FHWA NBI 2024 Inspection record Public-domain dataset

COLBERN RD

Carrying COLBERN RD over LK JACOMO

S 27 T 48 N R 31 W, Jackson, Missouri

Inventory: FHWA NBI 2024 · last ETL August 2026

FHWA NBI record, refreshed with each annual release.

Fair
32 t Inventory load rating Lower than 56% of rated Missouri bridges

COLBERN RD in Jackson, Missouri sits above 44% of rated Missouri bridges on inventory load rating (32 t), while its 1929 build year is earlier than 96% of Jackson's recorded-year cohort (930 bridges).

COLBERN RD in Jackson, Missouri is rated Fair in the FHWA's 2024 National Bridge Inventory. Built in 1929, it carries 1 rated component on the inspecting agency's 0-9 scale, and its weakest reported component scores 5. 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 MO:19465

PRE-1950 · CONCRETE · MULTI-SPAN · CULVERT-LED · ARTERIAL-ADT · STANDARD-LOAD · CAT-FAIR

  • PRE-1950 Pre-1950
  • CONCRETE Concrete
  • MULTI-SPAN 3 spans
  • CULVERT-LED Culvert-led
  • ARTERIAL-ADT Arterial ADT
  • STANDARD-LOAD Standard 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: COLBERN RD

The COLBERN RD bridge in Jackson, Missouri carries COLBERN RD over LK JACOMO. It was built in 1929, making it 97 years old today. It was last reconstructed in 1984, extending its service life. The structure is built primarily of concrete and spans 3 sections, stretching 12.8 meters (42 feet) end to end. Daily traffic averages 9,498 vehicles, placing it in the moderately-trafficked tier of Missouri bridges. It is owned and maintained by County Highway Agency.

The latest FHWA inspection records show culvert at 5/9. The weakest component sits in fair condition. None of this bridge's reported major components fall into the Poor condition range.

How COLBERN RD compares

▼ 1.3
Load rating vs Missouri average (33.7 t; 24,616 of 24,618 rated)
930
Bridges in Jackson · 50 in Poor condition

Age against the county: built in 1929, earlier than 895 of Jackson's 930 bridges with a recorded construction year (96%), against a county median build year of 1985. Age is not a defect on its own, but it is the population from which future Poor ratings are drawn.

COLBERN RD 32.4 t
Missouri average (24,616 of 24,618 rated) 33.7 t

Live comparison across Missouri bridges with a recorded inventory load rating (24,616 of 24,618 rated).

COLBERN RD vs every rated Missouri bridge

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

32 Top 56% higher than 44% of 24,616 bridges

rated Missouri 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
5/9
Fair (5–6)
Inventory Load Rating
32.4 t
NBI inventory level (metric tons)
Overall Condition
Fair

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

Jackson inventory by recorded NBI category

Exclusive Good/Fair/Poor bands across all 930 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
1929
Last Reconstructed
1984
Material
Concrete
Number of Spans
3
Structure Length
12.8 m (42 ft)
0
Owner
County Highway Agency
Avg Daily Traffic
9,498 vehicles/day
Structure Number
19465

How to read this record

This page shows what the last federal inspection recorded, not whether COLBERN RD 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 COLBERN RD against other structures in Jackson and across Missouri. Missouri 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 COLBERN RD?

COLBERN RD in Jackson, Missouri on the FHWA's 0–9 scale.

How often is COLBERN RD inspected?

COLBERN RD'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 9,498 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. COLBERN RD 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 COLBERN RD?

COLBERN RD has an NBI inventory load rating of 32.4 metric tons.

Who is responsible for maintaining COLBERN RD?

COLBERN RD is owned and maintained by County Highway Agency.

How old is COLBERN RD and does age affect safety?

COLBERN RD was built in 1929, making it 97 years old and last reconstructed in 1984.

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

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

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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.