FHWA NBI 2024 Inspection record Public-domain dataset

MN 60

Carrying MN 60 over UP RR

6.1 MI W OF E JCT TH 4, Watonwan, Minnesota

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Good
39 t Inventory load rating

Bridge Snapshot: MN 60

The MN 60 bridge in Watonwan, Minnesota carries MN 60 over UP RR. It was built in 2013, making it 13 years old today. The structure is built primarily of prestressed concrete and spans 3 sections, stretching 56.7 meters (186 feet) end to end. Daily traffic averages 3,479 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 a deck rating of 7/9, superstructure at 8/9, substructure at 7/9. The weakest component sits in good condition. No reported major component scores in the Poor range under the current federal condition thresholds. Its NBI inventory load rating is 38.6 metric tons.

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

How MN 60 compares

▲ 2.9
Load rating vs Minnesota average (35.7 t)
Top 39%
Higher load rating than 61% of Minnesota bridges
155
Bridges in Watonwan · 1 in Poor condition
MN 60 38.6 t
Minnesota average 35.7 t

Live comparison across Minnesota.

Historical Sufficiency Rating

PlainBridge-computed
99.7 / 100 - historical 80–100 band
Structural adequacy /55
55.0
Serviceability /30
30.0
Essentiality /15
14.7
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 How the historical reference is calculated.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
7/9
Good (7–9)
Superstructure
8/9
Good (7–9)
Substructure
7/9
Good (7–9)
Inventory Load Rating
38.6 t
NBI inventory level (metric tons)
Overall Condition
Good

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

Structural Details

Year Built
2013
Material
Prestressed Concrete
Number of Spans
3
Structure Length
56.7 m (186 ft)
Deck Width
13.8 m (45 ft)
Owner
State Highway Agency
Avg Daily Traffic
3,479 vehicles/day
Structure Number
83040

Condition Analysis

  • The deck (driving surface) is in good condition (7/9), showing no significant deterioration.
  • The superstructure (beams and supports above the deck) rates good at 8/9, with no significant deterioration on file.
  • The substructure (piers and abutments) rates good at 7/9, with no significant deterioration on file.

How to read this record

This page shows what the last federal inspection recorded, not whether MN 60 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 60 against other structures in Watonwan 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 60?

MN 60 in Watonwan, Minnesota has a deck rating of 7/9, superstructure rating of 8/9, and substructure rating of 7/9 on the FHWA's 0–9 scale.

How often is MN 60 inspected?

MN 60'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 3,479 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. MN 60 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 60?

MN 60 has an NBI inventory load rating of 38.6 metric tons.

Who is responsible for maintaining MN 60?

MN 60 is owned and maintained by State Highway Agency.

How old is MN 60 and does age affect safety?

MN 60 was built in 2013, making it 13 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.