FHWA NBI 2024 Inspection record Public-domain dataset

NON MAINTAINED TRL

Carrying NON MAINTAINED TRL over BISON CREEK

11M N ELK PARK, Jefferson, Montana

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Fair

Bridge Snapshot: NON MAINTAINED TRL

The NON MAINTAINED TRL bridge in Jefferson, Montana carries NON MAINTAINED TRL over BISON CREEK. It was built in 1984, making it 42 years old today. The structure is built primarily of prestressed concrete and spans 1 section, stretching 14.9 meters (49 feet) end to end. Daily traffic averages 100 vehicles, placing it in the lower-traffic tier of Montana bridges. It is owned and maintained by State Highway Agency.

The latest FHWA inspection records show a deck rating of 6/9, superstructure at 7/9, substructure at 6/9. The weakest component sits in fair condition. All reported major components score above the Poor range.

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

How NON MAINTAINED TRL compares

128
Bridges in Jefferson · 7 in Poor condition

Live comparison across Montana.

Historical Sufficiency Rating

PlainBridge-computed
83.0 / 100 - historical 80–100 band
Structural adequacy /55
55.0
Serviceability /30
15.0
Essentiality /15
15.0
Special reductions
−2.0

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 How the historical reference is calculated.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
6/9
Fair (5–6)
Superstructure
7/9
Good (7–9)
Substructure
6/9
Fair (5–6)
Overall Condition
Fair

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

Structural Details

Year Built
1984
Material
Prestressed Concrete
Number of Spans
1
Structure Length
14.9 m (49 ft)
Deck Width
4.6 m (15 ft)
Owner
State Highway Agency
Avg Daily Traffic
100 vehicles/day
Structure Number
000000202308067

Condition Analysis

  • At 6/9, the deck (driving surface) shows fair condition, with minor wear flagged for upkeep.
  • 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) rates fair at 6/9, minor deterioration that routine maintenance should address.

How to read this record

This page shows what the last federal inspection recorded, not whether NON MAINTAINED TRL 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 NON MAINTAINED TRL against other structures in Jefferson 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 NON MAINTAINED TRL?

NON MAINTAINED TRL in Jefferson, Montana has a deck rating of 6/9, superstructure rating of 7/9, and substructure rating of 6/9 on the FHWA's 0–9 scale.

How often is NON MAINTAINED TRL inspected?

NON MAINTAINED TRL'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 100 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. NON MAINTAINED TRL 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 NON MAINTAINED TRL?

An inventory load rating is not recorded for NON MAINTAINED TRL.

Who is responsible for maintaining NON MAINTAINED TRL?

NON MAINTAINED TRL is owned and maintained by State Highway Agency.

How old is NON MAINTAINED TRL and does age affect safety?

NON MAINTAINED TRL was built in 1984, making it 42 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.