FHWA NBI 2024 Inspection record Public-domain dataset

County Road 50

Carrying County Road 50 over N. Sterling Outlet Canal

Intersection w/ Co Rd 43, Logan, Colorado

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Poor
27 t Inventory load rating

Bridge Snapshot: County Road 50

The County Road 50 bridge in Logan, Colorado carries County Road 50 over N. Sterling Outlet Canal. It was built in 1982, making it 44 years old today. The structure is built primarily of steel and spans 1 section, stretching 12.4 meters (41 feet) end to end. Daily traffic averages 47 vehicles, placing it in the lower-traffic tier of Colorado bridges. It is owned and maintained by County Highway Agency.

The latest FHWA inspection records show a deck rating of 7/9, superstructure at 7/9, substructure at 4/9. The weakest component sits in poor condition. At least one major component here scores 4 or below, which produces a Poor condition classification under FHWA's current reporting rules. Its NBI inventory load rating is 26.8 metric tons.

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

How County Road 50 compares

▼ 10.3
Load rating vs Colorado average (37.1 t)
Bottom 24%
Lower load rating than 76% of Colorado bridges
182
Bridges in Logan · 16 in Poor condition
County Road 50 26.8 t
Colorado average 37.1 t

Live comparison across Colorado.

Historical Sufficiency Rating

PlainBridge-computed
63.7 / 100 - historical 50–79.9 band
Structural adequacy /55
25.7
Serviceability /30
26.0
Essentiality /15
15.0
Special reductions
−3.0

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 How the historical reference is calculated.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
4/9
Poor (1–4)
Inventory Load Rating
26.8 t
NBI inventory level (metric tons)
Overall Condition
Poor

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

Structural Details

Year Built
1982
Material
Steel
Number of Spans
1
Structure Length
12.4 m (41 ft)
Deck Width
7.4 m (24 ft)
Owner
County Highway Agency
Avg Daily Traffic
47 vehicles/day
Structure Number
LOG50-43-128AR

Condition Analysis

  • The deck (driving surface) rates good at 7/9, with no significant deterioration on file.
  • 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) is in poor condition (4/9), showing advanced deterioration that may require priority repair.

How to read this record

County Road 50 is in the federal Poor condition category. That is a component-based result, not a closure order.

  • NBI condition ratings reflect the latest record in this annual dataset, not a live status. Current routine inspection intervals are risk-based.
  • Understand what Poor condition does and does not mean before drawing conclusions. Poor condition explained
  • Compare County Road 50 against other structures in Logan 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 County Road 50?

County Road 50 in Logan, Colorado has a deck rating of 7/9, superstructure rating of 7/9, and substructure rating of 4/9 on the FHWA's 0–9 scale.

How often is County Road 50 inspected?

County Road 50'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 47 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. County Road 50 is currently shown as Poor condition from its component ratings; that category is not a live closure or safety decision.

What is the inventory load rating for County Road 50?

County Road 50 has an NBI inventory load rating of 26.8 metric tons.

Who is responsible for maintaining County Road 50?

County Road 50 is owned and maintained by County Highway Agency.

How old is County Road 50 and does age affect safety?

County Road 50 was built in 1982, making it 44 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.