FHWA NBI 2024 Inspection record Public-domain dataset

N. Wilson Avenue

Carrying N. Wilson Avenue over Big Thompson River

0.45 Mi N of W. 1st St., Larimer, Colorado

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Good
52 t Inventory load rating

Bridge Snapshot: N. Wilson Avenue

The N. Wilson Avenue bridge in Larimer, Colorado carries N. Wilson Avenue over Big Thompson River. It was built in 1999, making it 27 years old today. The structure is built primarily of prestressed concrete continuous and spans 2 sections, stretching 49.6 meters (163 feet) end to end. Daily traffic averages 8,814 vehicles, placing it in the moderately-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 7/9, superstructure at 8/9, substructure at 8/9. The weakest component sits in good condition. All reported major components score above the Poor range. Its NBI inventory load rating is 51.5 metric tons.

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

How N. Wilson Avenue compares

▲ 14.4
Load rating vs Colorado average (37.1 t)
Top 13%
Higher load rating than 87% of Colorado bridges
559
Bridges in Larimer · 11 in Poor condition
N. Wilson Avenue 51.5 t
Colorado average 37.1 t

Live comparison across Colorado.

Historical Sufficiency Rating

PlainBridge-computed
82.0 / 100 - historical 80–100 band
Structural adequacy /55
55.0
Serviceability /30
13.0
Essentiality /15
14.0
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 How the historical reference is calculated.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

Deck
7/9
Good (7–9)
Superstructure
8/9
Good (7–9)
Substructure
8/9
Good (7–9)
Inventory Load Rating
51.5 t
NBI inventory level (metric tons)
Overall Condition
Good

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

Structural Details

Year Built
1999
Material
Prestressed Concrete Continuous
Number of Spans
2
Structure Length
49.6 m (163 ft)
Deck Width
20.3 m (67 ft)
Owner
City/Municipal Highway Agency
Avg Daily Traffic
8,814 vehicles/day
Structure Number
LOV640NWILAVE-A

Condition Analysis

  • The deck (driving surface) rates good at 7/9, with no significant deterioration on file.
  • The superstructure (beams and supports above the deck) is in good condition (8/9), showing no significant deterioration.
  • The substructure (piers and abutments) rates good at 8/9, with no significant deterioration on file.

How to read this record

This page shows what the last federal inspection recorded, not whether N. Wilson Avenue 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 N. Wilson Avenue against other structures in Larimer 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 N. Wilson Avenue?

N. Wilson Avenue in Larimer, Colorado has a deck rating of 7/9, superstructure rating of 8/9, and substructure rating of 8/9 on the FHWA's 0–9 scale.

How often is N. Wilson Avenue inspected?

N. Wilson Avenue'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 8,814 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. N. Wilson Avenue 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 N. Wilson Avenue?

N. Wilson Avenue has an NBI inventory load rating of 51.5 metric tons.

Who is responsible for maintaining N. Wilson Avenue?

N. Wilson Avenue is owned and maintained by City/Municipal Highway Agency.

How old is N. Wilson Avenue and does age affect safety?

N. Wilson Avenue 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.

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.