FHWA NBI 2024 Inspection record Public-domain dataset

COUNTY RD. L

Carrying COUNTY RD. L over 142 MILE CREEK

5.5N OF ALLEN, Lyon, Kansas

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Good
13 t Inventory load rating

Bridge Snapshot: COUNTY RD. L

The COUNTY RD. L bridge in Lyon, Kansas carries COUNTY RD. L over 142 MILE CREEK. It was built in 1953, making it 73 years old today. The structure is built primarily of concrete and spans 2 sections, stretching 12.4 meters (41 feet) end to end. Daily traffic averages 25 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 7/9. The weakest component sits in good condition. All reported major components score above the Poor range. Its NBI inventory load rating is 12.6 metric tons.

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

How COUNTY RD. L compares

▼ 16.5
Load rating vs Kansas average (29.1 t)
Bottom 9%
Lower load rating than 91% of Kansas bridges
493
Bridges in Lyon · 5 in Poor condition
COUNTY RD. L 12.6 t
Kansas average 29.1 t

Live comparison across Kansas.

Historical Sufficiency Rating

PlainBridge-computed
66.3 / 100 - historical 50–79.9 band
Structural adequacy /55
26.3
Serviceability /30
28.0
Essentiality /15
15.0
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 How the historical reference is calculated.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
7/9
Good (7–9)
Inventory Load Rating
12.6 t
NBI inventory level (metric tons)
Overall Condition
Good

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

Structural Details

Year Built
1953
Material
Concrete
Number of Spans
2
Structure Length
12.4 m (41 ft)
Deck Width
8.8 m (29 ft)
Owner
County Highway Agency
Avg Daily Traffic
25 vehicles/day
Structure Number
000000000560290

How to read this record

This page shows what the last federal inspection recorded, not whether COUNTY RD. L 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 COUNTY RD. L against other structures in Lyon 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 COUNTY RD. L?

COUNTY RD. L in Lyon, Kansas on the FHWA's 0–9 scale.

How often is COUNTY RD. L inspected?

COUNTY RD. L'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 25 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. COUNTY RD. L 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 COUNTY RD. L?

COUNTY RD. L has an NBI inventory load rating of 12.6 metric tons.

Who is responsible for maintaining COUNTY RD. L?

COUNTY RD. L is owned and maintained by County Highway Agency.

How old is COUNTY RD. L and does age affect safety?

COUNTY RD. L was built in 1953, making it 73 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.