FHWA NBI 2024 Inspection record Public-domain dataset

WINDEMERE PARKWAY

Carrying WINDEMERE PARKWAY over ALAMO CREEK SOUTH FORK

1 MI E. BOLLINGER PKWY, Contra Costa, California

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Good
32 t Inventory load rating

Bridge Snapshot: WINDEMERE PARKWAY

The WINDEMERE PARKWAY bridge in Contra Costa, California carries WINDEMERE PARKWAY over ALAMO CREEK SOUTH FORK. It was built in 2005, making it 21 years old today. The structure is built primarily of steel and spans 1 section, stretching 7.9 meters (26 feet) end to end. Daily traffic averages 2,000 vehicles, placing it in the moderately-trafficked tier of California bridges. It is owned and maintained by City/Municipal Highway Agency.

The latest FHWA inspection records show superstructure at 7/9, substructure at 7/9. The weakest component sits in good condition. None of this bridge's reported major components fall into the Poor condition range. Its NBI inventory load rating is 32.4 metric tons.

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

How WINDEMERE PARKWAY compares

▲ 1.1
Load rating vs California average (31.3 t)
Bottom 41%
Lower load rating than 59% of California bridges
686
Bridges in Contra Costa · 38 in Poor condition
WINDEMERE PARKWAY 32.4 t
California average 31.3 t

Live comparison across California.

Historical Sufficiency Rating

PlainBridge-computed
81.4 / 100 - historical 80–100 band
Structural adequacy /55
55.0
Serviceability /30
15.0
Essentiality /15
14.4
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 How the historical reference is calculated.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

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

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

Structural Details

Year Built
2005
Material
Steel
Number of Spans
1
Structure Length
7.9 m (26 ft)
Owner
City/Municipal Highway Agency
Avg Daily Traffic
2,000 vehicles/day
Structure Number
28C0238

Condition Analysis

  • The superstructure (beams and supports above the deck) rates good at 7/9, with no significant deterioration on file.
  • 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 WINDEMERE PARKWAY 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 WINDEMERE PARKWAY against other structures in Contra Costa 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 WINDEMERE PARKWAY?

WINDEMERE PARKWAY in Contra Costa, California, superstructure rating of 7/9, and substructure rating of 7/9 on the FHWA's 0–9 scale.

How often is WINDEMERE PARKWAY inspected?

WINDEMERE PARKWAY'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 2,000 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. WINDEMERE PARKWAY 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 WINDEMERE PARKWAY?

WINDEMERE PARKWAY has an NBI inventory load rating of 32.4 metric tons.

Who is responsible for maintaining WINDEMERE PARKWAY?

WINDEMERE PARKWAY is owned and maintained by City/Municipal Highway Agency.

How old is WINDEMERE PARKWAY and does age affect safety?

WINDEMERE PARKWAY was built in 2005, making it 21 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.