FHWA NBI 2024 Inspection record Public-domain dataset

68 S.FORK YAAK RD

Carrying 68 S.FORK YAAK RD over SOUTH FORK YAAK RIVER

JUST PAST JCT WITH 746, Lincoln, Montana

Inventory: FHWA NBI 2024 · last ETL August 2026

FHWA NBI record, refreshed with each annual release.

Poor
34 t Inventory load rating Higher than 74% of rated Montana bridges

68 S.FORK YAAK RD in Lincoln, Montana sits above 74% of rated Montana bridges on inventory load rating (34 t), while its 1953 build year is earlier than 92% of Lincoln's recorded-year cohort (190 bridges).

68 S.FORK YAAK RD in Lincoln, Montana is rated Poor in the FHWA's 2024 National Bridge Inventory. Built in 1953, it carries 3 rated components on the inspecting agency's 0-9 scale, and its weakest reported component scores 4. The lowest applicable rating sets the federal condition category, so this Poor 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:011404000000021

INTERSTATE-ERA · TIMBER · SINGLE-SPAN · SUB-LED · LOCAL-ADT · STANDARD-LOAD · CAT-POOR

  • INTERSTATE-ERA 1950–1979
  • TIMBER Wood or timber
  • SINGLE-SPAN Single span
  • SUB-LED Substructure-led
  • LOCAL-ADT Local ADT
  • STANDARD-LOAD Standard load
  • CAT-POOR Poor

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: 68 S.FORK YAAK RD

The 68 S.FORK YAAK RD bridge in Lincoln, Montana carries 68 S.FORK YAAK RD over SOUTH FORK YAAK RIVER. It was built in 1953, making it 73 years old today. The structure is built primarily of wood or timber and spans 1 section, stretching 12.3 meters (40 feet) end to end. Daily traffic averages 99 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 7/9, superstructure at 6/9, substructure at 4/9. The weakest component sits in poor condition. Because at least one major component scores 4 or lower, this bridge falls in FHWA's Poor condition category. That category is not a closure order.

How 68 S.FORK YAAK RD compares

▲ 3.0
Load rating vs Montana average (30.7 t; 5,144 of 5,224 rated)
190
Bridges in Lincoln · 28 in Poor condition

Age against the county: built in 1953, earlier than 175 of Lincoln's 190 bridges with a recorded construction year (92%), against a county median build year of 1976. Age is not a defect on its own, but it is the population from which future Poor ratings are drawn.

68 S.FORK YAAK RD 33.7 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).

68 S.FORK YAAK RD vs every rated Montana bridge

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

34 Top 26% higher than 74% 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
7/9
Good (7–9)
Superstructure
6/9
Fair (5–6)
Substructure
4/9
Poor (1–4)
Inventory Load Rating
33.7 t
NBI inventory level (metric tons)
Overall Condition
Poor

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.

Lincoln inventory by recorded NBI category

Exclusive Good/Fair/Poor bands across all 190 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
1953
Material
Wood or Timber
Number of Spans
1
Structure Length
12.3 m (40 ft)
Deck Width
8.0 m (26 ft)
Owner
U.S. Forest Service
Avg Daily Traffic
99 vehicles/day
Structure Number
011404000000021

Condition Analysis

  • The deck (driving surface) is in good condition (7/9), showing no significant deterioration.
  • The superstructure (beams and supports above the deck) rates fair at 6/9, minor deterioration that routine maintenance should address.
  • The substructure (piers and abutments) rates poor at 4/9, with advanced deterioration recorded on the latest inspection.

How to read this record

68 S.FORK YAAK RD is in the federal Poor condition category. That is a component-based result, not a closure order.

  • NBI condition ratings reflect the latest record in this annual dataset, not a live status. Current routine inspection intervals are risk-based.
  • Understand what Poor condition does and does not mean before drawing conclusions. Poor condition explained
  • Compare 68 S.FORK YAAK RD against other structures in Lincoln 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 68 S.FORK YAAK RD?

68 S.FORK YAAK RD in Lincoln, Montana has a deck rating of 7/9, superstructure rating of 6/9, and substructure rating of 4/9 on the FHWA's 0–9 scale.

How often is 68 S.FORK YAAK RD inspected?

68 S.FORK YAAK RD'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 99 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. 68 S.FORK YAAK RD is currently shown as Poor condition from its component ratings; that category is not a live closure or safety decision.

What is the inventory load rating for 68 S.FORK YAAK RD?

68 S.FORK YAAK RD has an NBI inventory load rating of 33.7 metric tons.

Who is responsible for maintaining 68 S.FORK YAAK RD?

68 S.FORK YAAK RD is owned and maintained by U.S. Forest Service.

How old is 68 S.FORK YAAK RD and does age affect safety?

68 S.FORK YAAK RD was built in 1953, making it 73 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.