FHWA NBI 2024 Inspection record Public-domain dataset

462nd Avenue

Carrying 462nd Avenue over Creek

3.9S of Peever, Roberts, South Dakota

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Fair
25 t Inventory load rating

Bridge Snapshot: 462nd Avenue

The 462nd Avenue bridge in Roberts, South Dakota carries 462nd Avenue over Creek. It was built in 1931, making it 95 years old today. The structure is built primarily of concrete continuous and spans 2 sections, stretching 6.3 meters (21 feet) end to end. Daily traffic averages 271 vehicles, placing it in the lower-traffic tier of South Dakota bridges. It is owned and maintained by County Highway Agency.

The latest FHWA inspection records show culvert at 5/9. The weakest component sits in fair condition. All reported major components score above the Poor range. Its NBI inventory load rating is 24.5 metric tons.

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

How 462nd Avenue compares

▼ 8.0
Load rating vs South Dakota average (32.5 t)
Bottom 30%
Lower load rating than 70% of South Dakota bridges
157
Bridges in Roberts · 38 in Poor condition
462nd Avenue 24.5 t
South Dakota average 32.5 t

Live comparison across South Dakota.

Historical Sufficiency Rating

PlainBridge-computed
81.7 / 100 - historical 80–100 band
Structural adequacy /55
37.8
Serviceability /30
29.0
Essentiality /15
14.9
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 How the historical reference is calculated.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

Culvert
5/9
Fair (5–6)
Inventory Load Rating
24.5 t
NBI inventory level (metric tons)
Overall Condition
Fair

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

Structural Details

Year Built
1931
Material
Concrete Continuous
Number of Spans
2
Structure Length
6.3 m (21 ft)
Owner
County Highway Agency
Avg Daily Traffic
271 vehicles/day
Structure Number
000000055130309

How to read this record

This page shows what the last federal inspection recorded, not whether 462nd Avenue 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 462nd Avenue against other structures in Roberts 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 462nd Avenue?

462nd Avenue in Roberts, South Dakota on the FHWA's 0–9 scale.

How often is 462nd Avenue inspected?

462nd Avenue'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 271 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. 462nd Avenue 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 462nd Avenue?

462nd Avenue has an NBI inventory load rating of 24.5 metric tons.

Who is responsible for maintaining 462nd Avenue?

462nd Avenue is owned and maintained by County Highway Agency.

How old is 462nd Avenue and does age affect safety?

462nd Avenue was built in 1931, making it 95 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.