FHWA NBI 2024 Inspection record Public-domain dataset

SAN TOMAS EXPWY

Carrying SAN TOMAS EXPWY over LOS GATOS CREEK

0.01 MI N SH 17, Santa Clara, California

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Good
45 t Inventory load rating

Bridge Snapshot: SAN TOMAS EXPWY

The SAN TOMAS EXPWY bridge in Santa Clara, California carries SAN TOMAS EXPWY over LOS GATOS CREEK. It was built in 1968, making it 58 years old today. The structure is built primarily of steel and spans 3 sections, stretching 45.4 meters (149 feet) end to end. Daily traffic averages 62,140 vehicles, placing it in the heavily-trafficked tier of California bridges. It is owned and maintained by County Highway Agency.

The latest FHWA inspection records show a deck rating of 7/9, superstructure at 7/9, substructure at 7/9. The weakest component sits in good condition. All reported major components score above the Poor range. Its NBI inventory load rating is 45.0 metric tons.

Sourced from the FHWA National Bridge Inventory. See our methodology for refresh cadence and NBI release vintage.

How SAN TOMAS EXPWY compares

▲ 13.7
Load rating vs California average (31.3 t)
Top 8%
Higher load rating than 92% of California bridges
1,041
Bridges in Santa Clara · 38 in Poor condition
SAN TOMAS EXPWY 45.0 t
California average 31.3 t

Live comparison across California.

Historical Sufficiency Rating

PlainBridge-computed
74.8 / 100 - historical 50–79.9 band
Structural adequacy /55
55.0
Serviceability /30
14.0
Essentiality /15
7.8
Special reductions
−2.0

FHWA discontinued this calculated item; it does not determine current condition, funding eligibility, posting, or closure. How the historical reference is calculated.

Condition Ratings

Deck
7/9
Good (7–9)
Superstructure
7/9
Good (7–9)
Substructure
7/9
Good (7–9)
Inventory Load Rating
45.0 t
NBI inventory level (metric tons)
Overall Condition
Good

Full 0–9 scale + sufficiency-rating breakdown: how condition ratings work.

Structural Details

Year Built
1968
Material
Steel
Number of Spans
3
Structure Length
45.4 m (149 ft)
Deck Width
39.0 m (128 ft)
Owner
County Highway Agency
Avg Daily Traffic
62,140 vehicles/day
Structure Number
37C0053

Condition Analysis

  • The deck (driving surface) rates good at 7/9, with no significant deterioration on file.
  • At 7/9, the superstructure (beams and supports above the deck) is in good shape and shows no significant wear.
  • The substructure (piers and abutments) is in good condition (7/9), showing no significant deterioration.

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 7/9, 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 62,140 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 Good 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 45.0 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.

Data sourced from the Federal Highway Administration National Bridge Inventory. See our methodology for details. Retrieved and formatted by PlainBridges

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.