FHWA NBI 2024 Inspection record Public-domain dataset

Wa Cnty Rd 580

Carrying Wa Cnty Rd 580 over East Fork Sand Creek

8 Mi+East Of Worland, Washakie, Wyoming

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Poor

Bridge Snapshot: Wa Cnty Rd 580

The Wa Cnty Rd 580 bridge in Washakie, Wyoming carries Wa Cnty Rd 580 over East Fork Sand Creek. It was built in 1935, making it 91 years old today. The structure is built primarily of wood or timber and spans 4 sections, stretching 28.3 meters (93 feet) end to end. Daily traffic averages 4 vehicles, placing it in the lower-traffic tier of Wyoming bridges. It is owned and maintained by County Highway Agency.

The latest FHWA inspection records show a deck rating of 5/9, superstructure at 3/9, substructure at 1/9. The weakest component sits in critical 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.

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

How Wa Cnty Rd 580 compares

61
Bridges in Washakie · 6 in Poor condition

Live comparison across Wyoming.

Historical Sufficiency Rating

PlainBridge-computed
39.0 / 100 - historical 20–49.9 band
Structural adequacy /55
0.0
Serviceability /30
24.0
Essentiality /15
15.0
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 How the historical reference is calculated.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
5/9
Fair (5–6)
Superstructure
3/9
Poor (1–4)
Substructure
1/9
Poor (1–4)
Overall Condition
Poor

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

Structural Details

Year Built
1935
Material
Wood or Timber
Number of Spans
4
Structure Length
28.3 m (93 ft)
Deck Width
7.3 m (24 ft)
Owner
County Highway Agency
Avg Daily Traffic
4 vehicles/day
Structure Number
FMQ

Condition Analysis

  • The deck (driving surface) rates fair at 5/9, minor deterioration that routine maintenance should address.
  • The superstructure (beams and supports above the deck) rates poor at 3/9, advanced deterioration that should be prioritized for repair.
  • At 1/9, the substructure (piers and abutments) is in critical shape, with severe wear requiring urgent action.

How to read this record

Wa Cnty Rd 580 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 Wa Cnty Rd 580 against other structures in Washakie and across Wyoming. Wyoming 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 Wa Cnty Rd 580?

Wa Cnty Rd 580 in Washakie, Wyoming has a deck rating of 5/9, superstructure rating of 3/9, and substructure rating of 1/9 on the FHWA's 0–9 scale.

How often is Wa Cnty Rd 580 inspected?

Wa Cnty Rd 580'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 4 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. Wa Cnty Rd 580 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 Wa Cnty Rd 580?

An inventory load rating is not recorded for Wa Cnty Rd 580.

Who is responsible for maintaining Wa Cnty Rd 580?

Wa Cnty Rd 580 is owned and maintained by County Highway Agency.

How old is Wa Cnty Rd 580 and does age affect safety?

Wa Cnty Rd 580 was built in 1935, making it 91 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.