FHWA NBI 2024 Inspection record Public-domain dataset

W SAN CARLOS ST

Carrying W SAN CARLOS ST over GUADALUPE RIVER

BET WOZ & ALMADEN, Santa Clara, California

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Fair
31 t Inventory load rating

Bridge Snapshot: W SAN CARLOS ST

The W SAN CARLOS ST bridge in Santa Clara, California carries W SAN CARLOS ST over GUADALUPE RIVER. It was built in 1930, making it 96 years old today. It was last reconstructed in 1957, extending its service life. The structure is built primarily of concrete continuous and spans 4 sections, stretching 32.6 meters (107 feet) end to end. Daily traffic averages 15,000 vehicles, placing it in the heavily-trafficked tier of California bridges. It is owned and maintained by City/Municipal 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. No reported major component scores in the Poor range under the current federal condition thresholds. Its NBI inventory load rating is 30.8 metric tons.

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

How W SAN CARLOS ST compares

▼ 0.5
Load rating vs California average (31.3 t)
Bottom 38%
Lower load rating than 62% of California bridges
1,041
Bridges in Santa Clara · 38 in Poor condition
W SAN CARLOS ST 30.8 t
California average 31.3 t

Live comparison across California.

Historical Sufficiency Rating

PlainBridge-computed
74.5 / 100 - historical 50–79.9 band
Structural adequacy /55
54.3
Serviceability /30
10.0
Essentiality /15
13.1
Special reductions
−3.0

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 How the historical reference is calculated.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
7/9
Good (7–9)
Substructure
7/9
Good (7–9)
Inventory Load Rating
30.8 t
NBI inventory level (metric tons)
Overall Condition
Fair

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

Structural Details

Year Built
1930
Last Reconstructed
1957
Material
Concrete Continuous
Number of Spans
4
Structure Length
32.6 m (107 ft)
Deck Width
29.1 m (95 ft)
Owner
City/Municipal Highway Agency
Avg Daily Traffic
15,000 vehicles/day
Structure Number
37C0722

Condition Analysis

  • At 5/9, the deck (driving surface) shows fair condition, with minor wear flagged for upkeep.
  • The superstructure (beams and supports above the deck) is in good condition (7/9), showing no significant deterioration.
  • 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 W SAN CARLOS ST 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 W SAN CARLOS ST 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 W SAN CARLOS ST?

W SAN CARLOS ST 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 W SAN CARLOS ST inspected?

W SAN CARLOS ST'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 15,000 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. W SAN CARLOS ST 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 W SAN CARLOS ST?

W SAN CARLOS ST has an NBI inventory load rating of 30.8 metric tons.

Who is responsible for maintaining W SAN CARLOS ST?

W SAN CARLOS ST is owned and maintained by City/Municipal Highway Agency.

How old is W SAN CARLOS ST and does age affect safety?

W SAN CARLOS ST was built in 1930, making it 96 years old and last reconstructed in 1957.

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.