County Rd 2311
Carrying County Rd 2311 over San Francisco River
0.3 mi S Jct US 180, Apache, Arizona
Inventory: FHWA NBI 2024 · last ETL August 2026
FHWA NBI record, refreshed with each annual release.
County Rd 2311 in Apache, Arizona sits above 11% of rated Arizona bridges on inventory load rating (30 t), while its 1988 build year is earlier than 23% of Apache's recorded-year cohort (259 bridges).
County Rd 2311 in Apache, Arizona is rated Good in the FHWA's 2024 National Bridge Inventory. Built in 1988, it carries 1 rated component 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:07731
LATE-CENTURY · STEEL · MULTI-SPAN · CULVERT-LED · LOCAL-ADT · STANDARD-LOAD · CAT-GOOD
- LATE-CENTURY 1980–1999
- STEEL Steel
- MULTI-SPAN 3 spans
- CULVERT-LED Culvert-led
- LOCAL-ADT Local ADT
- STANDARD-LOAD Standard 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.
Structural health score
A composite of the deck, superstructure, and substructure NBI condition ratings plus the inventory load rating, benchmarked against the full national bridge corpus, distinct from the Good/Fair/Poor category above.
Bridge Snapshot: County Rd 2311
The County Rd 2311 bridge in Apache, Arizona carries County Rd 2311 over San Francisco River. It was built in 1988, making it 38 years old today. The structure is built primarily of steel and spans 3 sections, stretching 6.4 meters (21 feet) end to end. Daily traffic averages 325 vehicles, placing it in the lower-traffic tier of Arizona bridges. It is owned and maintained by County Highway Agency.
The latest FHWA inspection places the weakest component in good condition (see the full component ratings below). None of this bridge's reported major components fall into the Poor condition range.
How County Rd 2311 compares
Age against the county: built in 1988, earlier than 59 of Apache's 259 bridges with a recorded construction year (23%), against a county median build year of 1970. 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).
County Rd 2311 vs every rated Arizona bridge
Inventory load rating (metric tons), FHWA NBI, this state
30 Top 89% higher than 11% 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.
Apache inventory by recorded NBI category
Exclusive Good/Fair/Poor bands across all 259 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
- 1988
- Material
- Steel
- Number of Spans
- 3
- Structure Length
- 6.4 m (21 ft)
- Deck Width
- 12.2 m (40 ft)
- Owner
- County Highway Agency
- Avg Daily Traffic
- 325 vehicles/day
- Structure Number
- 07731
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 County Rd 2311 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 County Rd 2311 against other structures in Apache 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 County Rd 2311?
County Rd 2311 in Apache, Arizona on the FHWA's 0–9 scale.
How often is County Rd 2311 inspected?
County Rd 2311'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 325 vehicles per day.
What does “structurally deficient” mean in older bridge reports?
FHWA retired that reported status beginning with the 2018 archive. County Rd 2311 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 County Rd 2311?
County Rd 2311 has an NBI inventory load rating of 29.9 metric tons.
Who is responsible for maintaining County Rd 2311?
County Rd 2311 is owned and maintained by County Highway Agency.
How old is County Rd 2311 and does age affect safety?
County Rd 2311 was built in 1988, making it 38 years old.
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.