FHWA NBI 2024 Inspection record Public-domain dataset

NORRIS - CANYON RO

Carrying NORRIS - CANYON RO over GIBBON RIVER

0.3 MI. EAST OF NORRIS JC, Park, Wyoming

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Fair
30 t Inventory load rating

Bridge Snapshot: NORRIS - CANYON RO

The NORRIS - CANYON RO bridge in Park, Wyoming carries NORRIS - CANYON RO over GIBBON RIVER. It was built in 1966, making it 60 years old today. The structure is built primarily of concrete and spans 2 sections, stretching 6.2 meters (20 feet) end to end. Daily traffic averages 3,500 vehicles, placing it in the moderately-trafficked tier of Wyoming bridges. It is owned and maintained by National Park Service.

The latest FHWA inspection records show culvert at 6/9. The weakest component sits in fair condition. None of this bridge's reported major components fall into the Poor condition range. Its NBI inventory load rating is 29.9 metric tons.

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

How NORRIS - CANYON RO compares

▼ 3.6
Load rating vs Wyoming average (33.5 t)
Bottom 28%
Lower load rating than 72% of Wyoming bridges
187
Bridges in Park · 8 in Poor condition
NORRIS - CANYON RO 29.9 t
Wyoming average 33.5 t

Live comparison across Wyoming.

Historical Sufficiency Rating

PlainBridge-computed
77.7 / 100 - historical 50–79.9 band
Structural adequacy /55
53.7
Serviceability /30
29.0
Essentiality /15
0.0
Special reductions
−5.0

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 How the historical reference is calculated.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
29.9 t
NBI inventory level (metric tons)
Overall Condition
Fair

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

Structural Details

Year Built
1966
Material
Concrete
Number of Spans
2
Structure Length
6.2 m (20 ft)
Owner
National Park Service
Avg Daily Traffic
3,500 vehicles/day
Structure Number
1570049P0000000

How to read this record

This page shows what the last federal inspection recorded, not whether NORRIS - CANYON RO 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 NORRIS - CANYON RO against other structures in Park and across Wyoming. Wyoming 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 NORRIS - CANYON RO?

NORRIS - CANYON RO in Park, Wyoming on the FHWA's 0–9 scale.

How often is NORRIS - CANYON RO inspected?

NORRIS - CANYON RO'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 3,500 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. NORRIS - CANYON RO 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 NORRIS - CANYON RO?

NORRIS - CANYON RO has an NBI inventory load rating of 29.9 metric tons.

Who is responsible for maintaining NORRIS - CANYON RO?

NORRIS - CANYON RO is owned and maintained by National Park Service.

How old is NORRIS - CANYON RO and does age affect safety?

NORRIS - CANYON RO was built in 1966, making it 60 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.