FHWA NBI 2024 Inspection record Public-domain dataset

STONE LAKE RD

Carrying STONE LAKE RD over HORSE CK

0.1 N 4 W NEWELL, Butte, South Dakota

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Good
33 t Inventory load rating

Bridge Snapshot: STONE LAKE RD

The STONE LAKE RD bridge in Butte, South Dakota carries STONE LAKE RD over HORSE CK. It was built in 2002, making it 24 years old today. The structure is built primarily of concrete continuous and spans 3 sections, stretching 38.7 meters (127 feet) end to end. Daily traffic averages 302 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 a deck rating of 7/9, superstructure at 7/9, substructure at 7/9. 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 33.2 metric tons.

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

How STONE LAKE RD compares

▲ 0.7
Load rating vs South Dakota average (32.5 t)
Top 34%
Higher load rating than 66% of South Dakota bridges
143
Bridges in Butte · 17 in Poor condition
STONE LAKE RD 33.2 t
South Dakota average 32.5 t

Live comparison across South Dakota.

Historical Sufficiency Rating

PlainBridge-computed
97.1 / 100 - historical 80–100 band
Structural adequacy /55
55.0
Serviceability /30
29.2
Essentiality /15
14.9
Special reductions
−2.0

FHWA discontinued this calculated item; it does not determine current condition, funding eligibility, posting, or closure. How the historical reference is calculated.

Condition Ratings

Deck
7/9
Good (7–9)
Superstructure
7/9
Good (7–9)
Substructure
7/9
Good (7–9)
Inventory Load Rating
33.2 t
NBI inventory level (metric tons)
Overall Condition
Good

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

Structural Details

Year Built
2002
Material
Concrete Continuous
Number of Spans
3
Structure Length
38.7 m (127 ft)
Deck Width
9.3 m (31 ft)
Owner
County Highway Agency
Avg Daily Traffic
302 vehicles/day
Structure Number
000000010270338

Condition Analysis

  • The deck (driving surface) rates good at 7/9, with no significant deterioration on file.
  • At 7/9, the superstructure (beams and supports above the deck) is in good shape and shows no significant wear.
  • The substructure (piers and abutments) rates good at 7/9, with no significant deterioration on file.

How to read this record

This page shows what the last federal inspection recorded, not whether STONE LAKE 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 STONE LAKE RD against other structures in Butte 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 STONE LAKE RD?

STONE LAKE RD in Butte, South Dakota has a deck rating of 7/9, superstructure rating of 7/9, and substructure rating of 7/9 on the FHWA's 0–9 scale.

How often is STONE LAKE RD inspected?

STONE LAKE 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 302 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. STONE LAKE 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 STONE LAKE RD?

STONE LAKE RD has an NBI inventory load rating of 33.2 metric tons.

Who is responsible for maintaining STONE LAKE RD?

STONE LAKE RD is owned and maintained by County Highway Agency.

How old is STONE LAKE RD and does age affect safety?

STONE LAKE RD was built in 2002, making it 24 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.