FHWA NBI 2024 Inspection record Public-domain dataset

FDR 90

Carrying FDR 90 over STEEL CR

STEEL CR, Beaverhead, Montana

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Fair
21 t Inventory load rating

Bridge Snapshot: FDR 90

The FDR 90 bridge in Beaverhead, Montana carries FDR 90 over STEEL CR. It was built in 1954, making it 72 years old today. The structure is built primarily of wood or timber and spans 1 section, stretching 7.3 meters (24 feet) end to end. Daily traffic averages 40 vehicles, placing it in the lower-traffic tier of Montana bridges. It is owned and maintained by U.S. Forest Service.

The latest FHWA inspection records show a deck rating of 6/9, superstructure at 7/9, substructure at 5/9. The weakest component sits in fair condition. None of this bridge's reported major components fall into the Poor condition range. Its NBI inventory load rating is 20.7 metric tons.

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

How FDR 90 compares

▼ 10.0
Load rating vs Montana average (30.7 t)
Bottom 16%
Lower load rating than 84% of Montana bridges
217
Bridges in Beaverhead · 20 in Poor condition
FDR 90 20.7 t
Montana average 30.7 t

Live comparison across Montana.

Historical Sufficiency Rating

PlainBridge-computed
52.5 / 100 - historical 50–79.9 band
Structural adequacy /55
32.0
Serviceability /30
14.0
Essentiality /15
14.5
Special reductions
−7.9

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 How the historical reference is calculated.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
6/9
Fair (5–6)
Superstructure
7/9
Good (7–9)
Substructure
5/9
Fair (5–6)
Inventory Load Rating
20.7 t
NBI inventory level (metric tons)
Overall Condition
Fair

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

Structural Details

Year Built
1954
Material
Wood or Timber
Number of Spans
1
Structure Length
7.3 m (24 ft)
Deck Width
4.6 m (15 ft)
Owner
U.S. Forest Service
Avg Daily Traffic
40 vehicles/day
Structure Number
010203000000058

Condition Analysis

  • The deck (driving surface) is in fair condition (6/9), with minor deterioration that may require routine maintenance.
  • The superstructure (beams and supports above the deck) is in good condition (7/9), showing no significant deterioration.
  • The substructure (piers and abutments) is in fair condition (5/9), with minor deterioration that may require routine maintenance.

How to read this record

This page shows what the last federal inspection recorded, not whether FDR 90 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 90 against other structures in Beaverhead and across Montana. Montana 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 90?

FDR 90 in Beaverhead, Montana has a deck rating of 6/9, superstructure rating of 7/9, and substructure rating of 5/9 on the FHWA's 0–9 scale.

How often is FDR 90 inspected?

FDR 90'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 40 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. FDR 90 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 FDR 90?

FDR 90 has an NBI inventory load rating of 20.7 metric tons.

Who is responsible for maintaining FDR 90?

FDR 90 is owned and maintained by U.S. Forest Service.

How old is FDR 90 and does age affect safety?

FDR 90 was built in 1954, making it 72 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.