FHWA NBI 2024 Inspection record Public-domain dataset

M 1064

Carrying M 1064 over MIDTOWN GREENWAY

0.1 MI N OF LAKE ST, Hennepin, Minnesota

Inventory: FHWA NBI 2024 · last ETL August 2026

FHWA NBI record, refreshed with each annual release.

Poor
23 t Inventory load rating Lower than 94% of rated Minnesota bridges

M 1064 in Hennepin, Minnesota sits above 6% of rated Minnesota bridges on inventory load rating (23 t), while its 1916 build year is earlier than 96% of Hennepin's recorded-year cohort (936 bridges).

M 1064 in Hennepin, Minnesota is rated Poor in the FHWA's 2024 National Bridge Inventory. Built in 1916, it carries 3 rated components on the inspecting agency's 0-9 scale, and its weakest reported component scores 4. The lowest applicable rating sets the federal condition category, so this Poor 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:L8923

PRE-1950 · CONCRETE · MULTI-SPAN · TIED-CTRL · ARTERIAL-ADT · STANDARD-LOAD · CAT-POOR

  • PRE-1950 Pre-1950
  • CONCRETE Concrete
  • MULTI-SPAN 3 spans
  • TIED-CTRL Tied control
  • ARTERIAL-ADT Arterial ADT
  • STANDARD-LOAD Standard load
  • CAT-POOR Poor

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 1064

The M 1064 bridge in Hennepin, Minnesota carries M 1064 over MIDTOWN GREENWAY. It was built in 1916, making it 110 years old today. The structure is built primarily of concrete continuous and spans 3 sections, stretching 29.0 meters (95 feet) end to end. Daily traffic averages 1,670 vehicles, placing it in the moderately-trafficked tier of Minnesota bridges. It is owned and maintained by County Highway Agency.

The latest FHWA inspection records show a deck rating of 4/9, superstructure at 4/9, substructure at 4/9. The weakest component sits in poor condition. At least one major component here scores 4 or below, which produces a Poor condition classification under FHWA's current reporting rules.

How M 1064 compares

▼ 12.5
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 1916, earlier than 899 of Hennepin's 936 bridges with a recorded construction year (96%), against a county median build year of 1988. Age is not a defect on its own, but it is the population from which future Poor ratings are drawn.

M 1064 23.3 t
Minnesota average (13,532 rated) 35.8 t

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

M 1064 vs every rated Minnesota bridge

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

23 Top 94% higher than 6% 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
4/9
Poor (1–4)
Superstructure
4/9
Poor (1–4)
Substructure
4/9
Poor (1–4)
Inventory Load Rating
23.3 t
NBI inventory level (metric tons)
Overall Condition
Poor

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
1916
Material
Concrete Continuous
Number of Spans
3
Structure Length
29.0 m (95 ft)
Deck Width
15.5 m (51 ft)
Owner
County Highway Agency
Avg Daily Traffic
1,670 vehicles/day
Structure Number
L8923

Condition Analysis

  • The deck (driving surface) is in poor condition (4/9), showing advanced deterioration on the inspecting agency's 0-9 scale.
  • The superstructure (beams and supports above the deck) is in poor condition (4/9), showing advanced deterioration on the inspecting agency's 0-9 scale.
  • The substructure (piers and abutments) is in poor condition (4/9), showing advanced deterioration on the inspecting agency's 0-9 scale.

How to read this record

M 1064 is in the federal Poor condition category. That is a component-based result, not a closure order.

  • NBI condition ratings reflect the latest record in this annual dataset, not a live status. Current routine inspection intervals are risk-based.
  • Understand what Poor condition does and does not mean before drawing conclusions. Poor condition explained
  • Compare M 1064 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 1064?

M 1064 in Hennepin, Minnesota has a deck rating of 4/9, superstructure rating of 4/9, and substructure rating of 4/9 on the FHWA's 0–9 scale.

How often is M 1064 inspected?

M 1064'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 1,670 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. M 1064 is currently shown as Poor condition from its component ratings; that category is not a live closure or safety decision.

What is the inventory load rating for M 1064?

M 1064 has an NBI inventory load rating of 23.3 metric tons.

Who is responsible for maintaining M 1064?

M 1064 is owned and maintained by County Highway Agency.

How old is M 1064 and does age affect safety?

M 1064 was built in 1916, making it 110 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.