NFSR 350
Carrying NFSR 350 over TROUT CREEK
0.1 MI E OF SH 67, Douglas, Colorado
Inventory: FHWA NBI 2024 · last ETL August 2026
FHWA NBI record, refreshed with each annual release.
NFSR 350 in Douglas, Colorado sits above 67% of rated Colorado bridges on inventory load rating (37 t), while its 1992 build year is earlier than 56% of Douglas's recorded-year cohort (263 bridges).
NFSR 350 in Douglas, Colorado is rated Good in the FHWA's 2024 National Bridge Inventory. Built in 1992, 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:021209000001023
LATE-CENTURY · PRESTRESS · SINGLE-SPAN · TIED-CTRL · LOCAL-ADT · STANDARD-LOAD · CAT-GOOD
- LATE-CENTURY 1980–1999
- PRESTRESS Prestressed concrete
- SINGLE-SPAN Single span
- TIED-CTRL Tied control
- LOCAL-ADT Local ADT
- STANDARD-LOAD Standard 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.
Structural health score
A composite of the deck, superstructure, and substructure NBI condition ratings plus the inventory load rating, benchmarked against the full national bridge corpus, distinct from the Good/Fair/Poor category above.
Bridge Snapshot: NFSR 350
The NFSR 350 bridge in Douglas, Colorado carries NFSR 350 over TROUT CREEK. It was built in 1992, making it 34 years old today. The structure is built primarily of prestressed concrete and spans 1 section, stretching 11.2 meters (37 feet) end to end. Daily traffic averages 123 vehicles, placing it in the lower-traffic tier of Colorado bridges. It is owned and maintained by U.S. Forest Service.
The latest FHWA inspection places the weakest component in good condition (see the full component ratings below). None of this bridge's reported major components fall into the Poor condition range.
How NFSR 350 compares
Age against the county: built in 1992, earlier than 146 of Douglas's 263 bridges with a recorded construction year (56%), against a county median build year of 1996. Age is not a defect on its own, but it is the population from which future Poor ratings are drawn.
Live comparison across Colorado bridges with a recorded inventory load rating (8,962 of 8,965 rated).
NFSR 350 vs every rated Colorado bridge
Inventory load rating (metric tons), FHWA NBI, this state
37 Top 33% higher than 67% 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
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.
Douglas inventory by recorded NBI category
Exclusive Good/Fair/Poor bands across all 263 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
- 1992
- Material
- Prestressed Concrete
- Number of Spans
- 1
- Structure Length
- 11.2 m (37 ft)
- Deck Width
- 9.8 m (32 ft)
- Owner
- U.S. Forest Service
- Avg Daily Traffic
- 123 vehicles/day
- Structure Number
- 021209000001023
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) is in good condition (7/9), showing no significant deterioration.
Location
Data Source
FHWA National Bridge Inventory (NBI).
FHWA NBI Program ↗How to read this record
This page shows what the last federal inspection recorded, not whether NFSR 350 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 NFSR 350 against other structures in Douglas 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 NFSR 350?
NFSR 350 in Douglas, 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 NFSR 350 inspected?
NFSR 350'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 123 vehicles per day.
What does “structurally deficient” mean in older bridge reports?
FHWA retired that reported status beginning with the 2018 archive. NFSR 350 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 NFSR 350?
NFSR 350 has an NBI inventory load rating of 37.2 metric tons.
Who is responsible for maintaining NFSR 350?
NFSR 350 is owned and maintained by U.S. Forest Service.
How old is NFSR 350 and does age affect safety?
NFSR 350 was built in 1992, making it 34 years old.
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.
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.