SD231 SER RD
Carrying SD231 SER RD over BLACKHAWK CK
1.0 N PENNINGTON CO LINE, Meade, South Dakota
Inventory: FHWA NBI 2024 · last ETL August 2026
FHWA NBI record, refreshed with each annual release.
SD231 SER RD in Meade, South Dakota sits above 59% of rated South Dakota bridges on inventory load rating (32 t), while its 1957 build year is earlier than 76% of Meade's recorded-year cohort (215 bridges).
SD231 SER RD in Meade, South Dakota is rated Good in the FHWA's 2024 National Bridge Inventory. Built in 1957, it carries 1 rated component on the inspecting agency's 0-9 scale, and its weakest reported component scores 7. The lowest applicable rating sets the federal condition category, so this Good result describes the weakest reported component rather than the structure as a whole. No NBI category is a closure decision or a live crossing-safety verdict.
NBI record plate
Structure SD:000000047131612
INTERSTATE-ERA · CONCRETE · MULTI-SPAN · CULVERT-LED · ARTERIAL-ADT · STANDARD-LOAD · CAT-GOOD
- INTERSTATE-ERA 1950–1979
- CONCRETE Concrete
- MULTI-SPAN 3 spans
- CULVERT-LED Culvert-led
- ARTERIAL-ADT Arterial ADT
- STANDARD-LOAD Standard load
- CAT-GOOD Good
Inspection-sheet codes from this record’s year, material family, spans, controlling component, ADT, inventory load, and NBI category, not a live closure verdict.
Bridge Snapshot: SD231 SER RD
The SD231 SER RD bridge in Meade, South Dakota carries SD231 SER RD over BLACKHAWK CK. It was built in 1957, making it 69 years old today. It was last reconstructed in 2000, extending its service life. The structure is built primarily of concrete continuous and spans 3 sections, stretching 13.4 meters (44 feet) end to end. Daily traffic averages 7,310 vehicles, placing it in the moderately-trafficked tier of South Dakota bridges. It is owned and maintained by State Highway Agency.
The latest FHWA inspection records show culvert at 7/9. The weakest component sits in good condition. None of this bridge's reported major components fall into the Poor condition range.
How SD231 SER RD compares
Age against the county: built in 1957, earlier than 164 of Meade's 215 bridges with a recorded construction year (76%), against a county median build year of 1974. Age is not a defect on its own, but it is the population from which future Poor ratings are drawn.
Live comparison across South Dakota bridges with a recorded inventory load rating (5,886 of 5,887 rated).
SD231 SER RD vs every rated South Dakota bridge
Inventory load rating (metric tons), FHWA NBI, this state
32 Top 41% higher than 59% of 5,886 bridges
rated South Dakota bridges, bucketed by value
Each bar is a band; taller bars hold more bridges. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count and share, and where it sits relative to this entry.
Source FHWA National Bridge Inventory · August 2026
Condition Ratings
Full 0–9 scale + sufficiency-rating breakdown: how condition ratings work.
Meade inventory by recorded NBI category
Exclusive Good/Fair/Poor bands across all 215 bridges in this county. Orthogonal to this structure's component profile above: a county catalog share, not a live crossing-safety verdict.
Structural Details
- Year Built
- 1957
- Last Reconstructed
- 2000
- Material
- Concrete Continuous
- Number of Spans
- 3
- Structure Length
- 13.4 m (44 ft) 0
- Owner
- State Highway Agency
- Avg Daily Traffic
- 7,310 vehicles/day
- Structure Number
- 000000047131612
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 SD231 SER RD 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 SD231 SER RD against other structures in Meade 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 SD231 SER RD?
SD231 SER RD in Meade, South Dakota on the FHWA's 0–9 scale.
How often is SD231 SER RD inspected?
SD231 SER RD'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 7,310 vehicles per day.
What does “structurally deficient” mean in older bridge reports?
FHWA retired that reported status beginning with the 2018 archive. SD231 SER RD is currently shown as Good condition from its component ratings; that category is not a live closure or safety decision.
What is the inventory load rating for SD231 SER RD?
SD231 SER RD has an NBI inventory load rating of 31.9 metric tons.
Who is responsible for maintaining SD231 SER RD?
SD231 SER RD is owned and maintained by State Highway Agency.
How old is SD231 SER RD and does age affect safety?
SD231 SER RD was built in 1957, making it 69 years old and last reconstructed in 2000.
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.
Share this inspection record
Send this source-bounded record or download its data card. An NBI condition category is not a closure or live crossing-safety verdict.
Every figure on PlainBridges is rendered directly from federal source data, no number is typed in by an editor. Component ratings, ADT, and condition category on this page are copied from the NBI record for this structure; no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of 2024 NBI release. NBI condition categories reflect the latest reported inventory record, not a live safety, closure, or travel decision.