ND HIGHWAY 37
Carrying ND HIGHWAY 37 over MID. BR. DOUGLAS CREEK
6 EAST OF ND 1804, McLean, North Dakota
Data updated May 2026
FHWA NBI record, refreshed with each annual release.
Bridge Snapshot: ND HIGHWAY 37
The ND HIGHWAY 37 bridge in McLean, North Dakota carries ND HIGHWAY 37 over MID. BR. DOUGLAS CREEK. It was built in 1990, making it 36 years old today. The structure is built primarily of concrete and spans 3 sections, stretching 11.6 meters (38 feet) end to end. Daily traffic averages 770 vehicles, placing it in the lower-traffic tier of North Dakota bridges. It is owned and maintained by State Highway Agency.
The latest FHWA inspection records show culvert 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 40.8 metric tons.
Sourced from the FHWA National Bridge Inventory. See our methodology for refresh cadence and NBI release vintage.
How ND HIGHWAY 37 compares
Live comparison across North Dakota.
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 How the historical reference is calculated.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
- 1990
- Material
- Concrete
- Number of Spans
- 3
- Structure Length
- 11.6 m (38 ft)
- Owner
- State Highway Agency
- Avg Daily Traffic
- 770 vehicles/day
- Structure Number
- 0037049625
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 ND HIGHWAY 37 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 ND HIGHWAY 37 against other structures in McLean and across North Dakota. North Dakota 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 ND HIGHWAY 37?
ND HIGHWAY 37 in McLean, North Dakota on the FHWA's 0–9 scale.
How often is ND HIGHWAY 37 inspected?
ND HIGHWAY 37'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 770 vehicles per day.
What does “structurally deficient” mean in older bridge reports?
FHWA retired that reported status beginning with the 2018 archive. ND HIGHWAY 37 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 ND HIGHWAY 37?
ND HIGHWAY 37 has an NBI inventory load rating of 40.8 metric tons.
Who is responsible for maintaining ND HIGHWAY 37?
ND HIGHWAY 37 is owned and maintained by State Highway Agency.
How old is ND HIGHWAY 37 and does age affect safety?
ND HIGHWAY 37 was built in 1990, making it 36 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.