
| Substructure | 7 | Good condition |
Bridge details
| Structure | Prestressed concrete slab |
| Length | about 32 ft |
| Location | 002 W of State Hwy 223 |
| NBI structure number | 21733 851200099 |
| Condition class | Good |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Oregon department of transportation.
Busiest bridges in Polk County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| Or 22 (HWY30AZ) E over Hwy 150 Conn. & Park Rd | 1953 | 45,083 | Fair |
| Or 22 (hwy 30) over Boat Moorage Access | 1963 | 44,753 | Fair |
| Or 22 (hwy 30) over OR 221 (HWY 150) Conn | 1963 | 29,957 | Fair |
| OR 22 (Hwy 30) over Mud Slough | 1973 | 28,015 | Good |
| Or 22 (hwy 30) Con over Wallace Marine Park | 1953 | 22,964 | Fair |
| OR 22 (Hwy 30) over W&p RR | 1973 | 22,774 | Good |
All bridges nearby: Polk County, OR bridge conditions · every bridge in Polk County · Oregon bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.