FHWA NBI 2024 Inspection record Public-domain dataset

RED STONE ROAD

Carrying RED STONE ROAD over PASS CK

9.6E & 11.4N WANBLEE, Jackson, South Dakota

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Good
18 t Inventory load rating

Bridge Snapshot: RED STONE ROAD

The RED STONE ROAD bridge in Jackson, South Dakota carries RED STONE ROAD over PASS CK. It was built in 1995, making it 31 years old today. The structure is built primarily of concrete continuous and spans 3 sections, stretching 29.6 meters (97 feet) end to end. Daily traffic averages 27 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. None of this bridge's reported major components fall into the Poor condition range. Its NBI inventory load rating is 18.1 metric tons.

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

How RED STONE ROAD compares

▼ 14.4
Load rating vs South Dakota average (32.5 t)
Bottom 14%
Lower load rating than 86% of South Dakota bridges
89
Bridges in Jackson · 14 in Poor condition
RED STONE ROAD 18.1 t
South Dakota average 32.5 t

Live comparison across South Dakota.

Historical Sufficiency Rating

PlainBridge-computed
76.1 / 100 - historical 50–79.9 band
Structural adequacy /55
37.4
Serviceability /30
29.0
Essentiality /15
14.7
Special reductions
−5.0

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 How the historical reference is calculated.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
18.1 t
NBI inventory level (metric tons)
Overall Condition
Good

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

Structural Details

Year Built
1995
Material
Concrete Continuous
Number of Spans
3
Structure Length
29.6 m (97 ft)
Deck Width
8.7 m (29 ft)
Owner
County Highway Agency
Avg Daily Traffic
27 vehicles/day
Structure Number
000000036336176

Condition Analysis

  • The deck (driving surface) is in good condition (7/9), showing no significant deterioration.
  • The superstructure (beams and supports above the deck) rates good at 7/9, with no significant deterioration on file.
  • 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 RED STONE ROAD 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 RED STONE ROAD against other structures in Jackson 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 RED STONE ROAD?

RED STONE ROAD in Jackson, 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 RED STONE ROAD inspected?

RED STONE ROAD'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 27 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. RED STONE ROAD 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 RED STONE ROAD?

RED STONE ROAD has an NBI inventory load rating of 18.1 metric tons.

Who is responsible for maintaining RED STONE ROAD?

RED STONE ROAD is owned and maintained by County Highway Agency.

How old is RED STONE ROAD and does age affect safety?

RED STONE ROAD was built in 1995, making it 31 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.