W 23RD STREET
Carrying W 23RD STREET over MARNE CREEK
W 23RD STREET - YANKTON, Yankton, South Dakota
Data updated May 2026
FHWA NBI record, refreshed with each annual release.
Bridge Snapshot: W 23RD STREET
The W 23RD STREET bridge in Yankton, South Dakota carries W 23RD STREET over MARNE CREEK. It was built in 1976, making it 50 years old today. It was last reconstructed in 2001, extending its service life. The structure is built primarily of prestressed concrete and spans 1 section, stretching 12.3 meters (40 feet) end to end. Daily traffic averages 3,980 vehicles, placing it in the moderately-trafficked tier of South Dakota bridges. It is owned and maintained by City/Municipal 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 16.1 metric tons.
Sourced from the FHWA National Bridge Inventory. See our methodology for refresh cadence and NBI release vintage.
How W 23RD STREET compares
Live comparison across South Dakota.
Historical Sufficiency Rating
PlainBridge-computedFHWA discontinued this calculated item; it does not determine current condition, funding eligibility, posting, or closure. How the historical reference is calculated.
Condition Ratings
Full 0–9 scale + sufficiency-rating breakdown: how condition ratings work.
Structural Details
- Year Built
- 1976
- Last Reconstructed
- 2001
- Material
- Prestressed Concrete
- Number of Spans
- 1
- Structure Length
- 12.3 m (40 ft)
- Deck Width
- 13.0 m (43 ft)
- Owner
- City/Municipal Highway Agency
- Avg Daily Traffic
- 3,980 vehicles/day
- Structure Number
- 000000068119190
Location
Data Source
FHWA National Bridge Inventory (NBI).
FHWA NBI Program ↗Condition Analysis
- • At 4/9, the deck (driving surface) is in poor shape, with advanced wear flagged for priority repair.
- • The superstructure (beams and supports above the deck) is in poor condition (4/9), showing advanced deterioration that may require priority repair.
- • The substructure (piers and abutments) rates fair at 5/9, minor deterioration that routine maintenance should address.
How to read this record
W 23RD 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 W 23RD STREET against other structures in Yankton 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 W 23RD STREET?
W 23RD STREET in Yankton, 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 W 23RD STREET inspected?
W 23RD 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 3,980 vehicles per day.
What does “structurally deficient” mean in older bridge reports?
FHWA retired that reported status beginning with the 2018 archive. W 23RD 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 W 23RD STREET?
W 23RD STREET has an NBI inventory load rating of 16.1 metric tons.
Who is responsible for maintaining W 23RD STREET?
W 23RD STREET is owned and maintained by City/Municipal Highway Agency.
How old is W 23RD STREET and does age affect safety?
W 23RD STREET was built in 1976, making it 50 years old and last reconstructed in 2001.
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.
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.