FHWA NBI 2024 Inspection record Public-domain dataset

WILD BASIN ROAD

Carrying WILD BASIN ROAD over NORTH ST. VRAIN CREEK

HWY 7 TO WILD BASIN TRAIL, Boulder, Colorado

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Fair
33 t Inventory load rating

Bridge Snapshot: WILD BASIN ROAD

The WILD BASIN ROAD bridge in Boulder, Colorado carries WILD BASIN ROAD over NORTH ST. VRAIN CREEK. It was built in 1982, making it 44 years old today. The structure is built primarily of prestressed concrete and spans 1 section, stretching 8.8 meters (29 feet) end to end. Daily traffic averages 75 vehicles, placing it in the lower-traffic tier of Colorado bridges. It is owned and maintained by National Park Service.

The latest FHWA inspection records show a deck rating of 6/9, superstructure at 7/9, substructure at 6/9. The weakest component sits in fair condition. None of this bridge's reported major components fall into the Poor condition range. Its NBI inventory load rating is 32.7 metric tons.

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

How WILD BASIN ROAD compares

▼ 4.4
Load rating vs Colorado average (37.1 t)
Bottom 42%
Lower load rating than 58% of Colorado bridges
311
Bridges in Boulder · 7 in Poor condition
WILD BASIN ROAD 32.7 t
Colorado average 37.1 t

Live comparison across Colorado.

Historical Sufficiency Rating

PlainBridge-computed
83.0 / 100 - historical 80–100 band
Structural adequacy /55
55.0
Serviceability /30
15.0
Essentiality /15
15.0
Special reductions
−2.0

FHWA discontinued this calculated item; it does not determine current condition, funding eligibility, posting, or closure. How the historical reference is calculated.

Condition Ratings

Deck
6/9
Fair (5–6)
Superstructure
7/9
Good (7–9)
Substructure
6/9
Fair (5–6)
Inventory Load Rating
32.7 t
NBI inventory level (metric tons)
Overall Condition
Fair

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

Structural Details

Year Built
1982
Material
Prestressed Concrete
Number of Spans
1
Structure Length
8.8 m (29 ft)
Deck Width
5.5 m (18 ft)
Owner
National Park Service
Avg Daily Traffic
75 vehicles/day
Structure Number
1520011P0000000

Condition Analysis

  • The deck (driving surface) is in fair condition (6/9), with minor deterioration that may require routine maintenance.
  • The superstructure (beams and supports above the deck) is in good condition (7/9), showing no significant deterioration.
  • The substructure (piers and abutments) rates fair at 6/9, minor deterioration that routine maintenance should address.

How to read this record

This page shows what the last federal inspection recorded, not whether WILD BASIN 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 WILD BASIN ROAD 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 WILD BASIN ROAD?

WILD BASIN ROAD in Boulder, Colorado has a deck rating of 6/9, superstructure rating of 7/9, and substructure rating of 6/9 on the FHWA's 0–9 scale.

How often is WILD BASIN ROAD inspected?

WILD BASIN 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 75 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. WILD BASIN ROAD 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 WILD BASIN ROAD?

WILD BASIN ROAD has an NBI inventory load rating of 32.7 metric tons.

Who is responsible for maintaining WILD BASIN ROAD?

WILD BASIN ROAD is owned and maintained by National Park Service.

How old is WILD BASIN ROAD and does age affect safety?

WILD BASIN ROAD was built in 1982, making it 44 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.