County Rd 68 over South Slough
Coos County, Oregon · rated Poor in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- County Rd 68 over South Slough in Coos County, Oregon, is rated in poor condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the superstructure, rated 4 (poor condition) on the 0-9 scale.
- It was built in 1977, making it 48 years old at the 2025 inventory.
- It carries about 27 vehicles a day (traffic count year 2020).
- Its listed owner is the county highway agency.
- It is one of 8 of the 255 inventoried bridges in Coos County rated poor (3.1%); 8 (3.1%) are rated poor.
- 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 → (43.2762, -124.31972)
Component ratings
| Component | Rating (2025) | FHWA scale meaning |
|---|---|---|
| Deck | 6 | Satisfactory condition |
| Superstructure | 4 | Poor condition |
| Substructure | 4 | Poor condition |
Bridge details
| Structure | Timber stringer or multi-beam girder |
| Length | about 119 ft |
| Location | South Slough |
| NBI structure number | 11C75E006800118 |
| Condition class | Poor |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Oregon department of transportation.
Busiest bridges in Coos County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| US101(HWY009) over Coalbank Slough | 1987 | 31,461 | Fair |
| US101(HWY009) over Coos Bay (mccullough Br) | 1936 | 19,023 | Fair |
| US101(HWY009) over Cbrl | 1935 | 19,023 | Fair |
| Hwy 240 over Pony Creek | 1983 | 18,158 | Fair |
| US101(HWY009) over Coos Bay (mccullough Br) | 1936 | 17,390 | Fair |
| US101(HWY009) over Coos Bay (mccullough Br) | 1936 | 17,390 | Fair |
All bridges nearby: Coos County, OR bridge conditions · every bridge in Coos County · Oregon bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.