FHWA NBI 2024 Inspection record Public-domain dataset

URB4252 SL-56RP

Carrying URB4252 SL-56RP over I-35 HWY SB-NB

1.22 MI NE K-7, Johnson, Kansas

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Unknown

Bridge Snapshot: URB4252 SL-56RP

The URB4252 SL-56RP bridge in Johnson, Kansas carries URB4252 SL-56RP over I-35 HWY SB-NB. It was built in 1996, making it 30 years old today. The structure is built primarily of steel continuous. Daily traffic averages 31,469 vehicles, placing it in the heavily-trafficked tier of Kansas bridges.

The latest FHWA inspection records show limited component ratings on file. The weakest component sits in unrated condition. All reported major components score above the Poor range.

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

How URB4252 SL-56RP compares

781
Bridges in Johnson · 11 in Poor condition

Live comparison across Kansas.

Historical Sufficiency Rating

PlainBridge-computed
94.1 / 100 - historical 80–100 band
Structural adequacy /55
55.0
Serviceability /30
25.0
Essentiality /15
14.1
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 How the historical reference is calculated.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

Overall Condition
Unrated

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

Structural Details

Year Built
1996
Material
Steel Continuous
Avg Daily Traffic
31,469 vehicles/day
Structure Number
999903500463171

How to read this record

This page shows what the last federal inspection recorded, not whether URB4252 SL-56RP 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 URB4252 SL-56RP against other structures in Johnson 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 URB4252 SL-56RP?

URB4252 SL-56RP in Johnson, Kansas on the FHWA's 0–9 scale.

How often is URB4252 SL-56RP inspected?

URB4252 SL-56RP'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 31,469 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. URB4252 SL-56RP is currently shown as unrated condition from its component ratings; that category is not a live closure or safety decision.

What is the inventory load rating for URB4252 SL-56RP?

An inventory load rating is not recorded for URB4252 SL-56RP.

Who is responsible for maintaining URB4252 SL-56RP?

Ownership is not specified for URB4252 SL-56RP in the NBI.

How old is URB4252 SL-56RP and does age affect safety?

URB4252 SL-56RP was built in 1996, making it 30 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.