FHWA NBI 2024 Inspection record Public-domain dataset

First Avenue

Carrying First Avenue over Canada Del Oro Wash

0.2 mi NW Jct SR 77, Pima, Arizona

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Fair
48 t Inventory load rating

Bridge Snapshot: First Avenue

The First Avenue bridge in Pima, Arizona carries First Avenue over Canada Del Oro Wash. It was built in 2006, making it 20 years old today. The structure is built primarily of prestressed concrete continuous and spans 7 sections, stretching 214.3 meters (703 feet) end to end. Daily traffic averages 9,694 vehicles, placing it in the moderately-trafficked tier of Arizona bridges. It is owned and maintained by Town/Township Highway Agency.

The latest FHWA inspection records show a deck rating of 6/9, superstructure at 8/9, 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. Its NBI inventory load rating is 48.1 metric tons.

Sourced from the FHWA National Bridge Inventory. See our methodology for refresh cadence and NBI release vintage.

How First Avenue compares

▲ 0.7
Load rating vs Arizona average (47.4 t)
Top 31%
Higher load rating than 69% of Arizona bridges
864
Bridges in Pima · 8 in Poor condition
First Avenue 48.1 t
Arizona average 47.4 t

Live comparison across Arizona.

Historical Sufficiency Rating

PlainBridge-computed
98.1 / 100 - historical 80–100 band
Structural adequacy /55
55.0
Serviceability /30
29.0
Essentiality /15
14.1
Special reductions
0

FHWA discontinued this calculated item; it does not determine current condition, funding eligibility, posting, or closure. How the historical reference is calculated.

Condition Ratings

Deck
6/9
Fair (5–6)
Superstructure
8/9
Good (7–9)
Substructure
7/9
Good (7–9)
Inventory Load Rating
48.1 t
NBI inventory level (metric tons)
Overall Condition
Fair

Full 0–9 scale + sufficiency-rating breakdown: how condition ratings work.

Structural Details

Year Built
2006
Material
Prestressed Concrete Continuous
Number of Spans
7
Structure Length
214.3 m (703 ft)
Deck Width
14.3 m (47 ft)
Owner
Town/Township Highway Agency
Avg Daily Traffic
9,694 vehicles/day
Structure Number
10427

Condition Analysis

  • At 6/9, the deck (driving surface) shows fair condition, with minor wear flagged for upkeep.
  • At 8/9, the superstructure (beams and supports above the deck) is in good shape and shows no significant wear.
  • At 7/9, the substructure (piers and abutments) is in good shape and shows no significant wear.

How to read this record

This page shows what the last federal inspection recorded, not whether First Avenue 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 First Avenue against other structures in Pima 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 First Avenue?

First Avenue in Pima, Arizona has a deck rating of 6/9, superstructure rating of 8/9, and substructure rating of 7/9 on the FHWA's 0–9 scale.

How often is First Avenue inspected?

First Avenue'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 9,694 vehicles per day.

What does “structurally deficient” mean in older bridge reports?

FHWA retired that reported status beginning with the 2018 archive. First Avenue 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 First Avenue?

First Avenue has an NBI inventory load rating of 48.1 metric tons.

Who is responsible for maintaining First Avenue?

First Avenue is owned and maintained by Town/Township Highway Agency.

How old is First Avenue and does age affect safety?

First Avenue was built in 2006, making it 20 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.

Data sourced from the Federal Highway Administration National Bridge Inventory. See our methodology for details. Retrieved and formatted by PlainBridges

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.