FHWA NBI 2024 Inspection record Public-domain dataset

SH 64 ML

Carrying SH 64 ML over DRAW

15 MI E OF JCT SH 139, Rio Blanco, Colorado

Inventory: FHWA NBI 2024 · last ETL August 2026

FHWA NBI record, refreshed with each annual release.

Good
49 t Inventory load rating Higher than 86% of rated Colorado bridges

SH 64 ML in Rio Blanco, Colorado sits above 86% of rated Colorado bridges on inventory load rating (49 t), while its 2000 build year is earlier than 19% of Rio Blanco's recorded-year cohort (54 bridges).

SH 64 ML in Rio Blanco, Colorado is rated Good in the FHWA's 2024 National Bridge Inventory. Built in 2000, 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 CO:D-02-I

POST-2000 · CONCRETE · MULTI-SPAN · CULVERT-LED · LOCAL-ADT · HEAVY-LOAD · CAT-GOOD

  • POST-2000 2000+
  • CONCRETE Concrete
  • MULTI-SPAN 2 spans
  • CULVERT-LED Culvert-led
  • LOCAL-ADT Local ADT
  • HEAVY-LOAD Heavy 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: SH 64 ML

The SH 64 ML bridge in Rio Blanco, Colorado carries SH 64 ML over DRAW. It was built in 2000, making it 26 years old today. The structure is built primarily of concrete and spans 2 sections, stretching 6.4 meters (21 feet) end to end. Daily traffic averages 670 vehicles, placing it in the lower-traffic tier of Colorado bridges. It is owned and maintained by State Highway Agency.

The latest FHWA inspection records show culvert at 7/9. The weakest component sits in good condition. All reported major components score above the Poor range.

How SH 64 ML compares

▲ 11.8
Load rating vs Colorado average (36.8 t; 8,962 of 8,965 rated)
54
Bridges in Rio Blanco · 1 in Poor condition

Age against the county: built in 2000, earlier than 10 of Rio Blanco's 54 bridges with a recorded construction year (19%), against a county median build year of 1984. This is one of the newer structures in its county.

SH 64 ML 48.6 t
Colorado average (8,962 of 8,965 rated) 36.8 t

Live comparison across Colorado bridges with a recorded inventory load rating (8,962 of 8,965 rated).

SH 64 ML vs every rated Colorado bridge

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

49 Top 14% higher than 86% of 8,962 bridges

rated Colorado 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
48.6 t
NBI inventory level (metric tons)
Overall Condition
Good

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

Rio Blanco inventory by recorded NBI category

Exclusive Good/Fair/Poor bands across all 54 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
2000
Material
Concrete
Number of Spans
2
Structure Length
6.4 m (21 ft)
Deck Width
21.3 m (70 ft)
Owner
State Highway Agency
Avg Daily Traffic
670 vehicles/day
Structure Number
D-02-I

How to read this record

This page shows what the last federal inspection recorded, not whether SH 64 ML 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 SH 64 ML against other structures in Rio Blanco and across Colorado. Colorado 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 SH 64 ML?

SH 64 ML in Rio Blanco, Colorado on the FHWA's 0–9 scale.

How often is SH 64 ML inspected?

SH 64 ML'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 670 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. SH 64 ML 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 SH 64 ML?

SH 64 ML has an NBI inventory load rating of 48.6 metric tons.

Who is responsible for maintaining SH 64 ML?

SH 64 ML is owned and maintained by State Highway Agency.

How old is SH 64 ML and does age affect safety?

SH 64 ML was built in 2000, making it 26 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.

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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.