FHWA NBI 2024 Inspection record Public-domain dataset

NFSR 959.1

Carrying NFSR 959.1 over TROUT CREEK

1 MI. N. OF SHERIFF RESV, Rio Blanco, Colorado

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Good
20 t Inventory load rating

Bridge Snapshot: NFSR 959.1

The NFSR 959.1 bridge in Rio Blanco, Colorado carries NFSR 959.1 over TROUT CREEK. It was built in 1960, making it 66 years old today. The structure is built primarily of wood or timber and spans 1 section, stretching 11.5 meters (38 feet) end to end. Daily traffic averages 72 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 a deck rating of 7/9, superstructure at 7/9, substructure at 7/9. The weakest component sits in good condition. No reported major component scores in the Poor range under the current federal condition thresholds. Its NBI inventory load rating is 20.4 metric tons.

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

How NFSR 959.1 compares

▼ 16.7
Load rating vs Colorado average (37.1 t)
Bottom 10%
Lower load rating than 90% of Colorado bridges
54
Bridges in Rio Blanco · 1 in Poor condition
NFSR 959.1 20.4 t
Colorado average 37.1 t

Live comparison across Colorado.

Historical Sufficiency Rating

PlainBridge-computed
70.5 / 100 - historical 50–79.9 band
Structural adequacy /55
41.5
Serviceability /30
14.0
Essentiality /15
15.0
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 How the historical reference is calculated.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

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

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

Structural Details

Year Built
1960
Material
Wood or Timber
Number of Spans
1
Structure Length
11.5 m (38 ft)
Deck Width
4.6 m (15 ft)
Owner
U.S. Forest Service
Avg Daily Traffic
72 vehicles/day
Structure Number
020601000001007

Condition Analysis

  • At 7/9, the deck (driving surface) is in good shape and shows no significant wear.
  • At 7/9, the superstructure (beams and supports above the deck) is in good shape and shows no significant wear.
  • At 7/9, 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 NFSR 959.1 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 959.1 against other structures in Rio Blanco 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 959.1?

NFSR 959.1 in Rio Blanco, 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 959.1 inspected?

NFSR 959.1'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 72 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. NFSR 959.1 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 959.1?

NFSR 959.1 has an NBI inventory load rating of 20.4 metric tons.

Who is responsible for maintaining NFSR 959.1?

NFSR 959.1 is owned and maintained by U.S. Forest Service.

How old is NFSR 959.1 and does age affect safety?

NFSR 959.1 was built in 1960, making it 66 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.