O&M Service Road
Carrying O&M Service Road over GGMC STA 282+36 Wasteway
13 miles NE of Yuma, Yuma, Arizona
Inventory: FHWA NBI 2024 · last ETL August 2026
FHWA NBI record, refreshed with each annual release.
O&M Service Road in Yuma, Arizona sits above 99% of rated Arizona bridges on inventory load rating (100 t), while its 1937 build year is earlier than 89% of Yuma's recorded-year cohort (262 bridges).
O&M Service Road in Yuma, Arizona is rated Good in the FHWA's 2024 National Bridge Inventory. Built in 1937, 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:0304-0104
PRE-1950 · CONCRETE · MULTI-SPAN · CULVERT-LED · TRACE-ADT · HEAVY-LOAD · CAT-GOOD
- PRE-1950 Pre-1950
- CONCRETE Concrete
- MULTI-SPAN 2 spans
- CULVERT-LED Culvert-led
- TRACE-ADT Trace 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: O&M Service Road
The O&M Service Road bridge in Yuma, Arizona carries O&M Service Road over GGMC STA 282+36 Wasteway. It was built in 1937, making it 89 years old today. The structure is built primarily of concrete continuous and spans 2 sections, stretching 12.2 meters (40 feet) end to end. Daily traffic averages 30 vehicles, placing it in the lower-traffic tier of Arizona bridges. It is owned and maintained by Bureau of Reclamation.
The latest FHWA inspection records show culvert 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.
How O&M Service Road compares
Age against the county: built in 1937, earlier than 234 of Yuma's 262 bridges with a recorded construction year (89%), against a county median build year of 1968. 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).
O&M Service Road vs every rated Arizona bridge
Inventory load rating (metric tons), FHWA NBI, this state
100 Top 1% higher than 99% 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.
Yuma inventory by recorded NBI category
Exclusive Good/Fair/Poor bands across all 262 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
- 1937
- Material
- Concrete Continuous
- Number of Spans
- 2
- Structure Length
- 12.2 m (40 ft)
- Deck Width
- 6.4 m (21 ft)
- Owner
- Bureau of Reclamation
- Avg Daily Traffic
- 30 vehicles/day
- Structure Number
- 0304-0104
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 O&M Service 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 O&M Service Road against other structures in Yuma 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 O&M Service Road?
O&M Service Road in Yuma, Arizona on the FHWA's 0–9 scale.
How often is O&M Service Road inspected?
O&M Service 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 30 vehicles per day.
What does “structurally deficient” mean in older bridge reports?
FHWA retired that reported status beginning with the 2018 archive. O&M Service 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 O&M Service Road?
O&M Service Road has an NBI inventory load rating of 99.9 metric tons.
Who is responsible for maintaining O&M Service Road?
O&M Service Road is owned and maintained by Bureau of Reclamation.
How old is O&M Service Road and does age affect safety?
O&M Service Road was built in 1937, making it 89 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.