FHWA NBI 2024 Inspection record Public-domain dataset

SE 150 S. W.4-22.0

Carrying SE 150 S. W.4-22.0 over STREAM

2.0S 1.5E OF RAGO, Kingman, Kansas

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Poor
17 t Inventory load rating

Bridge Snapshot: SE 150 S. W.4-22.0

The SE 150 S. W.4-22.0 bridge in Kingman, Kansas carries SE 150 S. W.4-22.0 over STREAM. It was built in 1950, making it 76 years old today. It was last reconstructed in 1975, extending its service life. The structure is built primarily of wood or timber and spans 3 sections, stretching 17.7 meters (58 feet) end to end. Daily traffic averages 80 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 a deck rating of 7/9, superstructure at 6/9, substructure at 4/9. The weakest component sits in poor condition. At least one major component here scores 4 or below, which produces a Poor condition classification under FHWA's current reporting rules. Its NBI inventory load rating is 17.3 metric tons.

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

How SE 150 S. W.4-22.0 compares

▼ 11.8
Load rating vs Kansas average (29.1 t)
Bottom 21%
Lower load rating than 79% of Kansas bridges
391
Bridges in Kingman · 22 in Poor condition
SE 150 S. W.4-22.0 17.3 t
Kansas average 29.1 t

Live comparison across Kansas.

Historical Sufficiency Rating

PlainBridge-computed
49.9 / 100 - historical 20–49.9 band
Structural adequacy /55
10.9
Serviceability /30
27.0
Essentiality /15
14.9
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 How the historical reference is calculated.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

Deck
7/9
Good (7–9)
Superstructure
6/9
Fair (5–6)
Substructure
4/9
Poor (1–4)
Inventory Load Rating
17.3 t
NBI inventory level (metric tons)
Overall Condition
Poor

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

Structural Details

Year Built
1950
Last Reconstructed
1975
Material
Wood or Timber
Number of Spans
3
Structure Length
17.7 m (58 ft)
Deck Width
7.3 m (24 ft)
Owner
County Highway Agency
Avg Daily Traffic
80 vehicles/day
Structure Number
000480741406540

Condition Analysis

  • The deck (driving surface) rates good at 7/9, with no significant deterioration on file.
  • The superstructure (beams and supports above the deck) is in fair condition (6/9), with minor deterioration that may require routine maintenance.
  • At 4/9, the substructure (piers and abutments) is in poor shape, with advanced wear flagged for priority repair.

How to read this record

SE 150 S. W.4-22.0 is in the federal Poor condition category. That is a component-based result, not a closure order.

  • NBI condition ratings reflect the latest record in this annual dataset, not a live status. Current routine inspection intervals are risk-based.
  • Understand what Poor condition does and does not mean before drawing conclusions. Poor condition explained
  • Compare SE 150 S. W.4-22.0 against other structures in Kingman 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 SE 150 S. W.4-22.0?

SE 150 S. W.4-22.0 in Kingman, Kansas has a deck rating of 7/9, superstructure rating of 6/9, and substructure rating of 4/9 on the FHWA's 0–9 scale.

How often is SE 150 S. W.4-22.0 inspected?

SE 150 S. W.4-22.0'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 80 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. SE 150 S. W.4-22.0 is currently shown as Poor condition from its component ratings; that category is not a live closure or safety decision.

What is the inventory load rating for SE 150 S. W.4-22.0?

SE 150 S. W.4-22.0 has an NBI inventory load rating of 17.3 metric tons.

Who is responsible for maintaining SE 150 S. W.4-22.0?

SE 150 S. W.4-22.0 is owned and maintained by County Highway Agency.

How old is SE 150 S. W.4-22.0 and does age affect safety?

SE 150 S. W.4-22.0 was built in 1950, making it 76 years old and last reconstructed in 1975.

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.