Tuthill Rd
Carrying Tuthill Rd over Gila River
0.5 mi S/ Beloat Rd, Maricopa, Arizona
Data updated May 2026
FHWA NBI record, refreshed with each annual release.
Bridge Snapshot: Tuthill Rd
The Tuthill Rd bridge in Maricopa, Arizona carries Tuthill Rd over Gila River. It was built in 1981, making it 45 years old today. The structure is built primarily of prestressed concrete continuous and spans 15 sections, stretching 539.5 meters (1770 feet) end to end. Daily traffic averages 8,465 vehicles, placing it in the moderately-trafficked tier of Arizona bridges. It is owned and maintained by County Highway Agency.
The latest FHWA inspection records show a deck rating of 7/9, superstructure at 7/9, substructure at 7/9. The weakest component sits in good condition. No reported major component scores in the Poor range under the current federal condition thresholds. Its NBI inventory load rating is 36.6 metric tons.
Sourced from the FHWA National Bridge Inventory. See our methodology for refresh cadence and NBI release vintage.
How Tuthill Rd compares
Live comparison across Arizona.
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 How the historical reference is calculated.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
- 1981
- Material
- Prestressed Concrete Continuous
- Number of Spans
- 15
- Structure Length
- 539.5 m (1770 ft)
- Deck Width
- 11.9 m (39 ft)
- Owner
- County Highway Agency
- Avg Daily Traffic
- 8,465 vehicles/day
- Structure Number
- 08584
Location
Data Source
FHWA National Bridge Inventory (NBI).
FHWA NBI Program ↗Condition Analysis
- • The deck (driving surface) rates good at 7/9, with no significant deterioration on file.
- • The superstructure (beams and supports above the deck) rates good at 7/9, with no significant deterioration on file.
- • The substructure (piers and abutments) rates good at 7/9, with no significant deterioration on file.
How to read this record
This page shows what the last federal inspection recorded, not whether Tuthill 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 Tuthill Rd 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 Tuthill Rd?
Tuthill Rd in Maricopa, Arizona has a deck rating of 7/9, superstructure rating of 7/9, and substructure rating of 7/9 on the FHWA's 0–9 scale.
How often is Tuthill Rd inspected?
Tuthill 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 8,465 vehicles per day.
What does “structurally deficient” mean in older bridge reports?
FHWA retired that reported status beginning with the 2018 archive. Tuthill Rd 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 Tuthill Rd?
Tuthill Rd has an NBI inventory load rating of 36.6 metric tons.
Who is responsible for maintaining Tuthill Rd?
Tuthill Rd is owned and maintained by County Highway Agency.
How old is Tuthill Rd and does age affect safety?
Tuthill Rd was built in 1981, making it 45 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.
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.