FHWA NBI 2024 Inspection record Public-domain dataset

CO.RD.-BIG FIELDS

Carrying CO.RD.-BIG FIELDS over I-15 (SR-15) NBL AND SBL

2.1 MI.NO.NO.PAROWAN INT., Iron, Utah

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Unknown

Bridge Snapshot: CO.RD.-BIG FIELDS

The CO.RD.-BIG FIELDS bridge in Iron, Utah carries CO.RD.-BIG FIELDS over I-15 (SR-15) NBL AND SBL. It was built in 1973, making it 53 years old today. The structure is built primarily of concrete continuous. Daily traffic averages 18,265 vehicles, placing it in the heavily-trafficked tier of Utah bridges.

The latest FHWA inspection records show limited component ratings on file. The weakest component sits in unrated condition. No reported major component scores in the Poor range under the current federal condition thresholds.

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

How CO.RD.-BIG FIELDS compares

70
Bridges in Iron · 1 in Poor condition

Live comparison across Utah.

Historical Sufficiency Rating

PlainBridge-computed
85.7 / 100 - historical 80–100 band
Structural adequacy /55
47.9
Serviceability /30
30.0
Essentiality /15
13.8
Special reductions
−6.0

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 How the historical reference is calculated.

Condition Ratings

Overall Condition
Unrated

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

Structural Details

Year Built
1973
Material
Concrete Continuous
Avg Daily Traffic
18,265 vehicles/day
Structure Number
0P 2

How to read this record

This page shows what the last federal inspection recorded, not whether CO.RD.-BIG FIELDS 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 CO.RD.-BIG FIELDS against other structures in Iron and across Utah. Utah 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 CO.RD.-BIG FIELDS?

CO.RD.-BIG FIELDS in Iron, Utah on the FHWA's 0–9 scale.

How often is CO.RD.-BIG FIELDS inspected?

CO.RD.-BIG FIELDS'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 18,265 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. CO.RD.-BIG FIELDS is currently shown as unrated condition from its component ratings; that category is not a live closure or safety decision.

What is the inventory load rating for CO.RD.-BIG FIELDS?

An inventory load rating is not recorded for CO.RD.-BIG FIELDS.

Who is responsible for maintaining CO.RD.-BIG FIELDS?

Ownership is not specified for CO.RD.-BIG FIELDS in the NBI.

How old is CO.RD.-BIG FIELDS and does age affect safety?

CO.RD.-BIG FIELDS was built in 1973, making it 53 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.