FHWA NBI 2024 Inspection record Public-domain dataset

MN 68

Carrying MN 68 over MUD CREEK

3.8 MI NW OF PORTER, Yellow Medicine, Minnesota

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Good
29 t Inventory load rating

Bridge Snapshot: MN 68

The MN 68 bridge in Yellow Medicine, Minnesota carries MN 68 over MUD CREEK. It was built in 1970, making it 56 years old today. The structure is built primarily of concrete and spans 4 sections, stretching 18.4 meters (60 feet) end to end. Daily traffic averages 2,050 vehicles, placing it in the moderately-trafficked tier of Minnesota bridges. It is owned and maintained by State Highway Agency.

The latest FHWA inspection records show culvert at 7/9. The weakest component sits in good condition. None of this bridge's reported major components fall into the Poor condition range. Its NBI inventory load rating is 29.4 metric tons.

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

How MN 68 compares

▼ 6.3
Load rating vs Minnesota average (35.7 t)
Bottom 14%
Lower load rating than 86% of Minnesota bridges
207
Bridges in Yellow Medicine · 5 in Poor condition
MN 68 29.4 t
Minnesota average 35.7 t

Live comparison across Minnesota.

Historical Sufficiency Rating

PlainBridge-computed
96.7 / 100 - historical 80–100 band
Structural adequacy /55
53.3
Serviceability /30
30.0
Essentiality /15
13.4
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 How the historical reference is calculated.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
7/9
Good (7–9)
Inventory Load Rating
29.4 t
NBI inventory level (metric tons)
Overall Condition
Good

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

Structural Details

Year Built
1970
Material
Concrete
Number of Spans
4
Structure Length
18.4 m (60 ft)
Owner
State Highway Agency
Avg Daily Traffic
2,050 vehicles/day
Structure Number
91268

How to read this record

This page shows what the last federal inspection recorded, not whether MN 68 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 MN 68 against other structures in Yellow Medicine 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 MN 68?

MN 68 in Yellow Medicine, Minnesota on the FHWA's 0–9 scale.

How often is MN 68 inspected?

MN 68'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 2,050 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. MN 68 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 MN 68?

MN 68 has an NBI inventory load rating of 29.4 metric tons.

Who is responsible for maintaining MN 68?

MN 68 is owned and maintained by State Highway Agency.

How old is MN 68 and does age affect safety?

MN 68 was built in 1970, making it 56 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.