Ni Cnty Rd 50
Carrying Ni Cnty Rd 50 over Lightning Creek
Kaye Field Road, Niobrara, Wyoming
Inventory: FHWA NBI 2024 · last ETL August 2026
FHWA NBI record, refreshed with each annual release.
Ni Cnty Rd 50 in Niobrara, Wyoming sits above 83% of rated Wyoming bridges on inventory load rating (41 t), while its 1994 build year is earlier than 32% of Niobrara's recorded-year cohort (34 bridges).
Ni Cnty Rd 50 in Niobrara, Wyoming is rated Good in the FHWA's 2024 National Bridge Inventory. Built in 1994, 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 WY:KHV
LATE-CENTURY · CONCRETE · SINGLE-SPAN · TIED-CTRL · TRACE-ADT · HEAVY-LOAD · CAT-GOOD
- LATE-CENTURY 1980–1999
- CONCRETE Concrete
- SINGLE-SPAN Single span
- TIED-CTRL Tied control
- TRACE-ADT Trace ADT
- HEAVY-LOAD Heavy 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.
Bridge Snapshot: Ni Cnty Rd 50
The Ni Cnty Rd 50 bridge in Niobrara, Wyoming carries Ni Cnty Rd 50 over Lightning Creek. It was built in 1994, making it 32 years old today. The structure is built primarily of concrete and spans 1 section, stretching 16.8 meters (55 feet) end to end. Daily traffic averages 24 vehicles, placing it in the lower-traffic tier of Wyoming bridges. It is owned and maintained by County Highway Agency.
The latest FHWA inspection records show a deck rating of 7/9, superstructure at 8/9, substructure at 7/9. The weakest component sits in good condition. None of this bridge's reported major components fall into the Poor condition range.
How Ni Cnty Rd 50 compares
Age against the county: built in 1994, earlier than 11 of Niobrara's 34 bridges with a recorded construction year (32%), against a county median build year of 1990. This is one of the newer structures in its county.
Live comparison across Wyoming bridges with a recorded inventory load rating (3,118 of 3,136 rated).
Ni Cnty Rd 50 vs every rated Wyoming bridge
Inventory load rating (metric tons), FHWA NBI, this state
41 Top 17% higher than 83% of 3,118 bridges
rated Wyoming 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.
Niobrara inventory by recorded NBI category
Exclusive Good/Fair/Poor bands across all 34 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
- 1994
- Material
- Concrete
- Number of Spans
- 1
- Structure Length
- 16.8 m (55 ft)
- Deck Width
- 8.5 m (28 ft)
- Owner
- County Highway Agency
- Avg Daily Traffic
- 24 vehicles/day
- Structure Number
- KHV
Condition Analysis
- • At 7/9, the deck (driving surface) is in good shape and shows no significant wear.
- • The superstructure (beams and supports above the deck) rates good at 8/9, with no significant deterioration on file.
- • 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 Ni Cnty Rd 50 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 Ni Cnty Rd 50 against other structures in Niobrara 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 Ni Cnty Rd 50?
Ni Cnty Rd 50 in Niobrara, Wyoming has a deck rating of 7/9, superstructure rating of 8/9, and substructure rating of 7/9 on the FHWA's 0–9 scale.
How often is Ni Cnty Rd 50 inspected?
Ni Cnty Rd 50'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 24 vehicles per day.
What does “structurally deficient” mean in older bridge reports?
FHWA retired that reported status beginning with the 2018 archive. Ni Cnty Rd 50 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 Ni Cnty Rd 50?
Ni Cnty Rd 50 has an NBI inventory load rating of 40.8 metric tons.
Who is responsible for maintaining Ni Cnty Rd 50?
Ni Cnty Rd 50 is owned and maintained by County Highway Agency.
How old is Ni Cnty Rd 50 and does age affect safety?
Ni Cnty Rd 50 was built in 1994, making it 32 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.
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.