FHWA NBI 2024 Inspection record Public-domain dataset

Airport Rd

Carrying Airport Rd over Coal Creek

N. Airport Rd., Iron, Utah

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Fair
28 t Inventory load rating

Bridge Snapshot: Airport Rd

The Airport Rd bridge in Iron, Utah carries Airport Rd over Coal Creek. It was built in 2007, making it 19 years old today. The structure is built primarily of concrete and spans 2 sections, stretching 10.1 meters (33 feet) end to end. Daily traffic averages 7,759 vehicles, placing it in the moderately-trafficked tier of Utah 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. All reported major components score above the Poor range. Its NBI inventory load rating is 27.5 metric tons.

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

How Airport Rd compares

▼ 9.3
Load rating vs Utah average (36.8 t)
Bottom 32%
Lower load rating than 68% of Utah bridges
70
Bridges in Iron · 1 in Poor condition
Airport Rd 27.5 t
Utah average 36.8 t

Live comparison across Utah.

Historical Sufficiency Rating

PlainBridge-computed
81.5 / 100 - historical 80–100 band
Structural adequacy /55
51.5
Serviceability /30
15.0
Essentiality /15
15.0
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 How the historical reference is calculated.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

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

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

Structural Details

Year Built
2007
Material
Concrete
Number of Spans
2
Structure Length
10.1 m (33 ft)
Owner
City/Municipal Highway Agency
Avg Daily Traffic
7,759 vehicles/day
Structure Number
021021E

How to read this record

This page shows what the last federal inspection recorded, not whether Airport Rd 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 Airport Rd 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 Airport Rd?

Airport Rd in Iron, Utah on the FHWA's 0–9 scale.

How often is Airport Rd inspected?

Airport Rd'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 7,759 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. Airport Rd 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 Airport Rd?

Airport Rd has an NBI inventory load rating of 27.5 metric tons.

Who is responsible for maintaining Airport Rd?

Airport Rd is owned and maintained by City/Municipal Highway Agency.

How old is Airport Rd and does age affect safety?

Airport Rd was built in 2007, making it 19 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.