FHWA NBI 2024 Inspection record Public-domain dataset

INTERSTATE 680

Carrying INTERSTATE 680 over HOSTETTER ROAD

04-SCL-680-M4.78-SJS, Santa Clara, California

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Unknown

Bridge Snapshot: INTERSTATE 680

The INTERSTATE 680 bridge in Santa Clara, California carries INTERSTATE 680 over HOSTETTER ROAD. It was built in 1974, making it 52 years old today. The structure is built primarily of prestressed concrete. Daily traffic averages 90,000 vehicles, placing it in the heavily-trafficked tier of California bridges.

The latest FHWA inspection records show limited component ratings on file. The weakest component sits in unrated condition. All reported major components score above the Poor range.

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

How INTERSTATE 680 compares

1,041
Bridges in Santa Clara · 38 in Poor condition

Live comparison across California.

Historical Sufficiency Rating

PlainBridge-computed
96.0 / 100 - historical 80–100 band
Structural adequacy /55
55.0
Serviceability /30
28.0
Essentiality /15
13.0
Special reductions
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 How the historical reference is calculated.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

Overall Condition
Unrated

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

Structural Details

Year Built
1974
Material
Prestressed Concrete
Avg Daily Traffic
90,000 vehicles/day
Structure Number
37 0296

How to read this record

This page shows what the last federal inspection recorded, not whether INTERSTATE 680 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 INTERSTATE 680 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 INTERSTATE 680?

INTERSTATE 680 in Santa Clara, California on the FHWA's 0–9 scale.

How often is INTERSTATE 680 inspected?

INTERSTATE 680'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 90,000 vehicles per day.

What does “structurally deficient” mean in older bridge reports?

FHWA retired that reported status beginning with the 2018 archive. INTERSTATE 680 is currently shown as unrated condition from its component ratings; that category is not a live closure or safety decision.

What is the inventory load rating for INTERSTATE 680?

An inventory load rating is not recorded for INTERSTATE 680.

Who is responsible for maintaining INTERSTATE 680?

Ownership is not specified for INTERSTATE 680 in the NBI.

How old is INTERSTATE 680 and does age affect safety?

INTERSTATE 680 was built in 1974, making it 52 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.