FHWA NBI 2024 Inspection record Public-domain dataset

246TH ST, HWY 104

Carrying 246TH ST, HWY 104 over SKUNK CK

2N & 4.4E COLTON, Minnehaha, South Dakota

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Poor
22 t Inventory load rating

Bridge Snapshot: 246TH ST, HWY 104

The 246TH ST, HWY 104 bridge in Minnehaha, South Dakota carries 246TH ST, HWY 104 over SKUNK CK. It was built in 1953, making it 73 years old today. The structure is built primarily of concrete continuous and spans 4 sections, stretching 28.0 meters (92 feet) end to end. Daily traffic averages 1,135 vehicles, placing it in the moderately-trafficked tier of South Dakota bridges. It is owned and maintained by County Highway Agency.

The latest FHWA inspection records show a deck rating of 4/9, superstructure at 4/9, substructure at 5/9. The weakest component sits in poor condition. At least one major component here scores 4 or below, which produces a Poor condition classification under FHWA's current reporting rules. Its NBI inventory load rating is 21.8 metric tons.

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

How 246TH ST, HWY 104 compares

▼ 10.7
Load rating vs South Dakota average (32.5 t)
Bottom 26%
Lower load rating than 74% of South Dakota bridges
395
Bridges in Minnehaha · 36 in Poor condition
246TH ST, HWY 104 21.8 t
South Dakota average 32.5 t

Live comparison across South Dakota.

Historical Sufficiency Rating

PlainBridge-computed
40.8 / 100 - historical 20–49.9 band
Structural adequacy /55
18.8
Serviceability /30
8.0
Essentiality /15
14.0
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 How the historical reference is calculated.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
4/9
Poor (1–4)
Superstructure
4/9
Poor (1–4)
Substructure
5/9
Fair (5–6)
Inventory Load Rating
21.8 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
4
Structure Length
28.0 m (92 ft)
Deck Width
8.6 m (28 ft)
Owner
County Highway Agency
Avg Daily Traffic
1,135 vehicles/day
Structure Number
000000050144020

Condition Analysis

  • The deck (driving surface) rates poor at 4/9, advanced deterioration that should be prioritized for repair.
  • The superstructure (beams and supports above the deck) rates poor at 4/9, advanced deterioration that should be prioritized for repair.
  • At 5/9, the substructure (piers and abutments) shows fair condition, with minor wear flagged for upkeep.

How to read this record

246TH ST, HWY 104 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 246TH ST, HWY 104 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 246TH ST, HWY 104?

246TH ST, HWY 104 in Minnehaha, South Dakota has a deck rating of 4/9, superstructure rating of 4/9, and substructure rating of 5/9 on the FHWA's 0–9 scale.

How often is 246TH ST, HWY 104 inspected?

246TH ST, HWY 104'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 1,135 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. 246TH ST, HWY 104 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 246TH ST, HWY 104?

246TH ST, HWY 104 has an NBI inventory load rating of 21.8 metric tons.

Who is responsible for maintaining 246TH ST, HWY 104?

246TH ST, HWY 104 is owned and maintained by County Highway Agency.

How old is 246TH ST, HWY 104 and does age affect safety?

246TH ST, HWY 104 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.