1ST ST PLANKINTON
Carrying 1ST ST PLANKINTON over CK
EAST EDGE OF PLANKINTON, Aurora, South Dakota
Data updated May 2026
FHWA NBI record, refreshed with each annual release.
Bridge Snapshot: 1ST ST PLANKINTON
The 1ST ST PLANKINTON bridge in Aurora, South Dakota carries 1ST ST PLANKINTON over CK. It was built in 2008, making it 18 years old today. The structure is built primarily of steel and spans 3 sections, stretching 10.1 meters (33 feet) end to end. Daily traffic averages 50 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 37.5 metric tons.
Sourced from the FHWA National Bridge Inventory. See our methodology for refresh cadence and NBI release vintage.
How 1ST ST PLANKINTON 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 How the historical reference is calculated.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
- 2008
- Material
- Steel
- Number of Spans
- 3
- Structure Length
- 10.1 m (33 ft)
- Owner
- County Highway Agency
- Avg Daily Traffic
- 50 vehicles/day
- Structure Number
- 000000002164151
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 1ST ST PLANKINTON 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 1ST ST PLANKINTON against other structures in Aurora 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 1ST ST PLANKINTON?
1ST ST PLANKINTON in Aurora, South Dakota on the FHWA's 0–9 scale.
How often is 1ST ST PLANKINTON inspected?
1ST ST PLANKINTON'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 50 vehicles per day.
What does “structurally deficient” mean in older bridge reports?
FHWA retired that reported status beginning with the 2018 archive. 1ST ST PLANKINTON 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 1ST ST PLANKINTON?
1ST ST PLANKINTON has an NBI inventory load rating of 37.5 metric tons.
Who is responsible for maintaining 1ST ST PLANKINTON?
1ST ST PLANKINTON is owned and maintained by County Highway Agency.
How old is 1ST ST PLANKINTON and does age affect safety?
1ST ST PLANKINTON was built in 2008, making it 18 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.