FHWA NBI 2024 Inspection record Public-domain dataset

CALAVERAS RD

Carrying CALAVERAS RD over ALAMEDA CREEK

5.2 MI NW/O COUNTY LINE, Alameda, California

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Fair
51 t Inventory load rating

Bridge Snapshot: CALAVERAS RD

The CALAVERAS RD bridge in Alameda, California carries CALAVERAS RD over ALAMEDA CREEK. It was built in 1964, making it 62 years old today. The structure is built primarily of steel and spans 3 sections, stretching 65.5 meters (215 feet) end to end. Daily traffic averages 1,200 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 50.5 metric tons.

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

How CALAVERAS RD compares

▲ 19.2
Load rating vs California average (31.3 t)
Top 5%
Higher load rating than 95% of California bridges
800
Bridges in Alameda · 40 in Poor condition
CALAVERAS RD 50.5 t
California average 31.3 t

Live comparison across California.

Historical Sufficiency Rating

PlainBridge-computed
92.7 / 100 - historical 80–100 band
Structural adequacy /55
55.0
Serviceability /30
28.0
Essentiality /15
12.7
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 How the historical reference is calculated.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
50.5 t
NBI inventory level (metric tons)
Overall Condition
Fair

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

Structural Details

Year Built
1964
Material
Steel
Number of Spans
3
Structure Length
65.5 m (215 ft)
Deck Width
9.9 m (32 ft)
Owner
County Highway Agency
Avg Daily Traffic
1,200 vehicles/day
Structure Number
33C0073

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) 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 CALAVERAS RD 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 CALAVERAS RD against other structures in Alameda 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 CALAVERAS RD?

CALAVERAS RD in Alameda, 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 CALAVERAS RD inspected?

CALAVERAS RD'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 1,200 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. CALAVERAS RD 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 CALAVERAS RD?

CALAVERAS RD has an NBI inventory load rating of 50.5 metric tons.

Who is responsible for maintaining CALAVERAS RD?

CALAVERAS RD is owned and maintained by County Highway Agency.

How old is CALAVERAS RD and does age affect safety?

CALAVERAS RD was built in 1964, making it 62 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.