FHWA NBI 2024 Inspection record Public-domain dataset

M 155

Carrying M 155 over POND

AT JCT OF CSAH 101, Hennepin, Minnesota

Inventory: FHWA NBI 2024 · last ETL August 2026

FHWA NBI record, refreshed with each annual release.

Fair
61 t Inventory load rating Higher than 99% of rated Minnesota bridges

M 155 in Hennepin, Minnesota sits above 99% of rated Minnesota bridges on inventory load rating (61 t), while its 2008 build year is earlier than 15% of Hennepin's recorded-year cohort (936 bridges).

M 155 in Hennepin, Minnesota is rated Fair in the FHWA's 2024 National Bridge Inventory. Built in 2008, it carries 3 rated components on the inspecting agency's 0-9 scale, and its weakest reported component scores 6. The lowest applicable rating sets the federal condition category, so this Fair result describes the weakest reported component rather than the structure as a whole. No NBI category is a closure decision or a live crossing-safety verdict.

NBI record plate

Structure MN:27C03

POST-2000 · CONCRETE · SINGLE-SPAN · DECK-LED · TRACE-ADT · HEAVY-LOAD · CAT-FAIR

  • POST-2000 2000+
  • CONCRETE Concrete
  • SINGLE-SPAN Single span
  • DECK-LED Deck-led
  • TRACE-ADT Trace ADT
  • HEAVY-LOAD Heavy load
  • CAT-FAIR Fair

Inspection-sheet codes from this record’s year, material family, spans, controlling component, ADT, inventory load, and NBI category, not a live closure verdict.

Bridge Snapshot: M 155

The M 155 bridge in Hennepin, Minnesota carries M 155 over POND. It was built in 2008, making it 18 years old today. The structure is built primarily of concrete continuous and spans 1 section, stretching 14.1 meters (46 feet) end to end. Daily traffic averages 1 vehicles, placing it in the lower-traffic tier of Minnesota bridges. It is owned and maintained by City/Municipal Highway Agency.

The latest FHWA inspection records show a deck rating of 6/9, superstructure at 7/9, substructure at 7/9. The weakest component sits in fair condition. None of this bridge's reported major components fall into the Poor condition range.

How M 155 compares

▲ 25.4
Load rating vs Minnesota average (35.8 t; 13,532 rated)
936
Bridges in Hennepin · 38 in Poor condition

Age against the county: built in 2008, earlier than 141 of Hennepin's 936 bridges with a recorded construction year (15%), against a county median build year of 1988. This is one of the newer structures in its county.

M 155 61.2 t
Minnesota average (13,532 rated) 35.8 t

Live comparison across Minnesota bridges with a recorded inventory load rating (13,532 rated).

M 155 vs every rated Minnesota bridge

Inventory load rating (metric tons), FHWA NBI, this state

61 Top 1% higher than 99% of 13,532 bridges

rated Minnesota bridges, bucketed by value

Each bar is a band; taller bars hold more bridges. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count and share, and where it sits relative to this entry.

Source FHWA National Bridge Inventory · August 2026

Condition Ratings

Deck
6/9
Fair (5–6)
Superstructure
7/9
Good (7–9)
Substructure
7/9
Good (7–9)
Inventory Load Rating
61.2 t
NBI inventory level (metric tons)
Overall Condition
Fair

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

Reported 0–9 component ratings from the FHWA NBI. The highlighted component is the lowest reported input to this record’s current condition category; it is not a closure or live crossing-safety decision.

Hennepin inventory by recorded NBI category

Exclusive Good/Fair/Poor bands across all 936 bridges in this county. Orthogonal to this structure's component profile above: a county catalog share, not a live crossing-safety verdict.

Structural Details

Year Built
2008
Material
Concrete Continuous
Number of Spans
1
Structure Length
14.1 m (46 ft)
Deck Width
8.3 m (27 ft)
Owner
City/Municipal Highway Agency
Avg Daily Traffic
1 vehicles/day
Structure Number
27C03

Condition Analysis

  • The deck (driving surface) is in fair condition (6/9), with minor deterioration that may require routine maintenance.
  • At 7/9, the superstructure (beams and supports above the deck) is in good shape and shows no significant wear.
  • The substructure (piers and abutments) is in good condition (7/9), showing no significant deterioration.

How to read this record

This page shows what the last federal inspection recorded, not whether M 155 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 M 155 against other structures in Hennepin 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 M 155?

M 155 in Hennepin, Minnesota has a deck rating of 6/9, superstructure rating of 7/9, and substructure rating of 7/9 on the FHWA's 0–9 scale.

How often is M 155 inspected?

M 155'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 1 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. M 155 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 M 155?

M 155 has an NBI inventory load rating of 61.2 metric tons.

Who is responsible for maintaining M 155?

M 155 is owned and maintained by City/Municipal Highway Agency.

How old is M 155 and does age affect safety?

M 155 was built in 2008, making it 18 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

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Send this source-bounded record or download its data card. An NBI condition category is not a closure or live crossing-safety verdict.

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Every figure on PlainBridges is rendered directly from federal source data, no number is typed in by an editor. Component ratings, ADT, and condition category on this page are copied from the NBI record for this structure; no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of 2024 NBI release. NBI condition categories reflect the latest reported inventory record, not a live safety, closure, or travel decision.