COUNTY ROAD 99W
Carrying COUNTY ROAD 99W over OVERFLOW DITCH
0.53 MI SE OF CR 4, Yolo, California
Data updated May 2026
FHWA NBI record, refreshed with each annual release.
Bridge Snapshot: COUNTY ROAD 99W
The COUNTY ROAD 99W bridge in Yolo, California carries COUNTY ROAD 99W over OVERFLOW DITCH. It was built in 1920, making it 106 years old today. It was last reconstructed in 1936, extending its service life. The structure is built primarily of concrete continuous and spans 3 sections, stretching 7.8 meters (26 feet) end to end. Daily traffic averages 1,256 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 culvert 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 24.3 metric tons.
Sourced from the FHWA National Bridge Inventory. See our methodology for refresh cadence and NBI release vintage.
How COUNTY ROAD 99W compares
Live comparison across California.
Historical Sufficiency Rating
PlainBridge-computedFHWA discontinued this calculated item; it does not determine current condition, funding eligibility, posting, or closure. How the historical reference is calculated.
Condition Ratings
Full 0–9 scale + sufficiency-rating breakdown: how condition ratings work.
Structural Details
- Year Built
- 1920
- Last Reconstructed
- 1936
- Material
- Concrete Continuous
- Number of Spans
- 3
- Structure Length
- 7.8 m (26 ft)
- Deck Width
- 12.0 m (39 ft)
- Owner
- County Highway Agency
- Avg Daily Traffic
- 1,256 vehicles/day
- Structure Number
- 22C0052
Location
Data Source
FHWA National Bridge Inventory (NBI).
FHWA NBI Program ↗How to read this record
This page shows what the last federal inspection recorded, not whether COUNTY ROAD 99W 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 COUNTY ROAD 99W against other structures in Yolo 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 COUNTY ROAD 99W?
COUNTY ROAD 99W in Yolo, California on the FHWA's 0–9 scale.
How often is COUNTY ROAD 99W inspected?
COUNTY ROAD 99W'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 1,256 vehicles per day.
What does “structurally deficient” mean in older bridge reports?
FHWA retired that reported status beginning with the 2018 archive. COUNTY ROAD 99W 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 COUNTY ROAD 99W?
COUNTY ROAD 99W has an NBI inventory load rating of 24.3 metric tons.
Who is responsible for maintaining COUNTY ROAD 99W?
COUNTY ROAD 99W is owned and maintained by County Highway Agency.
How old is COUNTY ROAD 99W and does age affect safety?
COUNTY ROAD 99W was built in 1920, making it 106 years old and last reconstructed in 1936.
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.
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.