SHADY AV
Carrying SHADY AV over GOLD CANYON CRK
DAYTON, Lyon, Nevada
Data updated May 2026
FHWA NBI record, refreshed with each annual release.
Bridge Snapshot: SHADY AV
The SHADY AV bridge in Lyon, Nevada carries SHADY AV over GOLD CANYON CRK. It was built in 1945, making it 81 years old today. It was last reconstructed in 1986, extending its service life. The structure is built primarily of wood or timber and spans 1 section, stretching 7.0 meters (23 feet) end to end. Daily traffic averages 128 vehicles, placing it in the lower-traffic tier of Nevada bridges. It is owned and maintained by County Highway Agency.
The latest FHWA inspection records show a deck rating of 5/9, superstructure at 1/9, substructure at 6/9. The weakest component sits in critical condition. Because at least one major component scores 4 or lower, this bridge falls in FHWA's Poor condition category. That category is not a closure order.
Sourced from the FHWA National Bridge Inventory. See our methodology for refresh cadence and NBI release vintage.
How SHADY AV compares
Live comparison across Nevada.
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 How the historical reference is calculated.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
- 1945
- Last Reconstructed
- 1986
- Material
- Wood or Timber
- Number of Spans
- 1
- Structure Length
- 7.0 m (23 ft)
- Deck Width
- 5.3 m (17 ft)
- Owner
- County Highway Agency
- Avg Daily Traffic
- 128 vehicles/day
- Structure Number
- B1711
Location
Data Source
FHWA National Bridge Inventory (NBI).
FHWA NBI Program ↗Condition Analysis
- • The deck (driving surface) is in fair condition (5/9), with minor deterioration that may require routine maintenance.
- • The superstructure (beams and supports above the deck) rates critical at 1/9, severe deterioration that needs urgent attention.
- • At 6/9, the substructure (piers and abutments) shows fair condition, with minor wear flagged for upkeep.
How to read this record
SHADY AV is in the federal Poor condition category. That is a component-based result, not a closure order.
- NBI condition ratings reflect the latest record in this annual dataset, not a live status. Current routine inspection intervals are risk-based.
- Understand what Poor condition does and does not mean before drawing conclusions. Poor condition explained
- Compare SHADY AV against other structures in Lyon and across Nevada. Nevada 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 SHADY AV?
SHADY AV in Lyon, Nevada has a deck rating of 5/9, superstructure rating of 1/9, and substructure rating of 6/9 on the FHWA's 0–9 scale.
How often is SHADY AV inspected?
SHADY AV'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 128 vehicles per day.
What does “structurally deficient” mean in older bridge reports?
FHWA retired that reported status beginning with the 2018 archive. SHADY AV is currently shown as Poor condition from its component ratings; that category is not a live closure or safety decision.
What is the inventory load rating for SHADY AV?
An inventory load rating is not recorded for SHADY AV.
Who is responsible for maintaining SHADY AV?
SHADY AV is owned and maintained by County Highway Agency.
How old is SHADY AV and does age affect safety?
SHADY AV was built in 1945, making it 81 years old and last reconstructed in 1986.
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.