FHWA NBI 2024 Inspection record Public-domain dataset

MN 26

Carrying MN 26 over CROOKED CREEK

6.3 MI N OF IOWA ST LINE, Houston, Minnesota

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Fair
42 t Inventory load rating

Bridge Snapshot: MN 26

The MN 26 bridge in Houston, Minnesota carries MN 26 over CROOKED CREEK. It was built in 1939, making it 87 years old today. The structure is built primarily of steel and spans 3 sections, stretching 51.9 meters (170 feet) end to end. Daily traffic averages 1,567 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 7/9, substructure at 6/9. The weakest component sits in fair condition. No reported major component scores in the Poor range under the current federal condition thresholds. Its NBI inventory load rating is 42.1 metric tons.

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

How MN 26 compares

▲ 6.4
Load rating vs Minnesota average (35.7 t)
Top 12%
Higher load rating than 88% of Minnesota bridges
113
Bridges in Houston · 4 in Poor condition
MN 26 42.1 t
Minnesota average 35.7 t

Live comparison across Minnesota.

Historical Sufficiency Rating

PlainBridge-computed
94.1 / 100 - historical 80–100 band
Structural adequacy /55
55.0
Serviceability /30
29.0
Essentiality /15
10.2
Special reductions
−0.1

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 How the historical reference is calculated.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
7/9
Good (7–9)
Substructure
6/9
Fair (5–6)
Inventory Load Rating
42.1 t
NBI inventory level (metric tons)
Overall Condition
Fair

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

Structural Details

Year Built
1939
Material
Steel
Number of Spans
3
Structure Length
51.9 m (170 ft)
Deck Width
10.8 m (35 ft)
Owner
State Highway Agency
Avg Daily Traffic
1,567 vehicles/day
Structure Number
5807

Condition Analysis

  • At 7/9, the deck (driving surface) is in good shape and shows no significant wear.
  • The superstructure (beams and supports above the deck) is in good condition (7/9), showing no significant deterioration.
  • 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 26 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 26 against other structures in Houston 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 26?

MN 26 in Houston, Minnesota has a deck rating of 7/9, superstructure rating of 7/9, and substructure rating of 6/9 on the FHWA's 0–9 scale.

How often is MN 26 inspected?

MN 26'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 1,567 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. MN 26 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 26?

MN 26 has an NBI inventory load rating of 42.1 metric tons.

Who is responsible for maintaining MN 26?

MN 26 is owned and maintained by State Highway Agency.

How old is MN 26 and does age affect safety?

MN 26 was built in 1939, making it 87 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.