FHWA NBI 2024 Inspection record Public-domain dataset

FIELDS GLCH ROAD

Carrying FIELDS GLCH ROAD over POORMAN CREEK

FIELDS GULCH, Lewis and Clark, Montana

Inventory: FHWA NBI 2024 · last ETL August 2026

FHWA NBI record, refreshed with each annual release.

Fair
31 t Inventory load rating Higher than 54% of rated Montana bridges

FIELDS GLCH ROAD in Lewis and Clark, Montana is rated Fair in the FHWA's 2024 National Bridge Inventory.

Built in 1979, it carries 3 rated components on the inspecting agency's 0-9 scale, and its weakest reported component scores 6. The lowest applicable rating sets the federal condition category, so this Fair result describes the weakest reported component rather than the structure as a whole. No NBI category is a closure decision or a live crossing-safety verdict.

NBI record plate

Structure MT:011204000000031

INTERSTATE-ERA · TIMBER · SINGLE-SPAN · DECK-LED · TRACE-ADT · STANDARD-LOAD · CAT-FAIR

  • INTERSTATE-ERA 1950–1979
  • TIMBER Wood or timber
  • SINGLE-SPAN Single span
  • DECK-LED Deck-led
  • TRACE-ADT Trace ADT
  • STANDARD-LOAD Standard load
  • CAT-FAIR Fair

Inspection-sheet codes from this record’s year, material family, spans, controlling component, ADT, inventory load, and NBI category, not a live closure verdict.

Bridge Snapshot: FIELDS GLCH ROAD

The FIELDS GLCH ROAD bridge in Lewis and Clark, Montana carries FIELDS GLCH ROAD over POORMAN CREEK. It was built in 1979, making it 47 years old today. The structure is built primarily of wood or timber and spans 1 section, stretching 7.2 meters (24 feet) end to end. Daily traffic averages 20 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 7/9. The weakest component sits in fair condition. All reported major components score above the Poor range.

How FIELDS GLCH ROAD compares

▲ 0.1
Load rating vs Montana average (30.7 t; 5,144 of 5,224 rated)
200
Bridges in Lewis and Clark · 11 in Poor condition

Age against the county: built in 1979, earlier than 94 of Lewis and Clark's 200 bridges with a recorded construction year (47%), against a county median build year of 1978. This is one of the newer structures in its county.

FIELDS GLCH ROAD 30.8 t
Montana average (5,144 of 5,224 rated) 30.7 t

Live comparison across Montana bridges with a recorded inventory load rating (5,144 of 5,224 rated).

FIELDS GLCH ROAD vs every rated Montana bridge

Inventory load rating (metric tons), FHWA NBI, this state

31 Top 46% higher than 54% of 5,144 bridges

rated Montana bridges, bucketed by value

Each bar is a band; taller bars hold more bridges. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count and share, and where it sits relative to this entry.

Source FHWA National Bridge Inventory · August 2026

Condition Ratings

Deck
6/9
Fair (5–6)
Superstructure
7/9
Good (7–9)
Substructure
7/9
Good (7–9)
Inventory Load Rating
30.8 t
NBI inventory level (metric tons)
Overall Condition
Fair

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

Reported 0–9 component ratings from the FHWA NBI. The highlighted component is the lowest reported input to this record’s current condition category; it is not a closure or live crossing-safety decision.

Lewis and Clark inventory by recorded NBI category

Exclusive Good/Fair/Poor bands across all 200 bridges in this county. Orthogonal to this structure's component profile above: a county catalog share, not a live crossing-safety verdict.

Structural Details

Year Built
1979
Material
Wood or Timber
Number of Spans
1
Structure Length
7.2 m (24 ft)
Deck Width
4.7 m (15 ft)
Owner
U.S. Forest Service
Avg Daily Traffic
20 vehicles/day
Structure Number
011204000000031

Condition Analysis

  • At 6/9, the deck (driving surface) shows fair condition, with minor wear flagged for upkeep.
  • The superstructure (beams and supports above the deck) rates good at 7/9, with no significant deterioration on file.
  • At 7/9, the substructure (piers and abutments) is in good shape and shows no significant wear.

How to read this record

This page shows what the last federal inspection recorded, not whether FIELDS GLCH ROAD 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 FIELDS GLCH ROAD against other structures in Lewis and Clark 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 FIELDS GLCH ROAD?

FIELDS GLCH ROAD in Lewis and Clark, Montana has a deck rating of 6/9, superstructure rating of 7/9, and substructure rating of 7/9 on the FHWA's 0–9 scale.

How often is FIELDS GLCH ROAD inspected?

FIELDS GLCH ROAD'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 20 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. FIELDS GLCH ROAD 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 FIELDS GLCH ROAD?

FIELDS GLCH ROAD has an NBI inventory load rating of 30.8 metric tons.

Who is responsible for maintaining FIELDS GLCH ROAD?

FIELDS GLCH ROAD is owned and maintained by U.S. Forest Service.

How old is FIELDS GLCH ROAD and does age affect safety?

FIELDS GLCH ROAD was built in 1979, making it 47 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

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Send this source-bounded record or download its data card. An NBI condition category is not a closure or live crossing-safety verdict.

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Every figure on PlainBridges is rendered directly from federal source data, no number is typed in by an editor. Component ratings, ADT, and condition category on this page are copied from the NBI record for this structure; no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of 2024 NBI release. NBI condition categories reflect the latest reported inventory record, not a live safety, closure, or travel decision.