FHWA NBI 2024 Inspection record Public-domain dataset

WB US 36 ON RAMP

Carrying WB US 36 ON RAMP over WB BUS RAMP/BIKE PATH

MCCASLIN and US 36, Boulder, Colorado

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Unknown

Bridge Snapshot: WB US 36 ON RAMP

The WB US 36 ON RAMP bridge in Boulder, Colorado carries WB US 36 ON RAMP over WB BUS RAMP/BIKE PATH. It was built in 2016, making it 10 years old today. The structure is built primarily of prestressed concrete. Average daily traffic is not reported for this structure.

The latest FHWA inspection records show limited component ratings on file. The weakest component sits in unrated condition. None of this bridge's reported major components fall into the Poor condition range.

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

How WB US 36 ON RAMP compares

311
Bridges in Boulder · 7 in Poor condition

Live comparison across Colorado.

Historical Sufficiency Rating

PlainBridge-computed
95.2 / 100 - historical 80–100 band
Structural adequacy /55
55.0
Serviceability /30
26.0
Essentiality /15
14.2
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 How the historical reference is calculated.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

Overall Condition
Unrated

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

Structural Details

Year Built
2016
Material
Prestressed Concrete
Structure Number
E-16-ZI

How to read this record

This page shows what the last federal inspection recorded, not whether WB US 36 ON RAMP 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 WB US 36 ON RAMP against other structures in Boulder 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 WB US 36 ON RAMP?

WB US 36 ON RAMP in Boulder, Colorado on the FHWA's 0–9 scale.

How often is WB US 36 ON RAMP inspected?

WB US 36 ON RAMP's responsible agency sets its routine interval under FHWA's risk-based inspection rules; this page does not expose the scheduled interval.

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

FHWA retired that reported status beginning with the 2018 archive. WB US 36 ON RAMP is currently shown as unrated condition from its component ratings; that category is not a live closure or safety decision.

What is the inventory load rating for WB US 36 ON RAMP?

An inventory load rating is not recorded for WB US 36 ON RAMP.

Who is responsible for maintaining WB US 36 ON RAMP?

Ownership is not specified for WB US 36 ON RAMP in the NBI.

How old is WB US 36 ON RAMP and does age affect safety?

WB US 36 ON RAMP was built in 2016, making it 10 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.