FHWA NBI 2024 Inspection record Public-domain dataset

SD011

Carrying SD011 over WEST PIPESTONE CK

2.9 N I 90 INTERCH, Minnehaha, South Dakota

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Poor
35 t Inventory load rating

Bridge Snapshot: SD011

The SD011 bridge in Minnehaha, South Dakota carries SD011 over WEST PIPESTONE CK. It was built in 1953, making it 73 years old today. The structure is built primarily of concrete continuous and spans 5 sections, stretching 56.7 meters (186 feet) end to end. Daily traffic averages 3,797 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 a deck rating of 7/9, superstructure at 5/9, substructure at 4/9. The weakest component sits in poor condition. Because at least one major component scores 4 or lower, this bridge falls in FHWA's Poor condition category. That category is not a closure order. Its NBI inventory load rating is 34.6 metric tons.

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

How SD011 compares

▲ 2.1
Load rating vs South Dakota average (32.5 t)
Top 32%
Higher load rating than 68% of South Dakota bridges
395
Bridges in Minnehaha · 36 in Poor condition
SD011 34.6 t
South Dakota average 32.5 t

Live comparison across South Dakota.

Historical Sufficiency Rating

PlainBridge-computed
49.0 / 100 - historical 20–49.9 band
Structural adequacy /55
30.0
Serviceability /30
11.0
Essentiality /15
8.0
Special reductions
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 How the historical reference is calculated.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
5/9
Fair (5–6)
Substructure
4/9
Poor (1–4)
Inventory Load Rating
34.6 t
NBI inventory level (metric tons)
Overall Condition
Poor

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

Structural Details

Year Built
1953
Material
Concrete Continuous
Number of Spans
5
Structure Length
56.7 m (186 ft)
Deck Width
10.5 m (34 ft)
Owner
State Highway Agency
Avg Daily Traffic
3,797 vehicles/day
Structure Number
000000050280136

Condition Analysis

  • The deck (driving surface) rates good at 7/9, with no significant deterioration on file.
  • The superstructure (beams and supports above the deck) is in fair condition (5/9), with minor deterioration that may require routine maintenance.
  • The substructure (piers and abutments) rates poor at 4/9, advanced deterioration that should be prioritized for repair.

How to read this record

SD011 is in the federal Poor condition category. That is a component-based result, not a closure order.

  • NBI condition ratings reflect the latest record in this annual dataset, not a live status. Current routine inspection intervals are risk-based.
  • Understand what Poor condition does and does not mean before drawing conclusions. Poor condition explained
  • Compare SD011 against other structures in Minnehaha 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 SD011?

SD011 in Minnehaha, South Dakota has a deck rating of 7/9, superstructure rating of 5/9, and substructure rating of 4/9 on the FHWA's 0–9 scale.

How often is SD011 inspected?

SD011'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 3,797 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. SD011 is currently shown as Poor condition from its component ratings; that category is not a live closure or safety decision.

What is the inventory load rating for SD011?

SD011 has an NBI inventory load rating of 34.6 metric tons.

Who is responsible for maintaining SD011?

SD011 is owned and maintained by State Highway Agency.

How old is SD011 and does age affect safety?

SD011 was built in 1953, making it 73 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.