FHWA NBI 2024 Inspection record Public-domain dataset

CSAH 15

Carrying CSAH 15 over CO DITCH # 31

3.1 MI N OF JCT TH 210, Wilkin, Minnesota

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Good
39 t Inventory load rating

Bridge Snapshot: CSAH 15

The CSAH 15 bridge in Wilkin, Minnesota carries CSAH 15 over CO DITCH # 31. It was built in 1993, making it 33 years old today. The structure is built primarily of concrete and spans 2 sections, stretching 6.6 meters (22 feet) end to end. Daily traffic averages 37 vehicles, placing it in the lower-traffic tier of Minnesota bridges. It is owned and maintained by County Highway Agency.

The latest FHWA inspection records show culvert at 8/9. The weakest component sits in good condition. All reported major components score above the Poor range. Its NBI inventory load rating is 39.2 metric tons.

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

How CSAH 15 compares

▲ 3.5
Load rating vs Minnesota average (35.7 t)
Top 38%
Higher load rating than 62% of Minnesota bridges
191
Bridges in Wilkin · 7 in Poor condition
CSAH 15 39.2 t
Minnesota average 35.7 t

Live comparison across Minnesota.

Historical Sufficiency Rating

PlainBridge-computed
100.0 / 100 - historical 80–100 band
Structural adequacy /55
55.0
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 How the historical reference is calculated.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

Culvert
8/9
Good (7–9)
Inventory Load Rating
39.2 t
NBI inventory level (metric tons)
Overall Condition
Good

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

Structural Details

Year Built
1993
Material
Concrete
Number of Spans
2
Structure Length
6.6 m (22 ft)
Owner
County Highway Agency
Avg Daily Traffic
37 vehicles/day
Structure Number
97403

How to read this record

This page shows what the last federal inspection recorded, not whether CSAH 15 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 CSAH 15 against other structures in Wilkin and across Minnesota. Minnesota 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 CSAH 15?

CSAH 15 in Wilkin, Minnesota on the FHWA's 0–9 scale.

How often is CSAH 15 inspected?

CSAH 15'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 37 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. CSAH 15 is currently shown as Good condition from its component ratings; that category is not a live closure or safety decision.

What is the inventory load rating for CSAH 15?

CSAH 15 has an NBI inventory load rating of 39.2 metric tons.

Who is responsible for maintaining CSAH 15?

CSAH 15 is owned and maintained by County Highway Agency.

How old is CSAH 15 and does age affect safety?

CSAH 15 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.