Alamitos Road over Herbert Creek
Santa Clara County, California · rated Poor in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Alamitos Road over Herbert Creek in Santa Clara County, California, 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 1985, making it 40 years old at the 2025 inventory.
- It carries about 10 vehicles a day (traffic count year 2024).
- Its listed owner is the county highway agency.
- It is one of 43 of the 966 inventoried bridges in Santa Clara County rated poor (4.5%); 43 (4.5%) 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 (superstructure 7 to 5, substructure 5 to 4).
- Its most recent inspection on record is dated February 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 → (37.15098, -121.85927)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Deck | 7 | 7 | Good condition |
| Superstructure | 7 | 5 | Fair condition |
| Substructure | 5 | 4 | Poor condition |
Bridge details
| Structure | Steel stringer or multi-beam girder |
| Length | about 29 ft |
| Location | 1.45 Mi SW Jct Hicks Rd |
| NBI structure number | 37C0505 |
| Condition class | Poor |
| Traffic status (item 41) | Open, no restriction |
| Last inspection (item 90) | February 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 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.