FHWA NBI 2024 Inspection record Public-domain dataset

38450 292nd Street

Carrying 38450 292nd Street over Creek

0.2S & 2.5E Lake Andes, Charles Mix, South Dakota

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Poor
15 t Inventory load rating

Bridge Snapshot: 38450 292nd Street

The 38450 292nd Street bridge in Charles Mix, South Dakota carries 38450 292nd Street over Creek. It was built in 1935, making it 91 years old today. The structure is built primarily of steel and spans 2 sections, stretching 14.6 meters (48 feet) end to end. Daily traffic averages 48 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 5/9, superstructure at 4/9, substructure at 6/9. 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 15.1 metric tons.

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

How 38450 292nd Street compares

▼ 17.4
Load rating vs South Dakota average (32.5 t)
Bottom 11%
Lower load rating than 89% of South Dakota bridges
103
Bridges in Charles Mix · 24 in Poor condition
38450 292nd Street 15.1 t
South Dakota average 32.5 t

Live comparison across South Dakota.

Historical Sufficiency Rating

PlainBridge-computed
46.6 / 100 - historical 20–49.9 band
Structural adequacy /55
6.6
Serviceability /30
25.0
Essentiality /15
15.0
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 How the historical reference is calculated.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
5/9
Fair (5–6)
Superstructure
4/9
Poor (1–4)
Substructure
6/9
Fair (5–6)
Inventory Load Rating
15.1 t
NBI inventory level (metric tons)
Overall Condition
Poor

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

Structural Details

Year Built
1935
Material
Steel
Number of Spans
2
Structure Length
14.6 m (48 ft)
Deck Width
6.2 m (20 ft)
Owner
County Highway Agency
Avg Daily Traffic
48 vehicles/day
Structure Number
000000012405242

Condition Analysis

  • The deck (driving surface) rates fair at 5/9, minor deterioration that routine maintenance should address.
  • The superstructure (beams and supports above the deck) rates poor at 4/9, advanced deterioration that should be prioritized for repair.
  • The substructure (piers and abutments) is in fair condition (6/9), with minor deterioration that may require routine maintenance.

How to read this record

38450 292nd Street 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 38450 292nd Street against other structures in Charles Mix 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 38450 292nd Street?

38450 292nd Street in Charles Mix, South Dakota has a deck rating of 5/9, superstructure rating of 4/9, and substructure rating of 6/9 on the FHWA's 0–9 scale.

How often is 38450 292nd Street inspected?

38450 292nd Street'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 48 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. 38450 292nd Street 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 38450 292nd Street?

38450 292nd Street has an NBI inventory load rating of 15.1 metric tons.

Who is responsible for maintaining 38450 292nd Street?

38450 292nd Street is owned and maintained by County Highway Agency.

How old is 38450 292nd Street and does age affect safety?

38450 292nd Street was built in 1935, making it 91 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.