Santa Maria Mesa over Sisquoc River
Santa Barbara County, California · rated Good in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Santa Maria Mesa over Sisquoc River in Santa Barbara 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 1998, making it 27 years old at the 2025 inventory.
- It carries about 1,371 vehicles a day (traffic count year 2009).
- Its listed owner is the county highway agency.
- It is one of 226 of the 421 inventoried bridges in Santa Barbara County rated good (53.7%); 16 (3.8%) 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 good (deck 5 to 7, superstructure 7 to 8, substructure 7 to 8).
- Its most recent inspection on record is dated January 2025, 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 → (34.89348, -120.30709)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Deck | 5 | 7 | Good condition |
| Superstructure | 7 | 8 | Very good condition |
| Substructure | 7 | 8 | Very good condition |
Bridge details
| Structure | Continuous prestressed concrete multiple box beam |
| Length | about 603 ft |
| Location | 0.6 Mi E Foxen Canyon Rd |
| NBI structure number | 51C0095 |
| Condition class | Good |
| Traffic status (item 41) | Open, no restriction |
| Last inspection (item 90) | January 2025 |
| 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 Barbara County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| Hwy 101 NB Rt Lane over Mission Creek | 1963 | 120,000 | Good |
| La Cumbre Road over US Highway 101 | 1997 | 110,900 | Good |
| U.S. Highway 101 over Quarantina Street | 1990 | 109,000 | Good |
| U.S. Highway 101 over Calle Cesar Chavez | 1990 | 109,000 | Good |
| U.S. Highway 101 over Chapala St Equalizer | 1992 | 109,000 | Good |
| US Highway 101 over Sycamore Creek | 2011 | 109,000 | Fair |
All bridges nearby: Santa Barbara County, CA bridge conditions · every bridge in Santa Barbara County · California bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.