FHWA NBI 2024 Inspection record Public-domain dataset

IRVING ST

Carrying IRVING ST over SANDERSON GULCH

BTWN IOWA AND MEXICO, Denver, Colorado

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Fair
29 t Inventory load rating

Bridge Snapshot: IRVING ST

The IRVING ST bridge in Denver, Colorado carries IRVING ST over SANDERSON GULCH. It was built in 1967, making it 59 years old today. The structure is built primarily of concrete and spans 2 sections, stretching 6.4 meters (21 feet) end to end. Daily traffic averages 5,723 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 culvert 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 29.2 metric tons.

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

How IRVING ST compares

▼ 7.9
Load rating vs Colorado average (37.1 t)
Bottom 31%
Lower load rating than 69% of Colorado bridges
458
Bridges in Denver · 3 in Poor condition
IRVING ST 29.2 t
Colorado average 37.1 t

Live comparison across Colorado.

Historical Sufficiency Rating

PlainBridge-computed
93.6 / 100 - historical 80–100 band
Structural adequacy /55
53.1
Serviceability /30
29.0
Essentiality /15
14.4
Special reductions
−3.0

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 How the historical reference is calculated.

Condition Ratings

Culvert
6/9
Fair (5–6)
Inventory Load Rating
29.2 t
NBI inventory level (metric tons)
Overall Condition
Fair

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

Structural Details

Year Built
1967
Material
Concrete
Number of Spans
2
Structure Length
6.4 m (21 ft)
Deck Width
21.9 m (72 ft)
Owner
City/Municipal Highway Agency
Avg Daily Traffic
5,723 vehicles/day
Structure Number
D-12-SG-090

How to read this record

This page shows what the last federal inspection recorded, not whether IRVING ST 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 IRVING ST against other structures in Denver 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 IRVING ST?

IRVING ST in Denver, Colorado on the FHWA's 0–9 scale.

How often is IRVING ST inspected?

IRVING ST'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 5,723 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. IRVING ST 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 IRVING ST?

IRVING ST has an NBI inventory load rating of 29.2 metric tons.

Who is responsible for maintaining IRVING ST?

IRVING ST is owned and maintained by City/Municipal Highway Agency.

How old is IRVING ST and does age affect safety?

IRVING ST was built in 1967, making it 59 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.