FHWA NBI 2024 Inspection record Public-domain dataset

CNTY.ROAD-FAS# 370

Carrying CNTY.ROAD-FAS# 370 over BIG HOLLOW WASH

1.8 MI.SO. OF WECCO PLANT, Iron, Utah

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Fair
20 t Inventory load rating

Bridge Snapshot: CNTY.ROAD-FAS# 370

The CNTY.ROAD-FAS# 370 bridge in Iron, Utah carries CNTY.ROAD-FAS# 370 over BIG HOLLOW WASH. It was built in 1989, making it 37 years old today. The structure is built primarily of concrete and spans 1 section, stretching 7.8 meters (26 feet) end to end. Daily traffic averages 1,374 vehicles, placing it in the moderately-trafficked tier of Utah bridges. It is owned and maintained by County Highway Agency.

The latest FHWA inspection records show a deck rating of 6/9, superstructure at 6/9, substructure at 7/9. The weakest component sits in fair condition. No reported major component scores in the Poor range under the current federal condition thresholds. Its NBI inventory load rating is 19.8 metric tons.

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

How CNTY.ROAD-FAS# 370 compares

▼ 17.0
Load rating vs Utah average (36.8 t)
Bottom 15%
Lower load rating than 85% of Utah bridges
70
Bridges in Iron · 1 in Poor condition
CNTY.ROAD-FAS# 370 19.8 t
Utah average 36.8 t

Live comparison across Utah.

Historical Sufficiency Rating

PlainBridge-computed
72.0 / 100 - historical 50–79.9 band
Structural adequacy /55
40.4
Serviceability /30
17.0
Essentiality /15
14.5
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 How the historical reference is calculated.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
6/9
Fair (5–6)
Superstructure
6/9
Fair (5–6)
Substructure
7/9
Good (7–9)
Inventory Load Rating
19.8 t
NBI inventory level (metric tons)
Overall Condition
Fair

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

Structural Details

Year Built
1989
Material
Concrete
Number of Spans
1
Structure Length
7.8 m (26 ft)
Deck Width
12.2 m (40 ft)
Owner
County Highway Agency
Avg Daily Traffic
1,374 vehicles/day
Structure Number
021012D

Condition Analysis

  • The deck (driving surface) rates fair at 6/9, minor deterioration that routine maintenance should address.
  • The superstructure (beams and supports above the deck) rates fair at 6/9, minor deterioration that routine maintenance should address.
  • The substructure (piers and abutments) rates good at 7/9, with no significant deterioration on file.

How to read this record

This page shows what the last federal inspection recorded, not whether CNTY.ROAD-FAS# 370 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 CNTY.ROAD-FAS# 370 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 CNTY.ROAD-FAS# 370?

CNTY.ROAD-FAS# 370 in Iron, Utah has a deck rating of 6/9, superstructure rating of 6/9, and substructure rating of 7/9 on the FHWA's 0–9 scale.

How often is CNTY.ROAD-FAS# 370 inspected?

CNTY.ROAD-FAS# 370'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 1,374 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. CNTY.ROAD-FAS# 370 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 CNTY.ROAD-FAS# 370?

CNTY.ROAD-FAS# 370 has an NBI inventory load rating of 19.8 metric tons.

Who is responsible for maintaining CNTY.ROAD-FAS# 370?

CNTY.ROAD-FAS# 370 is owned and maintained by County Highway Agency.

How old is CNTY.ROAD-FAS# 370 and does age affect safety?

CNTY.ROAD-FAS# 370 was built in 1989, making it 37 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.