Aborn Road over Thompson Creek
Santa Clara County, California · rated Fair in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Aborn Road over Thompson Creek in Santa Clara County, California, is rated in fair condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the culvert, rated 6 (satisfactory condition) on the 0-9 scale.
- It was built in 1974, making it 51 years old at the 2025 inventory.
- It carries about 37,485 vehicles a day (traffic count year 1999).
- Its listed owner is a city or municipal highway agency.
- It is one of 516 of the 966 inventoried bridges in Santa Clara County rated fair (53.4%); 43 (4.5%) are rated poor.
- Its traffic status in the 2025 inventory is open, no restriction (NBI item 41).
- Its condition class and component ratings are unchanged from the 2024 inventory.
- Its most recent inspection on record is dated November 2021, on a 48-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 → (37.31334, -121.79456)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Culvert | 6 | 6 | Satisfactory condition |
Bridge details
| Structure | Continuous concrete culvert |
| Length | about 41 ft |
| Location | Near White Road |
| NBI structure number | 37C0274 |
| Condition class | Fair |
| Traffic status (item 41) | Open, no restriction |
| Last inspection (item 90) | November 2021 |
| Inspection interval (item 91) | 48 months |
| Scour (item 113) | 8: foundations stable, scour above the top of the footing |
Source: FHWA National Bridge Inventory, 2025 data as reported by the California department of transportation.
Busiest bridges in Santa Clara County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| Interstate 280 over 10TH & 11TH Street | 1972 | 250,300 | Good |
| Interstate 280 over Coyote Creek | 1972 | 250,300 | Fair |
| Interstate 280 over Abandoned UP RR Row | 1972 | 250,300 | Good |
| Interstate 280 over San Tomas Expressway | 1964 | 203,000 | Fair |
| Interstate 280 over Lawrence Expwy & Creek | 1965 | 203,000 | Fair |
| Interstate 280 over Private Road | 1969 | 196,000 | Good |
All bridges nearby: Santa Clara County, CA bridge conditions · every bridge in Santa Clara County · California bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.