FHWA NBI 2024 Inspection record Public-domain dataset

S. 20th AVE.

Carrying S. 20th AVE. over TRIB. NORTH FORK SOLOMON

0.6N 1.0E OF DOWNS, Osborne, Kansas

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Fair
18 t Inventory load rating

Bridge Snapshot: S. 20th AVE.

The S. 20th AVE. bridge in Osborne, Kansas carries S. 20th AVE. over TRIB. NORTH FORK SOLOMON. It was built in 1968, making it 58 years old today. The structure is built primarily of wood or timber and spans 4 sections, stretching 40.8 meters (134 feet) end to end. Daily traffic averages 15 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 a deck rating of 6/9, superstructure at 6/9, substructure at 6/9. The weakest component sits in fair condition. None of this bridge's reported major components fall into the Poor condition range. Its NBI inventory load rating is 17.8 metric tons.

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

How S. 20th AVE. compares

▼ 11.3
Load rating vs Kansas average (29.1 t)
Bottom 22%
Lower load rating than 78% of Kansas bridges
219
Bridges in Osborne · 18 in Poor condition
S. 20th AVE. 17.8 t
Kansas average 29.1 t

Live comparison across Kansas.

Historical Sufficiency Rating

PlainBridge-computed
76.8 / 100 - historical 50–79.9 band
Structural adequacy /55
36.8
Serviceability /30
28.0
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 How the historical reference is calculated.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

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

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

Structural Details

Year Built
1968
Material
Wood or Timber
Number of Spans
4
Structure Length
40.8 m (134 ft)
Deck Width
7.3 m (24 ft)
Owner
County Highway Agency
Avg Daily Traffic
15 vehicles/day
Structure Number
000710693003668

Condition Analysis

  • The deck (driving surface) rates fair at 6/9, minor deterioration that routine maintenance should address.
  • The superstructure (beams and supports above the deck) is in fair condition (6/9), with minor deterioration that may require routine maintenance.
  • The substructure (piers and abutments) rates fair at 6/9, minor deterioration that routine maintenance should address.

How to read this record

This page shows what the last federal inspection recorded, not whether S. 20th AVE. 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 S. 20th AVE. against other structures in Osborne 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 S. 20th AVE.?

S. 20th AVE. in Osborne, Kansas has a deck rating of 6/9, superstructure rating of 6/9, and substructure rating of 6/9 on the FHWA's 0–9 scale.

How often is S. 20th AVE. inspected?

S. 20th AVE.'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 15 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. S. 20th AVE. 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 S. 20th AVE.?

S. 20th AVE. has an NBI inventory load rating of 17.8 metric tons.

Who is responsible for maintaining S. 20th AVE.?

S. 20th AVE. is owned and maintained by County Highway Agency.

How old is S. 20th AVE. and does age affect safety?

S. 20th AVE. was built in 1968, making it 58 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.