SR 170 BUNKERVL RD
Carrying SR 170 BUNKERVL RD over DRY WASH
WEST OF BUNKERVILLE, Clark, Nevada
Inventory: FHWA NBI 2024 · last ETL August 2026
FHWA NBI record, refreshed with each annual release.
SR 170 BUNKERVL RD in Clark, Nevada sits above 19% of rated Nevada bridges on inventory load rating (29 t), while its 1932 build year is earlier than 100% of Clark's recorded-year cohort (1,141 bridges).
SR 170 BUNKERVL RD in Clark, Nevada is rated Fair in the FHWA's 2024 National Bridge Inventory. Built in 1932, it carries 1 rated component on the inspecting agency's 0-9 scale, and its weakest reported component scores 6. The lowest applicable rating sets the federal condition category, so this Fair 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 NV:B 87
PRE-1950 · CONCRETE · MULTI-SPAN · CULVERT-LED · LOCAL-ADT · STANDARD-LOAD · CAT-FAIR
- PRE-1950 Pre-1950
- CONCRETE Concrete
- MULTI-SPAN 2 spans
- CULVERT-LED Culvert-led
- LOCAL-ADT Local ADT
- STANDARD-LOAD Standard load
- CAT-FAIR Fair
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: SR 170 BUNKERVL RD
The SR 170 BUNKERVL RD bridge in Clark, Nevada carries SR 170 BUNKERVL RD over DRY WASH. It was built in 1932, making it 94 years old today. The structure is built primarily of concrete and spans 2 sections, stretching 6.4 meters (21 feet) end to end. Daily traffic averages 240 vehicles, placing it in the lower-traffic tier of Nevada bridges. It is owned and maintained by State Highway Agency.
The latest FHWA inspection records show culvert at 6/9. The weakest component sits in fair condition. All reported major components score above the Poor range.
How SR 170 BUNKERVL RD compares
Age against the county: built in 1932, earlier than 1,138 of Clark's 1,141 bridges with a recorded construction year (100%), against a county median build year of 1998. Age is not a defect on its own, but it is the population from which future Poor ratings are drawn.
Live comparison across Nevada bridges with a recorded inventory load rating (2,090 of 2,099 rated).
SR 170 BUNKERVL RD vs every rated Nevada bridge
Inventory load rating (metric tons), FHWA NBI, this state
29 Top 81% higher than 19% of 2,090 bridges
rated Nevada 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.
Clark inventory by recorded NBI category
Exclusive Good/Fair/Poor bands across all 1,141 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
- 1932
- Material
- Concrete
- Number of Spans
- 2
- Structure Length
- 6.4 m (21 ft) 0
- Owner
- State Highway Agency
- Avg Daily Traffic
- 240 vehicles/day
- Structure Number
- B 87
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 SR 170 BUNKERVL RD 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 SR 170 BUNKERVL RD against other structures in Clark and across Nevada. Nevada 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 SR 170 BUNKERVL RD?
SR 170 BUNKERVL RD in Clark, Nevada on the FHWA's 0–9 scale.
How often is SR 170 BUNKERVL RD inspected?
SR 170 BUNKERVL RD'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 240 vehicles per day.
What does “structurally deficient” mean in older bridge reports?
FHWA retired that reported status beginning with the 2018 archive. SR 170 BUNKERVL RD 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 SR 170 BUNKERVL RD?
SR 170 BUNKERVL RD has an NBI inventory load rating of 29.1 metric tons.
Who is responsible for maintaining SR 170 BUNKERVL RD?
SR 170 BUNKERVL RD is owned and maintained by State Highway Agency.
How old is SR 170 BUNKERVL RD and does age affect safety?
SR 170 BUNKERVL RD was built in 1932, making it 94 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.