N40
Carrying N40 over STREAM
2NW MILLER, Dawson, Nebraska
Data updated May 2026
FHWA NBI record, refreshed with each annual release.
Bridge Snapshot: N40
The N40 bridge in Dawson, Nebraska carries N40 over STREAM. It was built in 1963, making it 63 years old today. It was last reconstructed in 2004, extending its service life. The structure is built primarily of concrete and spans 2 sections, stretching 8.5 meters (28 feet) end to end. Daily traffic averages 1,040 vehicles, placing it in the moderately-trafficked tier of Nebraska 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 22.0 metric tons.
Sourced from the FHWA National Bridge Inventory. See our methodology for refresh cadence and NBI release vintage.
How N40 compares
Live comparison across Nebraska.
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 How the historical reference is calculated.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
- 1963
- Last Reconstructed
- 2004
- Material
- Concrete
- Number of Spans
- 2
- Structure Length
- 8.5 m (28 ft)
- Owner
- State Highway Agency
- Avg Daily Traffic
- 1,040 vehicles/day
- Structure Number
- S040 06314
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 N40 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 N40 against other structures in Dawson and across Nebraska. Nebraska 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 N40?
N40 in Dawson, Nebraska on the FHWA's 0–9 scale.
How often is N40 inspected?
N40'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 1,040 vehicles per day.
What does “structurally deficient” mean in older bridge reports?
FHWA retired that reported status beginning with the 2018 archive. N40 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 N40?
N40 has an NBI inventory load rating of 22.0 metric tons.
Who is responsible for maintaining N40?
N40 is owned and maintained by State Highway Agency.
How old is N40 and does age affect safety?
N40 was built in 1963, making it 63 years old and last reconstructed in 2004.
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.