FHWA NBI 2024 Inspection record Public-domain dataset

Rock Bridge Road

Carrying Rock Bridge Road over DRAINAGE DITCH

Rock Bridge Road, Barton, Kansas

Inventory: FHWA NBI 2024 · last ETL August 2026

FHWA NBI record, refreshed with each annual release.

Good
25 t Inventory load rating Lower than 55% of rated Kansas bridges

Rock Bridge Road in Barton, Kansas sits above 45% of rated Kansas bridges on inventory load rating (25 t), while its 1976 build year is earlier than 21% of Barton's recorded-year cohort (449 bridges).

Rock Bridge Road in Barton, Kansas is rated Good in the FHWA's 2024 National Bridge Inventory. Built in 1976, it carries 1 rated component on the inspecting agency's 0-9 scale, and its weakest reported component scores 7. The lowest applicable rating sets the federal condition category, so this Good 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:510900050000001

INTERSTATE-ERA · CONCRETE · SINGLE-SPAN · CULVERT-LED · LOCAL-ADT · STANDARD-LOAD · CAT-GOOD

  • INTERSTATE-ERA 1950–1979
  • CONCRETE Concrete
  • SINGLE-SPAN Single span
  • CULVERT-LED Culvert-led
  • LOCAL-ADT Local ADT
  • STANDARD-LOAD Standard load
  • CAT-GOOD Good

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: Rock Bridge Road

The Rock Bridge Road bridge in Barton, Kansas carries Rock Bridge Road over DRAINAGE DITCH. It was built in 1976, making it 50 years old today. The structure is built primarily of concrete and spans 1 section, stretching 6.2 meters (20 feet) end to end. Daily traffic averages 205 vehicles, placing it in the lower-traffic tier of Kansas bridges. It is owned and maintained by City/Municipal 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.

How Rock Bridge Road compares

▼ 3.8
Load rating vs Kansas average (29.2 t; 24,893 of 24,894 rated)
449
Bridges in Barton · 1 in Poor condition

Age against the county: built in 1976, earlier than 95 of Barton's 449 bridges with a recorded construction year (21%), against a county median build year of 1955. This is one of the newer structures in its county.

Rock Bridge Road 25.4 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).

Rock Bridge Road vs every rated Kansas bridge

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

25 Top 55% higher than 45% 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
7/9
Good (7–9)
Inventory Load Rating
25.4 t
NBI inventory level (metric tons)
Overall Condition
Good

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

Barton inventory by recorded NBI category

Exclusive Good/Fair/Poor bands across all 449 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
1976
Material
Concrete
Number of Spans
1
Structure Length
6.2 m (20 ft)
Deck Width
13.4 m (44 ft)
Owner
City/Municipal Highway Agency
Avg Daily Traffic
205 vehicles/day
Structure Number
510900050000001

How to read this record

This page shows what the last federal inspection recorded, not whether Rock Bridge Road 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 Rock Bridge Road against other structures in Barton 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 Rock Bridge Road?

Rock Bridge Road in Barton, Kansas on the FHWA's 0–9 scale.

How often is Rock Bridge Road inspected?

Rock Bridge Road'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 205 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. Rock Bridge Road 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 Rock Bridge Road?

Rock Bridge Road has an NBI inventory load rating of 25.4 metric tons.

Who is responsible for maintaining Rock Bridge Road?

Rock Bridge Road is owned and maintained by City/Municipal Highway Agency.

How old is Rock Bridge Road and does age affect safety?

Rock Bridge Road was built in 1976, making it 50 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.