FHWA NBI 2024 Inspection record Public-domain dataset

GRAYSTONE LANE

Carrying GRAYSTONE LANE over ALAMITOS CREEK

0.01 MI E CAMDEN AVE, Santa Clara, California

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Fair
46 t Inventory load rating

Bridge Snapshot: GRAYSTONE LANE

The GRAYSTONE LANE bridge in Santa Clara, California carries GRAYSTONE LANE over ALAMITOS CREEK. It was built in 1981, making it 45 years old today. The structure is built primarily of concrete continuous and spans 4 sections, stretching 51.5 meters (169 feet) end to end. Daily traffic averages 2,500 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 5/9, substructure at 7/9. The weakest component sits in fair condition. None of this bridge's reported major components fall into the Poor condition range. Its NBI inventory load rating is 46.0 metric tons.

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

How GRAYSTONE LANE compares

▲ 14.7
Load rating vs California average (31.3 t)
Top 7%
Higher load rating than 93% of California bridges
1,041
Bridges in Santa Clara · 38 in Poor condition
GRAYSTONE LANE 46.0 t
California average 31.3 t

Live comparison across California.

Historical Sufficiency Rating

PlainBridge-computed
80.3 / 100 - historical 80–100 band
Structural adequacy /55
45.0
Serviceability /30
23.5
Essentiality /15
13.8
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 How the historical reference is calculated.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
5/9
Fair (5–6)
Superstructure
5/9
Fair (5–6)
Substructure
7/9
Good (7–9)
Inventory Load Rating
46.0 t
NBI inventory level (metric tons)
Overall Condition
Fair

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

Structural Details

Year Built
1981
Material
Concrete Continuous
Number of Spans
4
Structure Length
51.5 m (169 ft)
Deck Width
12.0 m (39 ft)
Owner
County Highway Agency
Avg Daily Traffic
2,500 vehicles/day
Structure Number
37C0540

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 fair at 5/9, minor deterioration that routine maintenance should address.
  • 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 GRAYSTONE LANE 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 GRAYSTONE LANE 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 GRAYSTONE LANE?

GRAYSTONE LANE in Santa Clara, California has a deck rating of 5/9, superstructure rating of 5/9, and substructure rating of 7/9 on the FHWA's 0–9 scale.

How often is GRAYSTONE LANE inspected?

GRAYSTONE LANE'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 2,500 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. GRAYSTONE LANE 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 GRAYSTONE LANE?

GRAYSTONE LANE has an NBI inventory load rating of 46.0 metric tons.

Who is responsible for maintaining GRAYSTONE LANE?

GRAYSTONE LANE is owned and maintained by County Highway Agency.

How old is GRAYSTONE LANE and does age affect safety?

GRAYSTONE LANE was built in 1981, making it 45 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.