FHWA NBI 2024 Inspection record Public-domain dataset

K58 HWY

Carrying K58 HWY over CROOKED CREEK

6.68 MI E SJCT US75, Coffey, Kansas

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Fair
18 t Inventory load rating

Bridge Snapshot: K58 HWY

The K58 HWY bridge in Coffey, Kansas carries K58 HWY over CROOKED CREEK. It was built in 1949, making it 77 years old today. The structure is built primarily of steel continuous and spans 4 sections, stretching 74.0 meters (243 feet) end to end. Daily traffic averages 1,010 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 a deck rating of 5/9, superstructure at 7/9, substructure at 7/9. The weakest component sits in fair condition. All reported major components score above the Poor range. Its NBI inventory load rating is 18.1 metric tons.

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

How K58 HWY compares

▼ 11.0
Load rating vs Kansas average (29.1 t)
Bottom 23%
Lower load rating than 77% of Kansas bridges
305
Bridges in Coffey · 4 in Poor condition
K58 HWY 18.1 t
Kansas average 29.1 t

Live comparison across Kansas.

Historical Sufficiency Rating

PlainBridge-computed
58.0 / 100 - historical 50–79.9 band
Structural adequacy /55
37.4
Serviceability /30
9.0
Essentiality /15
14.6
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 How the historical reference is calculated.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

Deck
5/9
Fair (5–6)
Superstructure
7/9
Good (7–9)
Substructure
7/9
Good (7–9)
Inventory Load Rating
18.1 t
NBI inventory level (metric tons)
Overall Condition
Fair

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

Structural Details

Year Built
1949
Material
Steel Continuous
Number of Spans
4
Structure Length
74.0 m (243 ft)
Deck Width
7.7 m (25 ft)
Owner
State Highway Agency
Avg Daily Traffic
1,010 vehicles/day
Structure Number
999905800160431

Condition Analysis

  • At 5/9, the deck (driving surface) shows fair condition, with minor wear flagged for upkeep.
  • At 7/9, the superstructure (beams and supports above the deck) is in good shape and shows no significant wear.
  • The substructure (piers and abutments) is in good condition (7/9), showing no significant deterioration.

How to read this record

This page shows what the last federal inspection recorded, not whether K58 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 K58 HWY against other structures in Coffey 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 K58 HWY?

K58 HWY in Coffey, Kansas has a deck rating of 5/9, superstructure rating of 7/9, and substructure rating of 7/9 on the FHWA's 0–9 scale.

How often is K58 HWY inspected?

K58 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 1,010 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. K58 HWY 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 K58 HWY?

K58 HWY has an NBI inventory load rating of 18.1 metric tons.

Who is responsible for maintaining K58 HWY?

K58 HWY is owned and maintained by State Highway Agency.

How old is K58 HWY and does age affect safety?

K58 HWY was built in 1949, making it 77 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.