FHWA NBI 2024 Inspection record Public-domain dataset

MN 194

Carrying MN 194 over UNSTABLE MATERIAL

0.3 MI N OF GARFIELD AVE, St. Louis, Minnesota

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Fair
32 t Inventory load rating

Bridge Snapshot: MN 194

The MN 194 bridge in St. Louis, Minnesota carries MN 194 over UNSTABLE MATERIAL. It was built in 1970, making it 56 years old today. The structure is built primarily of prestressed concrete and spans 7 sections, stretching 150.7 meters (494 feet) end to end. Daily traffic averages 7,500 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 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 32.2 metric tons.

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

How MN 194 compares

▼ 3.5
Load rating vs Minnesota average (35.7 t)
Bottom 23%
Lower load rating than 77% of Minnesota bridges
641
Bridges in St. Louis · 32 in Poor condition
MN 194 32.2 t
Minnesota average 35.7 t

Live comparison across Minnesota.

Historical Sufficiency Rating

PlainBridge-computed
80.1 / 100 - historical 80–100 band
Structural adequacy /55
55.0
Serviceability /30
11.0
Essentiality /15
14.1
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 How the historical reference is calculated.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
32.2 t
NBI inventory level (metric tons)
Overall Condition
Fair

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

Structural Details

Year Built
1970
Material
Prestressed Concrete
Number of Spans
7
Structure Length
150.7 m (494 ft)
Deck Width
9.8 m (32 ft)
Owner
State Highway Agency
Avg Daily Traffic
7,500 vehicles/day
Structure Number
69887A

Condition Analysis

  • At 6/9, the deck (driving surface) shows fair condition, with minor wear flagged for upkeep.
  • 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 MN 194 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 194 against other structures in St. Louis 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 194?

MN 194 in St. Louis, Minnesota 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 MN 194 inspected?

MN 194'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 7,500 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. MN 194 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 MN 194?

MN 194 has an NBI inventory load rating of 32.2 metric tons.

Who is responsible for maintaining MN 194?

MN 194 is owned and maintained by State Highway Agency.

How old is MN 194 and does age affect safety?

MN 194 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.