FHWA NBI 2024 Inspection record Public-domain dataset

79TH ST

Carrying 79TH ST over TURKEY CK TRIB

250 W OF MASTIN, Johnson, Kansas

Inventory: FHWA NBI 2024 · last ETL August 2026

FHWA NBI record, refreshed with each annual release.

Fair
44 t Inventory load rating Higher than 85% of rated Kansas bridges

79TH ST in Johnson, Kansas is rated Fair in the FHWA's 2024 National Bridge Inventory.

Built in 1966, it carries 1 rated component on the inspecting agency's 0-9 scale, and its weakest reported component scores 6. The lowest applicable rating sets the federal condition category, so this Fair result describes the weakest reported component rather than the structure as a whole. No NBI category is a closure decision or a live crossing-safety verdict.

NBI record plate

Structure KS:421950462774250

INTERSTATE-ERA · CONCRETE · MULTI-SPAN · CULVERT-LED · ARTERIAL-ADT · HEAVY-LOAD · CAT-FAIR

  • INTERSTATE-ERA 1950–1979
  • CONCRETE Concrete
  • MULTI-SPAN 3 spans
  • CULVERT-LED Culvert-led
  • ARTERIAL-ADT Arterial ADT
  • HEAVY-LOAD Heavy load
  • CAT-FAIR Fair

Inspection-sheet codes from this record’s year, material family, spans, controlling component, ADT, inventory load, and NBI category, not a live closure verdict.

Bridge Snapshot: 79TH ST

The 79TH ST bridge in Johnson, Kansas carries 79TH ST over TURKEY CK TRIB. It was built in 1966, making it 60 years old today. The structure is built primarily of concrete and spans 3 sections, stretching 7.0 meters (23 feet) end to end. Daily traffic averages 5,800 vehicles, placing it in the moderately-trafficked tier of Kansas bridges. It is owned and maintained by City/Municipal Highway Agency.

The latest FHWA inspection records show culvert at 6/9. The weakest component sits in fair condition. None of this bridge's reported major components fall into the Poor condition range.

How 79TH ST compares

▲ 14.3
Load rating vs Kansas average (29.2 t; 24,893 of 24,894 rated)
781
Bridges in Johnson · 11 in Poor condition

Age against the county: built in 1966, earlier than 693 of Johnson's 781 bridges with a recorded construction year (89%), against a county median build year of 1994. Age is not a defect on its own, but it is the population from which future Poor ratings are drawn.

79TH ST 43.5 t
Kansas average (24,893 of 24,894 rated) 29.2 t

Live comparison across Kansas bridges with a recorded inventory load rating (24,893 of 24,894 rated).

79TH ST vs every rated Kansas bridge

Inventory load rating (metric tons), FHWA NBI, this state

44 Top 15% higher than 85% of 24,893 bridges

rated Kansas bridges, bucketed by value

Each bar is a band; taller bars hold more bridges. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count and share, and where it sits relative to this entry.

Source FHWA National Bridge Inventory · August 2026

Condition Ratings

Culvert
6/9
Fair (5–6)
Inventory Load Rating
43.5 t
NBI inventory level (metric tons)
Overall Condition
Fair

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

Johnson inventory by recorded NBI category

Exclusive Good/Fair/Poor bands across all 781 bridges in this county. Orthogonal to this structure's component profile above: a county catalog share, not a live crossing-safety verdict.

Structural Details

Year Built
1966
Material
Concrete
Number of Spans
3
Structure Length
7.0 m (23 ft)
0
Owner
City/Municipal Highway Agency
Avg Daily Traffic
5,800 vehicles/day
Structure Number
421950462774250

How to read this record

This page shows what the last federal inspection recorded, not whether 79TH ST 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 79TH ST 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 79TH ST?

79TH ST in Johnson, Kansas on the FHWA's 0–9 scale.

How often is 79TH ST inspected?

79TH ST'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 5,800 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. 79TH ST is currently shown as Fair condition from its component ratings; that category is not a live closure or safety decision.

What is the inventory load rating for 79TH ST?

79TH ST has an NBI inventory load rating of 43.5 metric tons.

Who is responsible for maintaining 79TH ST?

79TH ST is owned and maintained by City/Municipal Highway Agency.

How old is 79TH ST and does age affect safety?

79TH ST was built in 1966, making it 60 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

Share this inspection record

Send this source-bounded record or download its data card. An NBI condition category is not a closure or live crossing-safety verdict.

XFacebookLinkedInWhatsAppEmail

Every figure on PlainBridges is rendered directly from federal source data, no number is typed in by an editor. Component ratings, ADT, and condition category on this page are copied from the NBI record for this structure; no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of 2024 NBI release. NBI condition categories reflect the latest reported inventory record, not a live safety, closure, or travel decision.