FHWA NBI 2024 Inspection record Public-domain dataset

SILVER CREEK PLUNG

Carrying SILVER CREEK PLUNG over SILVER CREEK

SILVER CREEK PLUNGE CG, Valley, Idaho

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Good
20 t Inventory load rating

Bridge Snapshot: SILVER CREEK PLUNG

The SILVER CREEK PLUNG bridge in Valley, Idaho carries SILVER CREEK PLUNG over SILVER CREEK. It was built in 2005, making it 21 years old today. The structure is built primarily of prestressed concrete and spans 1 section, stretching 14.0 meters (46 feet) end to end. Daily traffic averages 50 vehicles, placing it in the lower-traffic tier of Idaho bridges. It is owned and maintained by U.S. Forest Service.

The latest FHWA inspection records show a deck rating of 8/9, 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 20.4 metric tons.

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

How SILVER CREEK PLUNG compares

▼ 10.9
Load rating vs Idaho average (31.3 t)
Bottom 17%
Lower load rating than 83% of Idaho bridges
82
Bridges in Valley · 5 in Poor condition
SILVER CREEK PLUNG 20.4 t
Idaho average 31.3 t

Live comparison across Idaho.

Historical Sufficiency Rating

PlainBridge-computed
79.1 / 100 - historical 50–79.9 band
Structural adequacy /55
41.5
Serviceability /30
28.0
Essentiality /15
14.5
Special reductions
−4.9

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 How the historical reference is calculated.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
8/9
Good (7–9)
Superstructure
8/9
Good (7–9)
Substructure
8/9
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
2005
Material
Prestressed Concrete
Number of Spans
1
Structure Length
14.0 m (46 ft)
Deck Width
7.3 m (24 ft)
Owner
U.S. Forest Service
Avg Daily Traffic
50 vehicles/day
Structure Number
040206000003070

Condition Analysis

  • The deck (driving surface) is in good condition (8/9), showing no significant deterioration.
  • 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 SILVER CREEK PLUNG 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 SILVER CREEK PLUNG against other structures in Valley and across Idaho. Idaho 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 SILVER CREEK PLUNG?

SILVER CREEK PLUNG in Valley, Idaho has a deck rating of 8/9, superstructure rating of 8/9, and substructure rating of 8/9 on the FHWA's 0–9 scale.

How often is SILVER CREEK PLUNG inspected?

SILVER CREEK PLUNG'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 50 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. SILVER CREEK PLUNG 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 SILVER CREEK PLUNG?

SILVER CREEK PLUNG has an NBI inventory load rating of 20.4 metric tons.

Who is responsible for maintaining SILVER CREEK PLUNG?

SILVER CREEK PLUNG is owned and maintained by U.S. Forest Service.

How old is SILVER CREEK PLUNG and does age affect safety?

SILVER CREEK PLUNG was built in 2005, making it 21 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.