FHWA NBI 2024 Inspection record Public-domain dataset

K-52 HWY

Carrying K-52 HWY over MARAIS DES CYGNES R DRN

2.58 MI E NJCT U69, Linn, Kansas

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Good
44 t Inventory load rating

Bridge Snapshot: K-52 HWY

The K-52 HWY bridge in Linn, Kansas carries K-52 HWY over MARAIS DES CYGNES R DRN. It was built in 2000, making it 26 years old today. The structure is built primarily of concrete and spans 3 sections, stretching 13.6 meters (45 feet) end to end. Daily traffic averages 1,170 vehicles, placing it in the moderately-trafficked tier of Kansas bridges. It is owned and maintained by State 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 43.5 metric tons.

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

How K-52 HWY compares

▲ 14.4
Load rating vs Kansas average (29.1 t)
Top 15%
Higher load rating than 85% of Kansas bridges
257
Bridges in Linn · 12 in Poor condition
K-52 HWY 43.5 t
Kansas average 29.1 t

Live comparison across Kansas.

Historical Sufficiency Rating

PlainBridge-computed
98.8 / 100 - historical 80–100 band
Structural adequacy /55
55.0
Serviceability /30
29.0
Essentiality /15
14.8
Special reductions
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 How the historical reference is calculated.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
43.5 t
NBI inventory level (metric tons)
Overall Condition
Good

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

Structural Details

Year Built
2000
Material
Concrete
Number of Spans
3
Structure Length
13.6 m (45 ft)
Deck Width
22.0 m (72 ft)
Owner
State Highway Agency
Avg Daily Traffic
1,170 vehicles/day
Structure Number
999905200540421

How to read this record

This page shows what the last federal inspection recorded, not whether K-52 HWY 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 K-52 HWY against other structures in Linn 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 K-52 HWY?

K-52 HWY in Linn, Kansas on the FHWA's 0–9 scale.

How often is K-52 HWY inspected?

K-52 HWY'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 1,170 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. K-52 HWY 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 K-52 HWY?

K-52 HWY has an NBI inventory load rating of 43.5 metric tons.

Who is responsible for maintaining K-52 HWY?

K-52 HWY is owned and maintained by State Highway Agency.

How old is K-52 HWY and does age affect safety?

K-52 HWY was built in 2000, making it 26 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.