I 10 Sky Harb Ramp
Carrying I 10 Sky Harb Ramp over 24th St
0.4 mi E of Jct I 10, Maricopa, Arizona
Inventory: FHWA NBI 2024 · last ETL August 2026
FHWA NBI record, refreshed with each annual release.
I 10 Sky Harb Ramp in Maricopa, Arizona sits above 22% of rated Arizona bridges on inventory load rating (33 t), while its 1986 build year is earlier than 65% of Maricopa's recorded-year cohort (2,847 bridges).
I 10 Sky Harb Ramp in Maricopa, Arizona is rated Fair in the FHWA's 2024 National Bridge Inventory. Built in 1986, it carries 3 rated components 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:01987
LATE-CENTURY · PRESTRESS · MULTI-SPAN · DECK-LED · HEAVY-ADT · STANDARD-LOAD · CAT-FAIR
- LATE-CENTURY 1980–1999
- PRESTRESS Prestressed concrete
- MULTI-SPAN 3 spans
- DECK-LED Deck-led
- HEAVY-ADT Heavy ADT
- STANDARD-LOAD Standard 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: I 10 Sky Harb Ramp
The I 10 Sky Harb Ramp bridge in Maricopa, Arizona carries I 10 Sky Harb Ramp over 24th St. It was built in 1986, making it 40 years old today. The structure is built primarily of prestressed concrete continuous and spans 3 sections, stretching 73.2 meters (240 feet) end to end. Daily traffic averages 32,281 vehicles, placing it in the heavily-trafficked tier of Arizona bridges. It is owned and maintained by State Highway Agency.
The latest FHWA inspection records show a deck rating of 6/9, superstructure at 7/9, substructure at 7/9. The weakest component sits in fair condition. None of this bridge's reported major components fall into the Poor condition range.
How I 10 Sky Harb Ramp compares
Age against the county: built in 1986, earlier than 1,839 of Maricopa's 2,847 bridges with a recorded construction year (65%), against a county median build year of 1991. 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).
I 10 Sky Harb Ramp vs every rated Arizona bridge
Inventory load rating (metric tons), FHWA NBI, this state
33 Top 78% higher than 22% 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.
Reported 0–9 component ratings from the FHWA NBI. The highlighted component is the lowest reported input to this record’s current condition category; it is not a closure or live crossing-safety decision.
Maricopa inventory by recorded NBI category
Exclusive Good/Fair/Poor bands across all 2,847 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
- 1986
- Material
- Prestressed Concrete Continuous
- Number of Spans
- 3
- Structure Length
- 73.2 m (240 ft)
- Deck Width
- 22.3 m (73 ft)
- Owner
- State Highway Agency
- Avg Daily Traffic
- 32,281 vehicles/day
- Structure Number
- 01987
Condition Analysis
- • The deck (driving surface) is in fair condition (6/9), with minor deterioration that may require routine maintenance.
- • The superstructure (beams and supports above the deck) is in good condition (7/9), showing no significant deterioration.
- • The substructure (piers and abutments) is in good condition (7/9), showing no significant deterioration.
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 I 10 Sky Harb Ramp 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 I 10 Sky Harb Ramp against other structures in Maricopa 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 I 10 Sky Harb Ramp?
I 10 Sky Harb Ramp in Maricopa, Arizona has a deck rating of 6/9, superstructure rating of 7/9, and substructure rating of 7/9 on the FHWA's 0–9 scale.
How often is I 10 Sky Harb Ramp inspected?
I 10 Sky Harb Ramp'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 32,281 vehicles per day.
What does “structurally deficient” mean in older bridge reports?
FHWA retired that reported status beginning with the 2018 archive. I 10 Sky Harb Ramp 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 I 10 Sky Harb Ramp?
I 10 Sky Harb Ramp has an NBI inventory load rating of 32.7 metric tons.
Who is responsible for maintaining I 10 Sky Harb Ramp?
I 10 Sky Harb Ramp is owned and maintained by State Highway Agency.
How old is I 10 Sky Harb Ramp and does age affect safety?
I 10 Sky Harb Ramp was built in 1986, making it 40 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.