FHWA NBI 2024 Inspection record Public-domain dataset

COUNTY ROAD MM

Carrying COUNTY ROAD MM over BUFFALO CREEK

.5 MI E OF SH 385, Prowers, Colorado

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Fair
51 t Inventory load rating

Bridge Snapshot: COUNTY ROAD MM

The COUNTY ROAD MM bridge in Prowers, Colorado carries COUNTY ROAD MM over BUFFALO CREEK. It was built in 1980, making it 46 years old today. The structure is built primarily of aluminum/iron and spans 1 section, stretching 8.3 meters (27 feet) end to end. Daily traffic averages 16 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 superstructure at 6/9, substructure at 5/9. 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 51.1 metric tons.

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

How COUNTY ROAD MM compares

▲ 14.0
Load rating vs Colorado average (37.1 t)
Top 13%
Higher load rating than 87% of Colorado bridges
137
Bridges in Prowers · 18 in Poor condition
COUNTY ROAD MM 51.1 t
Colorado average 37.1 t

Live comparison across Colorado.

Historical Sufficiency Rating

PlainBridge-computed
85.0 / 100 - historical 80–100 band
Structural adequacy /55
45.0
Serviceability /30
28.0
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 How the historical reference is calculated.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

Superstructure
6/9
Fair (5–6)
Substructure
5/9
Fair (5–6)
Inventory Load Rating
51.1 t
NBI inventory level (metric tons)
Overall Condition
Fair

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

Structural Details

Year Built
1980
Material
Aluminum/Iron
Number of Spans
1
Structure Length
8.3 m (27 ft)
Deck Width
18.2 m (60 ft)
Owner
County Highway Agency
Avg Daily Traffic
16 vehicles/day
Structure Number
PRMM-239-34-52A

Condition Analysis

  • At 6/9, the superstructure (beams and supports above the deck) shows fair condition, with minor wear flagged for upkeep.
  • The substructure (piers and abutments) is in fair condition (5/9), with minor deterioration that may require routine maintenance.

How to read this record

This page shows what the last federal inspection recorded, not whether COUNTY ROAD MM 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 COUNTY ROAD MM against other structures in Prowers 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 MM?

COUNTY ROAD MM in Prowers, Colorado, superstructure rating of 6/9, and substructure rating of 5/9 on the FHWA's 0–9 scale.

How often is COUNTY ROAD MM inspected?

COUNTY ROAD MM'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 16 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. COUNTY ROAD MM 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 COUNTY ROAD MM?

COUNTY ROAD MM has an NBI inventory load rating of 51.1 metric tons.

Who is responsible for maintaining COUNTY ROAD MM?

COUNTY ROAD MM is owned and maintained by County Highway Agency.

How old is COUNTY ROAD MM and does age affect safety?

COUNTY ROAD MM was built in 1980, making it 46 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.