FHWA NBI 2024 Inspection record Public-domain dataset

NW 150th

Carrying NW 150th over HENRY CRK.

0.5S 2.7E OF ELBING, Butler, Kansas

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Fair
12 t Inventory load rating

Bridge Snapshot: NW 150th

The NW 150th bridge in Butler, Kansas carries NW 150th over HENRY CRK.. It was built in 1967, making it 59 years old today. The structure is built primarily of concrete and spans 2 sections, stretching 7.5 meters (25 feet) end to end. Daily traffic averages 640 vehicles, placing it in the lower-traffic tier of Kansas bridges. It is owned and maintained by County 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 12.3 metric tons.

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

How NW 150th compares

▼ 16.8
Load rating vs Kansas average (29.1 t)
Bottom 9%
Lower load rating than 91% of Kansas bridges
594
Bridges in Butler · 35 in Poor condition
NW 150th 12.3 t
Kansas average 29.1 t

Live comparison across Kansas.

Historical Sufficiency Rating

PlainBridge-computed
63.4 / 100 - historical 50–79.9 band
Structural adequacy /55
25.7
Serviceability /30
26.0
Essentiality /15
14.8
Special reductions
−3.0

FHWA discontinued this calculated item; it does not determine current condition, funding eligibility, posting, or closure. How the historical reference is calculated.

Condition Ratings

Culvert
6/9
Fair (5–6)
Inventory Load Rating
12.3 t
NBI inventory level (metric tons)
Overall Condition
Fair

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

Structural Details

Year Built
1967
Material
Concrete
Number of Spans
2
Structure Length
7.5 m (25 ft)
Deck Width
12.8 m (42 ft)
Owner
County Highway Agency
Avg Daily Traffic
640 vehicles/day
Structure Number
000000000080600

How to read this record

This page shows what the last federal inspection recorded, not whether NW 150th 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 NW 150th against other structures in Butler and across Kansas. Kansas 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 NW 150th?

NW 150th in Butler, Kansas on the FHWA's 0–9 scale.

How often is NW 150th inspected?

NW 150th'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 640 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. NW 150th 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 NW 150th?

NW 150th has an NBI inventory load rating of 12.3 metric tons.

Who is responsible for maintaining NW 150th?

NW 150th is owned and maintained by County Highway Agency.

How old is NW 150th and does age affect safety?

NW 150th was built in 1967, making it 59 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.