431 AVE (FAS 6341)
Carrying 431 AVE (FAS 6341) over I090
4.0 E SD 25 INTERCHANGE, McCook, South Dakota
Data updated May 2026
FHWA NBI record, refreshed with each annual release.
Bridge Snapshot: 431 AVE (FAS 6341)
The 431 AVE (FAS 6341) bridge in McCook, South Dakota carries 431 AVE (FAS 6341) over I090. It was built in 1964, making it 62 years old today. The structure is built primarily of steel continuous. Daily traffic averages 10,520 vehicles, placing it in the heavily-trafficked tier of South Dakota bridges.
The latest FHWA inspection records show limited component ratings on file. The weakest component sits in unrated condition. None of this bridge's reported major components fall into the Poor condition range.
Sourced from the FHWA National Bridge Inventory. See our methodology for refresh cadence and NBI release vintage.
How 431 AVE (FAS 6341) compares
Live comparison across South Dakota.
Historical Sufficiency Rating
PlainBridge-computedFHWA discontinued this calculated item; it does not determine current condition, funding eligibility, posting, or closure. How the historical reference is calculated.
Condition Ratings
Full 0–9 scale + sufficiency-rating breakdown: how condition ratings work.
Structural Details
- Year Built
- 1964
- Material
- Steel Continuous
- Avg Daily Traffic
- 10,520 vehicles/day
- Structure Number
- 000000044010126
Location
Data Source
FHWA National Bridge Inventory (NBI).
FHWA NBI Program ↗How to read this record
This page shows what the last federal inspection recorded, not whether 431 AVE (FAS 6341) 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 431 AVE (FAS 6341) against other structures in McCook and across South Dakota. South Dakota 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 431 AVE (FAS 6341)?
431 AVE (FAS 6341) in McCook, South Dakota on the FHWA's 0–9 scale.
How often is 431 AVE (FAS 6341) inspected?
431 AVE (FAS 6341)'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 10,520 vehicles per day.
What does “structurally deficient” mean in older bridge reports?
FHWA retired that reported status beginning with the 2018 archive. 431 AVE (FAS 6341) is currently shown as unrated condition from its component ratings; that category is not a live closure or safety decision.
What is the inventory load rating for 431 AVE (FAS 6341)?
An inventory load rating is not recorded for 431 AVE (FAS 6341).
Who is responsible for maintaining 431 AVE (FAS 6341)?
Ownership is not specified for 431 AVE (FAS 6341) in the NBI.
How old is 431 AVE (FAS 6341) and does age affect safety?
431 AVE (FAS 6341) was built in 1964, making it 62 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.
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.