FDR 360
Carrying FDR 360 over SOUTH FORK
1.2 MI SW OF SOUTH FORK, Rio Grande, Colorado
Data updated May 2026
FHWA NBI record, refreshed with each annual release.
Bridge Snapshot: FDR 360
The FDR 360 bridge in Rio Grande, Colorado carries FDR 360 over SOUTH FORK. It was built in 1976, making it 50 years old today. It was last reconstructed in 1992, extending its service life. The structure is built primarily of steel and spans 3 sections, stretching 27.4 meters (90 feet) end to end. Daily traffic averages 738 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 records show superstructure at 6/9, substructure at 3/9. The weakest component sits in poor condition. At least one major component here scores 4 or below, which produces a Poor condition classification under FHWA's current reporting rules. Its NBI inventory load rating is 29.5 metric tons.
Sourced from the FHWA National Bridge Inventory. See our methodology for refresh cadence and NBI release vintage.
How FDR 360 compares
Live comparison across Colorado.
Historical Sufficiency Rating
PlainBridge-computedFHWA discontinued this calculated item; it does not determine current condition, funding eligibility, posting, or closure. How the historical reference is calculated.
Condition Ratings
Full 0–9 scale + sufficiency-rating breakdown: how condition ratings work.
Structural Details
- Year Built
- 1976
- Last Reconstructed
- 1992
- Material
- Steel
- Number of Spans
- 3
- Structure Length
- 27.4 m (90 ft)
- Deck Width
- 8.0 m (26 ft)
- Owner
- U.S. Forest Service
- Avg Daily Traffic
- 738 vehicles/day
- Structure Number
- 020905000001026
Location
Data Source
FHWA National Bridge Inventory (NBI).
FHWA NBI Program ↗Condition Analysis
- • The superstructure (beams and supports above the deck) rates fair at 6/9, minor deterioration that routine maintenance should address.
- • At 3/9, the substructure (piers and abutments) is in poor shape, with advanced wear flagged for priority repair.
How to read this record
FDR 360 is in the federal Poor condition category. That is a component-based result, not a closure order.
- NBI condition ratings reflect the latest record in this annual dataset, not a live status. Current routine inspection intervals are risk-based.
- Understand what Poor condition does and does not mean before drawing conclusions. Poor condition explained
- Compare FDR 360 against other structures in Rio Grande 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 FDR 360?
FDR 360 in Rio Grande, Colorado, superstructure rating of 6/9, and substructure rating of 3/9 on the FHWA's 0–9 scale.
How often is FDR 360 inspected?
FDR 360'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 738 vehicles per day.
What does “structurally deficient” mean in older bridge reports?
FHWA retired that reported status beginning with the 2018 archive. FDR 360 is currently shown as Poor condition from its component ratings; that category is not a live closure or safety decision.
What is the inventory load rating for FDR 360?
FDR 360 has an NBI inventory load rating of 29.5 metric tons.
Who is responsible for maintaining FDR 360?
FDR 360 is owned and maintained by U.S. Forest Service.
How old is FDR 360 and does age affect safety?
FDR 360 was built in 1976, making it 50 years old and last reconstructed in 1992.
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.
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.