FHWA NBI 2024 Inspection record Public-domain dataset

Timberline Road

Carrying Timberline Road over Fossil Creek

0.2 Mi. N. Carpenter Rd., Larimer, Colorado

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Good
100 t Inventory load rating

Bridge Snapshot: Timberline Road

The Timberline Road bridge in Larimer, Colorado carries Timberline Road over Fossil Creek. It was built in 2004, making it 22 years old today. The structure is built primarily of concrete and spans 9 sections, stretching 30.5 meters (100 feet) end to end. Daily traffic averages 12,006 vehicles, placing it in the heavily-trafficked tier of Colorado bridges. It is owned and maintained by City/Municipal 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. Its NBI inventory load rating is 99.9 metric tons.

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

How Timberline Road compares

▲ 62.8
Load rating vs Colorado average (37.1 t)
Top 3%
Higher load rating than 97% of Colorado bridges
559
Bridges in Larimer · 11 in Poor condition
Timberline Road 99.9 t
Colorado average 37.1 t

Live comparison across Colorado.

Historical Sufficiency Rating

PlainBridge-computed
95.3 / 100 - historical 80–100 band
Structural adequacy /55
55.0
Serviceability /30
30.0
Essentiality /15
13.3
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 How the historical reference is calculated.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
7/9
Good (7–9)
Inventory Load Rating
99.9 t
NBI inventory level (metric tons)
Overall Condition
Good

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

Structural Details

Year Built
2004
Material
Concrete
Number of Spans
9
Structure Length
30.5 m (100 ft)
Deck Width
18.3 m (60 ft)
Owner
City/Municipal Highway Agency
Avg Daily Traffic
12,006 vehicles/day
Structure Number
FCTMB-0.2-CRPTR

How to read this record

This page shows what the last federal inspection recorded, not whether Timberline Road 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 Timberline Road against other structures in Larimer 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 Timberline Road?

Timberline Road in Larimer, Colorado on the FHWA's 0–9 scale.

How often is Timberline Road inspected?

Timberline Road'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 12,006 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. Timberline Road 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 Timberline Road?

Timberline Road has an NBI inventory load rating of 99.9 metric tons.

Who is responsible for maintaining Timberline Road?

Timberline Road is owned and maintained by City/Municipal Highway Agency.

How old is Timberline Road and does age affect safety?

Timberline Road was built in 2004, making it 22 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.