FHWA NBI 2024 Inspection record Public-domain dataset

US 160 ML

Carrying US 160 ML over LIGHTNER CREEK

S.W. EDGE OF DURANGO, La Plata, Colorado

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Fair
55 t Inventory load rating

Bridge Snapshot: US 160 ML

The US 160 ML bridge in La Plata, Colorado carries US 160 ML over LIGHTNER CREEK. It was built in 1970, making it 56 years old today. The structure is built primarily of concrete and spans 2 sections, stretching 9.9 meters (32 feet) end to end. Daily traffic averages 19,000 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 culvert at 6/9. The weakest component sits in fair condition. No reported major component scores in the Poor range under the current federal condition thresholds. Its NBI inventory load rating is 55.2 metric tons.

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

How US 160 ML compares

▲ 18.1
Load rating vs Colorado average (37.1 t)
Top 11%
Higher load rating than 89% of Colorado bridges
102
Bridges in La Plata · 2 in Poor condition
US 160 ML 55.2 t
Colorado average 37.1 t

Live comparison across Colorado.

Historical Sufficiency Rating

PlainBridge-computed
82.0 / 100 - historical 80–100 band
Structural adequacy /55
55.0
Serviceability /30
30.0
Essentiality /15
0.0
Special reductions
−3.0

FHWA discontinued this calculated item; it does not determine current condition, funding eligibility, posting, or closure. How the historical reference is calculated.

Condition Ratings

Culvert
6/9
Fair (5–6)
Inventory Load Rating
55.2 t
NBI inventory level (metric tons)
Overall Condition
Fair

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

Structural Details

Year Built
1970
Material
Concrete
Number of Spans
2
Structure Length
9.9 m (32 ft)
Deck Width
44.4 m (146 ft)
Owner
State Highway Agency
Avg Daily Traffic
19,000 vehicles/day
Structure Number
O-05-AK

How to read this record

This page shows what the last federal inspection recorded, not whether US 160 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 US 160 ML against other structures in La Plata 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 US 160 ML?

US 160 ML in La Plata, Colorado on the FHWA's 0–9 scale.

How often is US 160 ML inspected?

US 160 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 19,000 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. US 160 ML 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 US 160 ML?

US 160 ML has an NBI inventory load rating of 55.2 metric tons.

Who is responsible for maintaining US 160 ML?

US 160 ML is owned and maintained by State Highway Agency.

How old is US 160 ML and does age affect safety?

US 160 ML was built in 1970, making it 56 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.