FHWA NBI 2024 Inspection record Public-domain dataset

343rd ST

Carrying 343rd ST over JAKE BR. OF MIDDLE CREEK

3.0N 1.1E NEW LANCASTER, Miami, Kansas

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Good
33 t Inventory load rating

Bridge Snapshot: 343rd ST

The 343rd ST bridge in Miami, Kansas carries 343rd ST over JAKE BR. OF MIDDLE CREEK. It was built in 1981, making it 45 years old today. The structure is built primarily of concrete and spans 3 sections, stretching 11.4 meters (37 feet) end to end. Daily traffic averages 93 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. None of this bridge's reported major components fall into the Poor condition range. Its NBI inventory load rating is 32.7 metric tons.

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

How 343rd ST compares

▲ 3.6
Load rating vs Kansas average (29.1 t)
Top 40%
Higher load rating than 60% of Kansas bridges
304
Bridges in Miami · 11 in Poor condition
343rd ST 32.7 t
Kansas average 29.1 t

Live comparison across Kansas.

Historical Sufficiency Rating

PlainBridge-computed
97.0 / 100 - historical 80–100 band
Structural adequacy /55
55.0
Serviceability /30
30.0
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 How the historical reference is calculated.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
32.7 t
NBI inventory level (metric tons)
Overall Condition
Good

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

Structural Details

Year Built
1981
Material
Concrete
Number of Spans
3
Structure Length
11.4 m (37 ft)
Deck Width
8.3 m (27 ft)
Owner
County Highway Agency
Avg Daily Traffic
93 vehicles/day
Structure Number
000611103105060

How to read this record

This page shows what the last federal inspection recorded, not whether 343rd 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 343rd ST against other structures in Miami 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 343rd ST?

343rd ST in Miami, Kansas on the FHWA's 0–9 scale.

How often is 343rd ST inspected?

343rd 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 93 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. 343rd ST 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 343rd ST?

343rd ST has an NBI inventory load rating of 32.7 metric tons.

Who is responsible for maintaining 343rd ST?

343rd ST is owned and maintained by County Highway Agency.

How old is 343rd ST and does age affect safety?

343rd ST was built in 1981, making it 45 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.