SAN TOMAS EXPWY
Carrying SAN TOMAS EXPWY over UP RR, DELL AVE
WINCHESTER BLVD, Santa Clara, California
Data updated May 2026
FHWA NBI record, refreshed with each annual release.
Bridge Snapshot: SAN TOMAS EXPWY
The SAN TOMAS EXPWY bridge in Santa Clara, California carries SAN TOMAS EXPWY over UP RR, DELL AVE. It was built in 1968, making it 58 years old today. The structure is built primarily of steel and spans 9 sections, stretching 166.6 meters (547 feet) end to end. Daily traffic averages 9,500 vehicles, placing it in the moderately-trafficked tier of California bridges. It is owned and maintained by County Highway Agency.
The latest FHWA inspection records show a deck rating of 5/9, superstructure at 7/9, substructure at 7/9. The weakest component sits in fair condition. All reported major components score above the Poor range. Its NBI inventory load rating is 24.3 metric tons.
Sourced from the FHWA National Bridge Inventory. See our methodology for refresh cadence and NBI release vintage.
How SAN TOMAS EXPWY compares
Live comparison across California.
Historical Sufficiency Rating
PlainBridge-computedFHWA discontinued this calculated item; it does not determine current condition, funding eligibility, posting, or closure. How the historical reference is calculated.
Condition Ratings
Full 0–9 scale + sufficiency-rating breakdown: how condition ratings work.
Structural Details
- Year Built
- 1968
- Material
- Steel
- Number of Spans
- 9
- Structure Length
- 166.6 m (547 ft)
- Deck Width
- 7.9 m (26 ft)
- Owner
- County Highway Agency
- Avg Daily Traffic
- 9,500 vehicles/day
- Structure Number
- 37C0083S
Location
Data Source
FHWA National Bridge Inventory (NBI).
FHWA NBI Program ↗Condition Analysis
- • The deck (driving surface) rates fair at 5/9, minor deterioration that routine maintenance should address.
- • The superstructure (beams and supports above the deck) rates good at 7/9, with no significant deterioration on file.
- • The substructure (piers and abutments) rates good at 7/9, with no significant deterioration on file.
How to read this record
This page shows what the last federal inspection recorded, not whether SAN TOMAS EXPWY is safe to cross today. Here is how to use it.
- NBI condition ratings reflect the latest record in this annual dataset, not a live status. Current routine inspection intervals are risk-based.
- Learn how the 0–9 condition scale and Good/Fair/Poor categories are defined. How condition ratings work
- Compare SAN TOMAS EXPWY against other structures in Santa Clara and across California. California bridges
- Noticed visible damage or a safety concern? Report it to the agency that owns the bridge, or call 911 in an emergency. How to report a bridge
Condition codes come straight from the FHWA National Bridge Inventory and are not a real-time safety judgment. Only the owning agency, a state DOT, county, or other owner, can post, restrict, or close a bridge.
Frequently Asked Questions
What do the condition ratings mean for SAN TOMAS EXPWY?
SAN TOMAS EXPWY in Santa Clara, California has a deck rating of 5/9, superstructure rating of 7/9, and substructure rating of 7/9 on the FHWA's 0–9 scale.
How often is SAN TOMAS EXPWY inspected?
SAN TOMAS EXPWY's responsible agency sets its routine interval under FHWA's risk-based inspection rules; this page does not expose the scheduled interval. It carries about 9,500 vehicles per day.
What does “structurally deficient” mean in older bridge reports?
FHWA retired that reported status beginning with the 2018 archive. SAN TOMAS EXPWY is currently shown as Fair condition from its component ratings; that category is not a live closure or safety decision.
What is the inventory load rating for SAN TOMAS EXPWY?
SAN TOMAS EXPWY has an NBI inventory load rating of 24.3 metric tons.
Who is responsible for maintaining SAN TOMAS EXPWY?
SAN TOMAS EXPWY is owned and maintained by County Highway Agency.
How old is SAN TOMAS EXPWY and does age affect safety?
SAN TOMAS EXPWY was built in 1968, making it 58 years old.
Disclaimer: Bridge condition data is from the FHWA NBI and reflects the last reported inspection. A Poor condition rating is not a live declaration that a bridge is closed or unsafe for travel. For current closure, posting, or safety information, contact the responsible transportation agency.
Every figure on PlainBridge is rendered directly from federal source data, no number is typed in by an editor. This page draws directly on federal source data, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.