S. Pratt Parkway
Carrying S. Pratt Parkway over St Vrain Creek
250 Ft S of Boston Ave, Boulder, Colorado
Data updated May 2026
FHWA NBI record, refreshed with each annual release.
Bridge Snapshot: S. Pratt Parkway
The S. Pratt Parkway bridge in Boulder, Colorado carries S. Pratt Parkway over St Vrain Creek. It was built in 2019, making it 7 years old today. The structure is built primarily of prestressed concrete continuous and spans 3 sections, stretching 74.0 meters (243 feet) end to end. Daily traffic averages 12,909 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 a deck rating of 8/9, superstructure at 8/9, substructure at 8/9. 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 21.1 metric tons.
Sourced from the FHWA National Bridge Inventory. See our methodology for refresh cadence and NBI release vintage.
How S. Pratt Parkway 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 How the historical reference is calculated.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
- 2019
- Material
- Prestressed Concrete Continuous
- Number of Spans
- 3
- Structure Length
- 74.0 m (243 ft)
- Deck Width
- 26.8 m (88 ft)
- Owner
- City/Municipal Highway Agency
- Avg Daily Traffic
- 12,909 vehicles/day
- Structure Number
- LONG-PRAPK-BOSA
Location
Data Source
FHWA National Bridge Inventory (NBI).
FHWA NBI Program ↗Condition Analysis
- • At 8/9, the deck (driving surface) is in good shape and shows no significant wear.
- • The superstructure (beams and supports above the deck) rates good at 8/9, with no significant deterioration on file.
- • The substructure (piers and abutments) is in good condition (8/9), showing no significant deterioration.
How to read this record
This page shows what the last federal inspection recorded, not whether S. Pratt Parkway 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 S. Pratt Parkway 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 S. Pratt Parkway?
S. Pratt Parkway in Boulder, Colorado has a deck rating of 8/9, superstructure rating of 8/9, and substructure rating of 8/9 on the FHWA's 0–9 scale.
How often is S. Pratt Parkway inspected?
S. Pratt Parkway'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 12,909 vehicles per day.
What does “structurally deficient” mean in older bridge reports?
FHWA retired that reported status beginning with the 2018 archive. S. Pratt Parkway 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 S. Pratt Parkway?
S. Pratt Parkway has an NBI inventory load rating of 21.1 metric tons.
Who is responsible for maintaining S. Pratt Parkway?
S. Pratt Parkway is owned and maintained by City/Municipal Highway Agency.
How old is S. Pratt Parkway and does age affect safety?
S. Pratt Parkway was built in 2019, making it 7 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.