FHWA NBI 2024 Inspection record Public-domain dataset

249th Street

Carrying 249th Street over W. Fork of Vermillion Rv

3N & 1.7W of Salem, McCook, South Dakota

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Fair
25 t Inventory load rating

Bridge Snapshot: 249th Street

The 249th Street bridge in McCook, South Dakota carries 249th Street over W. Fork of Vermillion Rv. It was built in 1993, making it 33 years old today. The structure is built primarily of prestressed concrete and spans 1 section, stretching 15.2 meters (50 feet) end to end. Daily traffic averages 35 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 6/9, superstructure at 6/9, substructure at 6/9. The weakest component sits in fair condition. All reported major components score above the Poor range. Its NBI inventory load rating is 24.5 metric tons.

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

How 249th Street compares

▼ 8.0
Load rating vs South Dakota average (32.5 t)
Bottom 30%
Lower load rating than 70% of South Dakota bridges
98
Bridges in McCook · 9 in Poor condition
249th Street 24.5 t
South Dakota average 32.5 t

Live comparison across South Dakota.

Historical Sufficiency Rating

PlainBridge-computed
92.8 / 100 - historical 80–100 band
Structural adequacy /55
47.8
Serviceability /30
30.0
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 How the historical reference is calculated.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
6/9
Fair (5–6)
Superstructure
6/9
Fair (5–6)
Substructure
6/9
Fair (5–6)
Inventory Load Rating
24.5 t
NBI inventory level (metric tons)
Overall Condition
Fair

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

Structural Details

Year Built
1993
Material
Prestressed Concrete
Number of Spans
1
Structure Length
15.2 m (50 ft)
Deck Width
9.4 m (31 ft)
Owner
County Highway Agency
Avg Daily Traffic
35 vehicles/day
Structure Number
000000044092050

Condition Analysis

  • The deck (driving surface) is in fair condition (6/9), with minor deterioration that may require routine maintenance.
  • At 6/9, the superstructure (beams and supports above the deck) shows fair condition, with minor wear flagged for upkeep.
  • The substructure (piers and abutments) is in fair condition (6/9), with minor deterioration that may require routine maintenance.

How to read this record

This page shows what the last federal inspection recorded, not whether 249th Street 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 249th Street against other structures in McCook 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 249th Street?

249th Street in McCook, South Dakota has a deck rating of 6/9, superstructure rating of 6/9, and substructure rating of 6/9 on the FHWA's 0–9 scale.

How often is 249th Street inspected?

249th 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 35 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. 249th Street is currently shown as Fair condition from its component ratings; that category is not a live closure or safety decision.

What is the inventory load rating for 249th Street?

249th Street has an NBI inventory load rating of 24.5 metric tons.

Who is responsible for maintaining 249th Street?

249th Street is owned and maintained by County Highway Agency.

How old is 249th Street and does age affect safety?

249th Street was built in 1993, making it 33 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.