FHWA NBI 2024 Inspection record Public-domain dataset

O&M Service Road

Carrying O&M Service Road over GGMC STA 282+36 Wasteway

13 miles NE of Yuma, Yuma, Arizona

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Good
100 t Inventory load rating

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. Its NBI inventory load rating is 99.9 metric tons.

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

How O&M Service Road compares

▲ 52.5
Load rating vs Arizona average (47.4 t)
Top 1%
Higher load rating than 99% of Arizona bridges
176
Bridges in Yuma · 3 in Poor condition
O&M Service Road 99.9 t
Arizona average 47.4 t

Live comparison across Arizona.

Historical Sufficiency Rating

PlainBridge-computed
97.9 / 100 - historical 80–100 band
Structural adequacy /55
55.0
Serviceability /30
28.0
Essentiality /15
14.9
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 How the historical reference is calculated.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

Culvert
7/9
Good (7–9)
Inventory Load Rating
99.9 t
NBI inventory level (metric tons)
Overall Condition
Good

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

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

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.

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.