S Parker Canyon Rd
Carrying S Parker Canyon Rd over TRIB. TO PARKER LAKE
0.6 mi S/O Lake Marina, Santa Cruz, Arizona
Inventory: FHWA NBI 2024 · last ETL August 2026
FHWA NBI record, refreshed with each annual release.
S Parker Canyon Rd in Santa Cruz, Arizona sits above 73% of rated Arizona bridges on inventory load rating (54 t), while its 1957 build year is earlier than 65% of Santa Cruz's recorded-year cohort (138 bridges).
S Parker Canyon Rd in Santa Cruz, Arizona is rated Fair in the FHWA's 2024 National Bridge Inventory. Built in 1957, it carries 1 rated component on the inspecting agency's 0-9 scale, and its weakest reported component scores 6. The lowest applicable rating sets the federal condition category, so this Fair result describes the weakest reported component rather than the structure as a whole. No NBI category is a closure decision or a live crossing-safety verdict.
NBI record plate
Structure AZ:030503000035955
INTERSTATE-ERA · STEEL · SINGLE-SPAN · CULVERT-LED · LOCAL-ADT · HEAVY-LOAD · CAT-FAIR
- INTERSTATE-ERA 1950–1979
- STEEL Steel
- SINGLE-SPAN Single span
- CULVERT-LED Culvert-led
- LOCAL-ADT Local ADT
- HEAVY-LOAD Heavy load
- CAT-FAIR Fair
Inspection-sheet codes from this record’s year, material family, spans, controlling component, ADT, inventory load, and NBI category, not a live closure verdict.
Bridge Snapshot: S Parker Canyon Rd
The S Parker Canyon Rd bridge in Santa Cruz, Arizona carries S Parker Canyon Rd over TRIB. TO PARKER LAKE. It was built in 1957, making it 69 years old today. The structure is built primarily of steel and spans 1 section, stretching 13.7 meters (45 feet) end to end. Daily traffic averages 100 vehicles, placing it in the lower-traffic tier of Arizona bridges. It is owned and maintained by U.S. Forest Service.
The latest FHWA inspection records show culvert at 6/9. The weakest component sits in fair condition. None of this bridge's reported major components fall into the Poor condition range.
How S Parker Canyon Rd compares
Age against the county: built in 1957, earlier than 90 of Santa Cruz's 138 bridges with a recorded construction year (65%), against a county median build year of 1967. Age is not a defect on its own, but it is the population from which future Poor ratings are drawn.
Live comparison across Arizona bridges with a recorded inventory load rating (8,572 of 8,573 rated).
S Parker Canyon Rd vs every rated Arizona bridge
Inventory load rating (metric tons), FHWA NBI, this state
54 Top 27% higher than 73% of 8,572 bridges
rated Arizona bridges, bucketed by value
Each bar is a band; taller bars hold more bridges. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count and share, and where it sits relative to this entry.
Source FHWA National Bridge Inventory · August 2026
Condition Ratings
Full 0–9 scale + sufficiency-rating breakdown: how condition ratings work.
Santa Cruz inventory by recorded NBI category
Exclusive Good/Fair/Poor bands across all 138 bridges in this county. Orthogonal to this structure's component profile above: a county catalog share, not a live crossing-safety verdict.
Structural Details
- Year Built
- 1957
- Material
- Steel
- Number of Spans
- 1
- Structure Length
- 13.7 m (45 ft) 0
- Owner
- U.S. Forest Service
- Avg Daily Traffic
- 100 vehicles/day
- Structure Number
- 030503000035955
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 S Parker Canyon 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 S Parker Canyon Rd against other structures in Santa Cruz and across Arizona. Arizona 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 S Parker Canyon Rd?
S Parker Canyon Rd in Santa Cruz, Arizona on the FHWA's 0–9 scale.
How often is S Parker Canyon Rd inspected?
S Parker Canyon 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 100 vehicles per day.
What does “structurally deficient” mean in older bridge reports?
FHWA retired that reported status beginning with the 2018 archive. S Parker Canyon 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 S Parker Canyon Rd?
S Parker Canyon Rd has an NBI inventory load rating of 53.5 metric tons.
Who is responsible for maintaining S Parker Canyon Rd?
S Parker Canyon Rd is owned and maintained by U.S. Forest Service.
How old is S Parker Canyon Rd and does age affect safety?
S Parker Canyon Rd was built in 1957, making it 69 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.
Share this inspection record
Send this source-bounded record or download its data card. An NBI condition category is not a closure or live crossing-safety verdict.
Every figure on PlainBridges is rendered directly from federal source data, no number is typed in by an editor. Component ratings, ADT, and condition category on this page are copied from the NBI record for this structure; no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of 2024 NBI release. NBI condition categories reflect the latest reported inventory record, not a live safety, closure, or travel decision.