MN 29
Carrying MN 29 over LONG PRAIRIE RIVER
7.7 MI N OF JCT TH 27, Douglas, Minnesota
Data updated May 2026
FHWA NBI record, refreshed with each annual release.
Bridge Snapshot: MN 29
The MN 29 bridge in Douglas, Minnesota carries MN 29 over LONG PRAIRIE RIVER. It was built in 1989, making it 37 years old today. The structure is built primarily of concrete and spans 2 sections, stretching 8.5 meters (28 feet) end to end. Daily traffic averages 6,481 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 culvert at 8/9. The weakest component sits in good condition. All reported major components score above the Poor range. Its NBI inventory load rating is 29.4 metric tons.
Sourced from the FHWA National Bridge Inventory. See our methodology for refresh cadence and NBI release vintage.
How MN 29 compares
Live comparison across Minnesota.
Historical Sufficiency Rating
PlainBridge-computedFHWA discontinued this calculated item; it does not determine current condition, funding eligibility, posting, or closure. How the historical reference is calculated.
Condition Ratings
Full 0–9 scale + sufficiency-rating breakdown: how condition ratings work.
Structural Details
- Year Built
- 1989
- Material
- Concrete
- Number of Spans
- 2
- Structure Length
- 8.5 m (28 ft)
- Owner
- State Highway Agency
- Avg Daily Traffic
- 6,481 vehicles/day
- Structure Number
- 95108
Location
Data Source
FHWA National Bridge Inventory (NBI).
FHWA NBI Program ↗How to read this record
This page shows what the last federal inspection recorded, not whether MN 29 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 29 against other structures in Douglas 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 29?
MN 29 in Douglas, Minnesota on the FHWA's 0–9 scale.
How often is MN 29 inspected?
MN 29'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 6,481 vehicles per day.
What does “structurally deficient” mean in older bridge reports?
FHWA retired that reported status beginning with the 2018 archive. MN 29 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 29?
MN 29 has an NBI inventory load rating of 29.4 metric tons.
Who is responsible for maintaining MN 29?
MN 29 is owned and maintained by State Highway Agency.
How old is MN 29 and does age affect safety?
MN 29 was built in 1989, making it 37 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.
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.