FHWA NBI 2024 Inspection record Public-domain dataset

SB I225 RAMP TO 83

Carrying SB I225 RAMP TO 83 over RTD UNDERPASS R

IN AURORA, Arapahoe, 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 87% of rated Colorado bridges

SB I225 RAMP TO 83 in Arapahoe, Colorado sits above 87% of rated Colorado bridges on inventory load rating (49 t), while its 2003 build year is earlier than 16% of Arapahoe's recorded-year cohort (391 bridges).

SB I225 RAMP TO 83 in Arapahoe, Colorado is rated Good in the FHWA's 2024 National Bridge Inventory. Built in 2003, it carries 3 rated components 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:F-17-KI

POST-2000 · PRESTRESS · MULTI-SPAN · TIED-CTRL · HEAVY-ADT · HEAVY-LOAD · CAT-GOOD

  • POST-2000 2000+
  • PRESTRESS Prestressed concrete
  • MULTI-SPAN 3 spans
  • TIED-CTRL Tied control
  • HEAVY-ADT Heavy 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: SB I225 RAMP TO 83

The SB I225 RAMP TO 83 bridge in Arapahoe, Colorado carries SB I225 RAMP TO 83 over RTD UNDERPASS R. It was built in 2003, making it 23 years old today. The structure is built primarily of prestressed concrete continuous and spans 3 sections, stretching 65.6 meters (215 feet) end to end. Daily traffic averages 26,000 vehicles, placing it in the heavily-trafficked tier of Colorado bridges. It is owned and maintained by State Highway Agency.

The latest FHWA inspection records show a deck rating of 7/9, superstructure at 7/9, substructure at 7/9. The weakest component sits in good condition. All reported major components score above the Poor range.

How SB I225 RAMP TO 83 compares

▲ 12.6
Load rating vs Colorado average (36.8 t; 8,962 of 8,965 rated)
391
Bridges in Arapahoe · 28 in Poor condition

Age against the county: built in 2003, earlier than 64 of Arapahoe's 391 bridges with a recorded construction year (16%), against a county median build year of 1986. This is one of the newer structures in its county.

SB I225 RAMP TO 83 49.4 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).

SB I225 RAMP TO 83 vs every rated Colorado bridge

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

49 Top 13% higher than 87% 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

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

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

Reported 0–9 component ratings from the FHWA NBI. The highlighted component is the lowest reported input to this record’s current condition category; it is not a closure or live crossing-safety decision.

Arapahoe inventory by recorded NBI category

Exclusive Good/Fair/Poor bands across all 391 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
2003
Material
Prestressed Concrete Continuous
Number of Spans
3
Structure Length
65.6 m (215 ft)
Deck Width
9.7 m (32 ft)
Owner
State Highway Agency
Avg Daily Traffic
26,000 vehicles/day
Structure Number
F-17-KI

Condition Analysis

  • The deck (driving surface) rates good at 7/9, with no significant deterioration on file.
  • 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) rates good at 7/9, with no significant deterioration on file.

How to read this record

This page shows what the last federal inspection recorded, not whether SB I225 RAMP TO 83 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 SB I225 RAMP TO 83 against other structures in Arapahoe 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 SB I225 RAMP TO 83?

SB I225 RAMP TO 83 in Arapahoe, Colorado has a deck rating of 7/9, superstructure rating of 7/9, and substructure rating of 7/9 on the FHWA's 0–9 scale.

How often is SB I225 RAMP TO 83 inspected?

SB I225 RAMP TO 83'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 26,000 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. SB I225 RAMP TO 83 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 SB I225 RAMP TO 83?

SB I225 RAMP TO 83 has an NBI inventory load rating of 49.4 metric tons.

Who is responsible for maintaining SB I225 RAMP TO 83?

SB I225 RAMP TO 83 is owned and maintained by State Highway Agency.

How old is SB I225 RAMP TO 83 and does age affect safety?

SB I225 RAMP TO 83 was built in 2003, making it 23 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

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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.