FHWA NBI 2024 Inspection record Public-domain dataset

LINE CREEK ROAD

Carrying LINE CREEK ROAD over STORMCASTLE CREEK

OFF SQ___ CREEK ROAD, Gallatin, Montana

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Fair
51 t Inventory load rating

Bridge Snapshot: LINE CREEK ROAD

The LINE CREEK ROAD bridge in Gallatin, Montana carries LINE CREEK ROAD over STORMCASTLE CREEK. It was built in 1948, making it 78 years old today. It was last reconstructed in 1975, extending its service life. The structure is built primarily of wood or timber and spans 1 section, stretching 9.3 meters (31 feet) end to end. Daily traffic averages 50 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. No reported major component scores in the Poor range under the current federal condition thresholds. Its NBI inventory load rating is 50.5 metric tons.

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

How LINE CREEK ROAD compares

▲ 19.8
Load rating vs Montana average (30.7 t)
Top 6%
Higher load rating than 94% of Montana bridges
207
Bridges in Gallatin · 9 in Poor condition
LINE CREEK ROAD 50.5 t
Montana average 30.7 t

Live comparison across Montana.

Historical Sufficiency Rating

PlainBridge-computed
64.5 / 100 - historical 50–79.9 band
Structural adequacy /55
45.0
Serviceability /30
10.0
Essentiality /15
14.4
Special reductions
−4.9

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 How the historical reference is calculated.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
50.5 t
NBI inventory level (metric tons)
Overall Condition
Fair

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

Structural Details

Year Built
1948
Last Reconstructed
1975
Material
Wood or Timber
Number of Spans
1
Structure Length
9.3 m (31 ft)
Deck Width
4.7 m (15 ft)
Owner
U.S. Forest Service
Avg Daily Traffic
50 vehicles/day
Structure Number
011106000000097

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 good condition (7/9), showing no significant deterioration.
  • The substructure (piers and abutments) rates fair at 5/9, minor deterioration that routine maintenance should address.

How to read this record

This page shows what the last federal inspection recorded, not whether LINE CREEK 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 LINE CREEK ROAD against other structures in Gallatin 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 LINE CREEK ROAD?

LINE CREEK ROAD in Gallatin, 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 LINE CREEK ROAD inspected?

LINE CREEK 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 50 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. LINE CREEK 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 LINE CREEK ROAD?

LINE CREEK ROAD has an NBI inventory load rating of 50.5 metric tons.

Who is responsible for maintaining LINE CREEK ROAD?

LINE CREEK ROAD is owned and maintained by U.S. Forest Service.

How old is LINE CREEK ROAD and does age affect safety?

LINE CREEK ROAD was built in 1948, making it 78 years old and last reconstructed in 1975.

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.