FHWA NBI 2024 Inspection record Public-domain dataset

Coal Creek Rd

Carrying Coal Creek Rd over Coal Creek

940 N. 400 W., Iron, Utah

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Fair
54 t Inventory load rating

Bridge Snapshot: Coal Creek Rd

The Coal Creek Rd bridge in Iron, Utah carries Coal Creek Rd over Coal Creek. It was built in 2016, making it 10 years old today. The structure is built primarily of concrete and spans 1 section, stretching 9.8 meters (32 feet) end to end. Daily traffic averages 5,878 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 a deck rating of 7/9, superstructure at 7/9, substructure 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 54.4 metric tons.

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

How Coal Creek Rd compares

▲ 17.6
Load rating vs Utah average (36.8 t)
Top 13%
Higher load rating than 87% of Utah bridges
70
Bridges in Iron · 1 in Poor condition
Coal Creek Rd 54.4 t
Utah average 36.8 t

Live comparison across Utah.

Historical Sufficiency Rating

PlainBridge-computed
98.9 / 100 - historical 80–100 band
Structural adequacy /55
55.0
Serviceability /30
30.0
Essentiality /15
13.9
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 How the historical reference is calculated.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
6/9
Fair (5–6)
Inventory Load Rating
54.4 t
NBI inventory level (metric tons)
Overall Condition
Fair

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

Structural Details

Year Built
2016
Material
Concrete
Number of Spans
1
Structure Length
9.8 m (32 ft)
Deck Width
31.7 m (104 ft)
Owner
City/Municipal Highway Agency
Avg Daily Traffic
5,878 vehicles/day
Structure Number
021019D

Condition Analysis

  • The deck (driving surface) is in good condition (7/9), showing no significant deterioration.
  • At 7/9, the superstructure (beams and supports above the deck) is in good shape and shows no significant wear.
  • The substructure (piers and abutments) rates fair at 6/9, minor deterioration that routine maintenance should address.

How to read this record

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

Coal Creek Rd in Iron, Utah has a deck rating of 7/9, superstructure rating of 7/9, and substructure rating of 6/9 on the FHWA's 0–9 scale.

How often is Coal Creek Rd inspected?

Coal Creek 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 5,878 vehicles per day.

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

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

Coal Creek Rd has an NBI inventory load rating of 54.4 metric tons.

Who is responsible for maintaining Coal Creek Rd?

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

How old is Coal Creek Rd and does age affect safety?

Coal Creek Rd was built in 2016, making it 10 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.