FHWA NBI 2024 Inspection record Public-domain dataset

US24 HWY

Carrying US24 HWY over MALL CREEK

8.15 MI E K15, Clay, Kansas

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Poor
19 t Inventory load rating

Bridge Snapshot: US24 HWY

The US24 HWY bridge in Clay, Kansas carries US24 HWY over MALL CREEK. It was built in 1965, making it 61 years old today. The structure is built primarily of concrete and spans 2 sections, stretching 11.3 meters (37 feet) end to end. Daily traffic averages 1,880 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 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 19.1 metric tons.

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

How US24 HWY compares

▼ 10.0
Load rating vs Kansas average (29.1 t)
Bottom 26%
Lower load rating than 74% of Kansas bridges
231
Bridges in Clay · 12 in Poor condition
US24 HWY 19.1 t
Kansas average 29.1 t

Live comparison across Kansas.

Historical Sufficiency Rating

PlainBridge-computed
48.7 / 100 - historical 20–49.9 band
Structural adequacy /55
14.2
Serviceability /30
28.0
Essentiality /15
6.5
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 How the historical reference is calculated.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
4/9
Poor (1–4)
Inventory Load Rating
19.1 t
NBI inventory level (metric tons)
Overall Condition
Poor

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

Structural Details

Year Built
1965
Material
Concrete
Number of Spans
2
Structure Length
11.3 m (37 ft)
Deck Width
13.9 m (46 ft)
Owner
State Highway Agency
Avg Daily Traffic
1,880 vehicles/day
Structure Number
999902400140091

How to read this record

US24 HWY 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 US24 HWY against other structures in Clay 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 US24 HWY?

US24 HWY in Clay, Kansas on the FHWA's 0–9 scale.

How often is US24 HWY inspected?

US24 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 1,880 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. US24 HWY 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 US24 HWY?

US24 HWY has an NBI inventory load rating of 19.1 metric tons.

Who is responsible for maintaining US24 HWY?

US24 HWY is owned and maintained by State Highway Agency.

How old is US24 HWY and does age affect safety?

US24 HWY was built in 1965, making it 61 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.