FHWA NBI 2024 Inspection record Public-domain dataset

SR 170 BUNKERVILLE

Carrying SR 170 BUNKERVILLE over VIRGIN RIVER

MESQUITE, Clark, Nevada

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Good
51 t Inventory load rating

Bridge Snapshot: SR 170 BUNKERVILLE

The SR 170 BUNKERVILLE bridge in Clark, Nevada carries SR 170 BUNKERVILLE over VIRGIN RIVER. It was built in 2009, making it 17 years old today. The structure is built primarily of steel continuous and spans 6 sections, stretching 289.6 meters (950 feet) end to end. Daily traffic averages 4,950 vehicles, placing it in the moderately-trafficked tier of Nevada bridges. It is owned and maintained by State Highway Agency.

The latest FHWA inspection records show a deck rating of 7/9, superstructure at 8/9, substructure at 8/9. 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 50.9 metric tons.

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

How SR 170 BUNKERVILLE compares

▲ 4.3
Load rating vs Nevada average (46.6 t)
Top 30%
Higher load rating than 70% of Nevada bridges
1,175
Bridges in Clark · 2 in Poor condition
SR 170 BUNKERVILLE 50.9 t
Nevada average 46.6 t

Live comparison across Nevada.

Historical Sufficiency Rating

PlainBridge-computed
95.1 / 100 - historical 80–100 band
Structural adequacy /55
55.0
Serviceability /30
28.0
Essentiality /15
12.1
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 How the historical reference is calculated.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
8/9
Good (7–9)
Substructure
8/9
Good (7–9)
Inventory Load Rating
50.9 t
NBI inventory level (metric tons)
Overall Condition
Good

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

Structural Details

Year Built
2009
Material
Steel Continuous
Number of Spans
6
Structure Length
289.6 m (950 ft)
Deck Width
14.3 m (47 ft)
Owner
State Highway Agency
Avg Daily Traffic
4,950 vehicles/day
Structure Number
B 89

Condition Analysis

  • At 7/9, the deck (driving surface) is in good shape and shows no significant wear.
  • At 8/9, the superstructure (beams and supports above the deck) is in good shape and shows no significant wear.
  • The substructure (piers and abutments) is in good condition (8/9), showing no significant deterioration.

How to read this record

This page shows what the last federal inspection recorded, not whether SR 170 BUNKERVILLE 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 BUNKERVILLE 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 BUNKERVILLE?

SR 170 BUNKERVILLE in Clark, Nevada has a deck rating of 7/9, superstructure rating of 8/9, and substructure rating of 8/9 on the FHWA's 0–9 scale.

How often is SR 170 BUNKERVILLE inspected?

SR 170 BUNKERVILLE'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 4,950 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. SR 170 BUNKERVILLE 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 SR 170 BUNKERVILLE?

SR 170 BUNKERVILLE has an NBI inventory load rating of 50.9 metric tons.

Who is responsible for maintaining SR 170 BUNKERVILLE?

SR 170 BUNKERVILLE is owned and maintained by State Highway Agency.

How old is SR 170 BUNKERVILLE and does age affect safety?

SR 170 BUNKERVILLE was built in 2009, making it 17 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.