Interlocken Loop
Carrying Interlocken Loop over Pedestrian Underpass
125 Ft. N of Eldorado, Broomfield, Colorado
Data updated May 2026
FHWA NBI record, refreshed with each annual release.
Bridge Snapshot: Interlocken Loop
The Interlocken Loop bridge in Broomfield, Colorado carries Interlocken Loop over Pedestrian Underpass. It was built in 1999, making it 27 years old today. The structure is built primarily of concrete and spans 1 section, stretching 7.3 meters (24 feet) end to end. Daily traffic averages 12,139 vehicles, placing it in the heavily-trafficked tier of Colorado bridges. It is owned and maintained by City/Municipal Highway Agency.
The latest FHWA inspection records show culvert at 6/9. The weakest component sits in fair 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 Interlocken Loop compares
Live comparison across Colorado.
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 How the historical reference is calculated.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
- 1999
- Material
- Concrete
- Number of Spans
- 1
- Structure Length
- 7.3 m (24 ft)
- Deck Width
- 38.4 m (126 ft)
- Owner
- City/Municipal Highway Agency
- Avg Daily Traffic
- 12,139 vehicles/day
- Structure Number
- BFD-INTL-ELDOR
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 Interlocken Loop 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 Interlocken Loop against other structures in Broomfield and across Colorado. Colorado 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 Interlocken Loop?
Interlocken Loop in Broomfield, Colorado on the FHWA's 0–9 scale.
How often is Interlocken Loop inspected?
Interlocken Loop'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 12,139 vehicles per day.
What does “structurally deficient” mean in older bridge reports?
FHWA retired that reported status beginning with the 2018 archive. Interlocken Loop 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 Interlocken Loop?
Interlocken Loop has an NBI inventory load rating of 99.9 metric tons.
Who is responsible for maintaining Interlocken Loop?
Interlocken Loop is owned and maintained by City/Municipal Highway Agency.
How old is Interlocken Loop and does age affect safety?
Interlocken Loop was built in 1999, making it 27 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.