TWNSHP RD 486TH AV
Carrying TWNSHP RD 486TH AV over Cobb Creek
3.3 S & 1 W GARY, Deuel, South Dakota
Data updated May 2026
FHWA NBI record, refreshed with each annual release.
Bridge Snapshot: TWNSHP RD 486TH AV
The TWNSHP RD 486TH AV bridge in Deuel, South Dakota carries TWNSHP RD 486TH AV over Cobb Creek. It was built in 2023, making it 3 years old today. The structure is built primarily of concrete continuous and spans 2 sections, stretching 8.2 meters (27 feet) end to end. Daily traffic averages 134 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 8/9. The weakest component sits in good condition. No reported major component scores in the Poor range under the current federal condition thresholds. Its NBI inventory load rating is 40.8 metric tons.
Sourced from the FHWA National Bridge Inventory. See our methodology for refresh cadence and NBI release vintage.
How TWNSHP RD 486TH AV 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 How the historical reference is calculated.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
- 2023
- Material
- Concrete Continuous
- Number of Spans
- 2
- Structure Length
- 8.2 m (27 ft)
- Deck Width
- 7.9 m (26 ft)
- Owner
- County Highway Agency
- Avg Daily Traffic
- 134 vehicles/day
- Structure Number
- 000000020200163
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 TWNSHP RD 486TH AV 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 TWNSHP RD 486TH AV against other structures in Deuel 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 TWNSHP RD 486TH AV?
TWNSHP RD 486TH AV in Deuel, South Dakota on the FHWA's 0–9 scale.
How often is TWNSHP RD 486TH AV inspected?
TWNSHP RD 486TH AV'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 134 vehicles per day.
What does “structurally deficient” mean in older bridge reports?
FHWA retired that reported status beginning with the 2018 archive. TWNSHP RD 486TH AV 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 TWNSHP RD 486TH AV?
TWNSHP RD 486TH AV has an NBI inventory load rating of 40.8 metric tons.
Who is responsible for maintaining TWNSHP RD 486TH AV?
TWNSHP RD 486TH AV is owned and maintained by County Highway Agency.
How old is TWNSHP RD 486TH AV and does age affect safety?
TWNSHP RD 486TH AV was built in 2023, making it 3 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.