384 SPAR LAKE RD.
Carrying 384 SPAR LAKE RD. over SPAR CR
2.1 MI PAST CAMPGROUND, Lincoln, Montana
Inventory: FHWA NBI 2024 · last ETL August 2026
FHWA NBI record, refreshed with each annual release.
384 SPAR LAKE RD. in Lincoln, Montana sits above 14% of rated Montana bridges on inventory load rating (20 t), while its 1955 build year is earlier than 89% of Lincoln's recorded-year cohort (190 bridges).
384 SPAR LAKE RD. in Lincoln, Montana is rated Poor in the FHWA's 2024 National Bridge Inventory. Built in 1955, it carries 3 rated components on the inspecting agency's 0-9 scale, and its weakest reported component scores 2. 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:011404000000192
INTERSTATE-ERA · TIMBER · SINGLE-SPAN · SUB-LED · TRACE-ADT · STANDARD-LOAD · CAT-POOR
- INTERSTATE-ERA 1950–1979
- TIMBER Wood or timber
- SINGLE-SPAN Single span
- SUB-LED Substructure-led
- TRACE-ADT Trace 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: 384 SPAR LAKE RD.
The 384 SPAR LAKE RD. bridge in Lincoln, Montana carries 384 SPAR LAKE RD. over SPAR CR. It was built in 1955, making it 71 years old today. The structure is built primarily of wood or timber and spans 1 section, stretching 12.2 meters (40 feet) end to end. Daily traffic averages 10 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 6/9, substructure at 2/9. The weakest component sits in critical 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 384 SPAR LAKE RD. compares
Age against the county: built in 1955, earlier than 170 of Lincoln's 190 bridges with a recorded construction year (89%), 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.
Live comparison across Montana bridges with a recorded inventory load rating (5,144 of 5,224 rated).
384 SPAR LAKE RD. vs every rated Montana bridge
Inventory load rating (metric tons), FHWA NBI, this state
20 Top 86% higher than 14% 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
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
- 1955
- Material
- Wood or Timber
- Number of Spans
- 1
- Structure Length
- 12.2 m (40 ft)
- Deck Width
- 4.6 m (15 ft)
- Owner
- U.S. Forest Service
- Avg Daily Traffic
- 10 vehicles/day
- Structure Number
- 011404000000192
Condition Analysis
- • The deck (driving surface) rates fair at 6/9, minor deterioration that routine maintenance should address.
- • The superstructure (beams and supports above the deck) is in fair condition (6/9), with minor deterioration that may require routine maintenance.
- • The substructure (piers and abutments) rates critical at 2/9, with severe deterioration on the latest inspection.
Location
Data Source
FHWA National Bridge Inventory (NBI).
FHWA NBI Program ↗How to read this record
384 SPAR LAKE 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 384 SPAR LAKE 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 384 SPAR LAKE RD.?
384 SPAR LAKE RD. in Lincoln, Montana has a deck rating of 6/9, superstructure rating of 6/9, and substructure rating of 2/9 on the FHWA's 0–9 scale.
How often is 384 SPAR LAKE RD. inspected?
384 SPAR LAKE 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 10 vehicles per day.
What does “structurally deficient” mean in older bridge reports?
FHWA retired that reported status beginning with the 2018 archive. 384 SPAR LAKE 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 384 SPAR LAKE RD.?
384 SPAR LAKE RD. has an NBI inventory load rating of 20.1 metric tons.
Who is responsible for maintaining 384 SPAR LAKE RD.?
384 SPAR LAKE RD. is owned and maintained by U.S. Forest Service.
How old is 384 SPAR LAKE RD. and does age affect safety?
384 SPAR LAKE RD. was built in 1955, making it 71 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.
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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.
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.