FDR 100
Carrying FDR 100 over MUSSELSHELL CREEK
KAMIAH FORKS, Clearwater, Idaho
Data updated May 2026
FHWA NBI record, refreshed with each annual release.
Bridge Snapshot: FDR 100
The FDR 100 bridge in Clearwater, Idaho carries FDR 100 over MUSSELSHELL CREEK. It was built in 1976, making it 50 years old today. The structure is built primarily of prestressed concrete and spans 1 section, stretching 15.9 meters (52 feet) end to end. Daily traffic averages 150 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 7/9, superstructure at 7/9, 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. Its NBI inventory load rating is 51.5 metric tons.
Sourced from the FHWA National Bridge Inventory. See our methodology for refresh cadence and NBI release vintage.
How FDR 100 compares
Live comparison across Idaho.
Historical Sufficiency Rating
PlainBridge-computedFHWA discontinued this calculated item; it does not determine current condition, funding eligibility, posting, or closure. How the historical reference is calculated.
Condition Ratings
Full 0–9 scale + sufficiency-rating breakdown: how condition ratings work.
Structural Details
- Year Built
- 1976
- Material
- Prestressed Concrete
- Number of Spans
- 1
- Structure Length
- 15.9 m (52 ft)
- Deck Width
- 10.0 m (33 ft)
- Owner
- U.S. Forest Service
- Avg Daily Traffic
- 150 vehicles/day
- Structure Number
- 010501000000087
Location
Data Source
FHWA National Bridge Inventory (NBI).
FHWA NBI Program ↗Condition Analysis
- • The deck (driving surface) is in good condition (7/9), showing no significant deterioration.
- • At 7/9, 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 (7/9), showing no significant deterioration.
How to read this record
This page shows what the last federal inspection recorded, not whether FDR 100 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 FDR 100 against other structures in Clearwater 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 FDR 100?
FDR 100 in Clearwater, Idaho has a deck rating of 7/9, superstructure rating of 7/9, and substructure rating of 7/9 on the FHWA's 0–9 scale.
How often is FDR 100 inspected?
FDR 100'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 150 vehicles per day.
What does “structurally deficient” mean in older bridge reports?
FHWA retired that reported status beginning with the 2018 archive. FDR 100 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 FDR 100?
FDR 100 has an NBI inventory load rating of 51.5 metric tons.
Who is responsible for maintaining FDR 100?
FDR 100 is owned and maintained by U.S. Forest Service.
How old is FDR 100 and does age affect safety?
FDR 100 was built in 1976, making it 50 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.
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.