FHWA NBI 2024 Inspection record Public-domain dataset

SH 9 ML

Carrying SH 9 ML over PEDESTRIAN UNDERPASS

200 FT S of Peak One Blvd, Summit, Colorado

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Good
33 t Inventory load rating

Bridge Snapshot: SH 9 ML

The SH 9 ML bridge in Summit, Colorado carries SH 9 ML over PEDESTRIAN UNDERPASS. It was built in 2023, making it 3 years old today. The structure is built primarily of aluminum/iron and spans 1 section, stretching 7.5 meters (25 feet) end to end. Daily traffic averages 22,287 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 superstructure at 9/9, substructure at 9/9. The weakest component sits in good condition. All reported major components score above the Poor range. Its NBI inventory load rating is 32.7 metric tons.

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

How SH 9 ML compares

▼ 4.4
Load rating vs Colorado average (37.1 t)
Bottom 42%
Lower load rating than 58% of Colorado bridges
57
Bridges in Summit · 3 in Poor condition
SH 9 ML 32.7 t
Colorado average 37.1 t

Live comparison across Colorado.

Historical Sufficiency Rating

PlainBridge-computed
95.9 / 100 - historical 80–100 band
Structural adequacy /55
55.0
Serviceability /30
29.0
Essentiality /15
11.9
Special reductions
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 How the historical reference is calculated.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

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

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

Structural Details

Year Built
2023
Material
Aluminum/Iron
Number of Spans
1
Structure Length
7.5 m (25 ft)
Deck Width
33.2 m (109 ft)
Owner
State Highway Agency
Avg Daily Traffic
22,287 vehicles/day
Structure Number
F-12-AE

Condition Analysis

  • The superstructure (beams and supports above the deck) is in good condition (9/9), showing no significant deterioration.
  • At 9/9, the substructure (piers and abutments) is in good shape and shows no significant wear.

How to read this record

This page shows what the last federal inspection recorded, not whether SH 9 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 9 ML against other structures in Summit 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 9 ML?

SH 9 ML in Summit, Colorado, superstructure rating of 9/9, and substructure rating of 9/9 on the FHWA's 0–9 scale.

How often is SH 9 ML inspected?

SH 9 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 22,287 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. SH 9 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 9 ML?

SH 9 ML has an NBI inventory load rating of 32.7 metric tons.

Who is responsible for maintaining SH 9 ML?

SH 9 ML is owned and maintained by State Highway Agency.

How old is SH 9 ML and does age affect safety?

SH 9 ML was built in 2023, making it 3 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.