State Route 9 NB over Hillside
Santa Cruz County, California · rated Good in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- State Route 9 NB over Hillside in Santa Cruz County, California, is rated in good condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the deck, rated 7 (good condition) on the 0-9 scale.
- It was built in 2002 and reconstructed in 2022, making it 23 years old at the 2025 inventory.
- It carries about 10,000 vehicles a day (traffic count year 2018).
- Its listed owner is the state highway agency.
- It is one of 79 of the 194 inventoried bridges in Santa Cruz County rated good (40.7%); 32 (16.5%) 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 June 2024, on a 48-month routine inspection cycle.
- 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 → (37.10138, -122.10312)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Deck | 7 | 7 | Good condition |
| Superstructure | 7 | 7 | Good condition |
| Substructure | 7 | 7 | Good condition |
Bridge details
| Structure | Continuous concrete slab |
| Length | about 156 ft |
| Location | 05-scr-009-10.75 |
| NBI structure number | 36 0109 |
| Condition class | Good |
| Traffic status (item 41) | Open, no restriction |
| Last inspection (item 90) | June 2024 |
| Inspection interval (item 91) | 48 months |
| Scour (item 113) | N: not over a waterway |
Source: FHWA National Bridge Inventory, 2025 data as reported by the California department of transportation.
Busiest bridges in Santa Cruz County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| State Route 1 over Emeline Street | 2008 | 130,000 | Fair |
| Water Street over Branciforte Creek | 1924 | 100,000 | Fair |
| State Route 1 over Soquel Creek Wharf Rd | 1947 | 97,000 | Good |
| State Route 1 over Bay Avenue | 1995 | 97,000 | Good |
| State Route 1 over Market Street | 1958 | 88,000 | Good |
| State Route 1 over Branciforte Creek | 1958 | 88,000 | Good |
All bridges nearby: Santa Cruz County, CA bridge conditions · every bridge in Santa Cruz County · California bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.