FHWA NBI 2024 Inspection record Public-domain dataset

Confluence Dr.

Carrying Confluence Dr. over 1st ST and UPRR

0.5 Mi W od SH50, Delta, Colorado

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Good
49 t Inventory load rating

Bridge Snapshot: Confluence Dr.

The Confluence Dr. bridge in Delta, Colorado carries Confluence Dr. over 1st ST and UPRR. It was built in 2013, making it 13 years old today. The structure is built primarily of prestressed concrete continuous and spans 2 sections, stretching 59.8 meters (196 feet) end to end. Daily traffic averages 5,474 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 7/9, 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 48.6 metric tons.

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

How Confluence Dr. compares

▲ 11.5
Load rating vs Colorado average (37.1 t)
Top 15%
Higher load rating than 85% of Colorado bridges
64
Bridges in Delta · 2 in Poor condition
Confluence Dr. 48.6 t
Colorado average 37.1 t

Live comparison across Colorado.

Historical Sufficiency Rating

PlainBridge-computed
99.2 / 100 - historical 80–100 band
Structural adequacy /55
55.0
Serviceability /30
30.0
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 How the historical reference is calculated.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

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

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

Structural Details

Year Built
2013
Material
Prestressed Concrete Continuous
Number of Spans
2
Structure Length
59.8 m (196 ft)
Deck Width
21.0 m (69 ft)
Owner
City/Municipal Highway Agency
Avg Daily Traffic
5,474 vehicles/day
Structure Number
DELTA BYPASS-1

Condition Analysis

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

How to read this record

This page shows what the last federal inspection recorded, not whether Confluence Dr. 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 Confluence Dr. against other structures in Delta 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 Confluence Dr.?

Confluence Dr. in Delta, Colorado has a deck rating of 7/9, superstructure rating of 7/9, and substructure rating of 8/9 on the FHWA's 0–9 scale.

How often is Confluence Dr. inspected?

Confluence Dr.'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 5,474 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. Confluence Dr. 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 Confluence Dr.?

Confluence Dr. has an NBI inventory load rating of 48.6 metric tons.

Who is responsible for maintaining Confluence Dr.?

Confluence Dr. is owned and maintained by City/Municipal Highway Agency.

How old is Confluence Dr. and does age affect safety?

Confluence Dr. was built in 2013, making it 13 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.