FHWA NBI 2024 Inspection record Public-domain dataset

COUNTY ROAD SS

Carrying COUNTY ROAD SS over TRIBUTARY OF AMITY CANAL

.2 MI W OF CR 8, Prowers, Colorado

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Poor
29 t Inventory load rating

Bridge Snapshot: COUNTY ROAD SS

The COUNTY ROAD SS bridge in Prowers, Colorado carries COUNTY ROAD SS over TRIBUTARY OF AMITY CANAL. It was built in 1986, making it 40 years old today. The structure is built primarily of steel and spans 1 section, stretching 9.9 meters (32 feet) end to end. Daily traffic averages 59 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 5/9, superstructure at 5/9, substructure at 4/9. The weakest component sits in poor condition. Because at least one major component scores 4 or lower, this bridge falls in FHWA's Poor condition category. That category is not a closure order. Its NBI inventory load rating is 28.7 metric tons.

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

How COUNTY ROAD SS compares

▼ 8.4
Load rating vs Colorado average (37.1 t)
Bottom 29%
Lower load rating than 71% of Colorado bridges
137
Bridges in Prowers · 18 in Poor condition
COUNTY ROAD SS 28.7 t
Colorado average 37.1 t

Live comparison across Colorado.

Historical Sufficiency Rating

PlainBridge-computed
66.7 / 100 - historical 50–79.9 band
Structural adequacy /55
27.7
Serviceability /30
27.0
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 How the historical reference is calculated.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
5/9
Fair (5–6)
Superstructure
5/9
Fair (5–6)
Substructure
4/9
Poor (1–4)
Inventory Load Rating
28.7 t
NBI inventory level (metric tons)
Overall Condition
Poor

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

Structural Details

Year Built
1986
Material
Steel
Number of Spans
1
Structure Length
9.9 m (32 ft)
Deck Width
7.3 m (24 ft)
Owner
County Highway Agency
Avg Daily Traffic
59 vehicles/day
Structure Number
PRSS-6.8-38-18A

Condition Analysis

  • The deck (driving surface) rates fair at 5/9, minor deterioration that routine maintenance should address.
  • At 5/9, the superstructure (beams and supports above the deck) shows fair condition, with minor wear flagged for upkeep.
  • The substructure (piers and abutments) is in poor condition (4/9), showing advanced deterioration that may require priority repair.

How to read this record

COUNTY ROAD SS 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 SS 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 SS?

COUNTY ROAD SS in Prowers, Colorado has a deck rating of 5/9, superstructure rating of 5/9, and substructure rating of 4/9 on the FHWA's 0–9 scale.

How often is COUNTY ROAD SS inspected?

COUNTY ROAD SS'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 59 vehicles per day.

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

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

COUNTY ROAD SS has an NBI inventory load rating of 28.7 metric tons.

Who is responsible for maintaining COUNTY ROAD SS?

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

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

COUNTY ROAD SS was built in 1986, making it 40 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.