East Frontage Road
Carrying East Frontage Road over Ramp E to S
4.42 E Jct I 10 & US 60, Maricopa, Arizona
Inventory: FHWA NBI 2024 · last ETL August 2026
FHWA NBI record, refreshed with each annual release.
East Frontage Road in Maricopa, Arizona sits above 65% of rated Arizona bridges on inventory load rating (45 t), while its 1994 build year is earlier than 46% of Maricopa's recorded-year cohort (2,847 bridges).
East Frontage Road in Maricopa, Arizona is rated Good in the FHWA's 2024 National Bridge Inventory. Built in 1994, it carries 3 rated components on the inspecting agency's 0-9 scale, and its weakest reported component scores 7. The lowest applicable rating sets the federal condition category, so this Good 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:02108
LATE-CENTURY · PRESTRESS · MULTI-SPAN · TIED-CTRL · ARTERIAL-ADT · HEAVY-LOAD · CAT-GOOD
- LATE-CENTURY 1980–1999
- PRESTRESS Prestressed concrete
- MULTI-SPAN 3 spans
- TIED-CTRL Tied control
- ARTERIAL-ADT Arterial ADT
- HEAVY-LOAD Heavy load
- CAT-GOOD Good
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: East Frontage Road
The East Frontage Road bridge in Maricopa, Arizona carries East Frontage Road over Ramp E to S. It was built in 1994, making it 32 years old today. The structure is built primarily of prestressed concrete continuous and spans 3 sections, stretching 95.7 meters (314 feet) end to end. Daily traffic averages 9,813 vehicles, placing it in the moderately-trafficked tier of Arizona bridges. It is owned and maintained by State Highway Agency.
The latest FHWA inspection records show a deck rating of 7/9, superstructure at 8/9, 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.
How East Frontage Road compares
Age against the county: built in 1994, earlier than 1,310 of Maricopa's 2,847 bridges with a recorded construction year (46%), against a county median build year of 1991. This is one of the newer structures in its county.
Live comparison across Arizona bridges with a recorded inventory load rating (8,572 of 8,573 rated).
East Frontage Road vs every rated Arizona bridge
Inventory load rating (metric tons), FHWA NBI, this state
45 Top 35% higher than 65% 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
- 1994
- Material
- Prestressed Concrete Continuous
- Number of Spans
- 3
- Structure Length
- 95.7 m (314 ft)
- Deck Width
- 12.1 m (40 ft)
- Owner
- State Highway Agency
- Avg Daily Traffic
- 9,813 vehicles/day
- Structure Number
- 02108
Condition Analysis
- • The deck (driving surface) is in good condition (7/9), showing no significant deterioration.
- • The superstructure (beams and supports above the deck) is in good condition (8/9), showing no significant deterioration.
- • At 7/9, the substructure (piers and abutments) is in good shape and shows no significant wear.
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 East Frontage Road 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 East Frontage Road 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 East Frontage Road?
East Frontage Road in Maricopa, Arizona has a deck rating of 7/9, superstructure rating of 8/9, and substructure rating of 7/9 on the FHWA's 0–9 scale.
How often is East Frontage Road inspected?
East Frontage Road'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 9,813 vehicles per day.
What does “structurally deficient” mean in older bridge reports?
FHWA retired that reported status beginning with the 2018 archive. East Frontage Road 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 East Frontage Road?
East Frontage Road has an NBI inventory load rating of 44.5 metric tons.
Who is responsible for maintaining East Frontage Road?
East Frontage Road is owned and maintained by State Highway Agency.
How old is East Frontage Road and does age affect safety?
East Frontage Road was built in 1994, making it 32 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.