S 19TH RD
Carrying S 19TH RD over HYALITE CREEK
6M SW BOZEMAN, Gallatin, Montana
Inventory: FHWA NBI 2024 · last ETL August 2026
FHWA NBI record, refreshed with each annual release.
S 19TH RD in Gallatin, Montana sits above 50% of rated Montana bridges on inventory load rating (30 t), while its 1988 build year is earlier than 33% of Gallatin's recorded-year cohort (210 bridges).
S 19TH RD in Gallatin, Montana is rated Fair in the FHWA's 2024 National Bridge Inventory. Built in 1988, 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:S00345006+01001
LATE-CENTURY · STEEL · SINGLE-SPAN · SUB-LED · ARTERIAL-ADT · STANDARD-LOAD · CAT-FAIR
- LATE-CENTURY 1980–1999
- STEEL Steel
- SINGLE-SPAN Single span
- SUB-LED Substructure-led
- ARTERIAL-ADT Arterial 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: S 19TH RD
The S 19TH RD bridge in Gallatin, Montana carries S 19TH RD over HYALITE CREEK. It was built in 1988, making it 38 years old today. It was last reconstructed in 2020, extending its service life. The structure is built primarily of steel and spans 1 section, stretching 9.8 meters (32 feet) end to end. Daily traffic averages 1,821 vehicles, placing it in the moderately-trafficked tier of Montana bridges. It is owned and maintained by County Highway Agency.
The latest FHWA inspection records show a deck rating of 7/9, superstructure at 7/9, substructure at 6/9. The weakest component sits in fair condition. No reported major component scores in the Poor range under the current federal condition thresholds.
How S 19TH RD compares
Age against the county: built in 1988, earlier than 70 of Gallatin's 210 bridges with a recorded construction year (33%), against a county median build year of 1971. This is one of the newer structures in its county.
Live comparison across Montana bridges with a recorded inventory load rating (5,144 of 5,224 rated).
S 19TH RD vs every rated Montana bridge
Inventory load rating (metric tons), FHWA NBI, this state
30 Top 50% higher than 50% 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.
Gallatin inventory by recorded NBI category
Exclusive Good/Fair/Poor bands across all 210 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
- 1988
- Last Reconstructed
- 2020
- Material
- Steel
- Number of Spans
- 1
- Structure Length
- 9.8 m (32 ft)
- Deck Width
- 7.9 m (26 ft)
- Owner
- County Highway Agency
- Avg Daily Traffic
- 1,821 vehicles/day
- Structure Number
- S00345006+01001
Condition Analysis
- • The deck (driving surface) rates good at 7/9, with no significant deterioration on file.
- • 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) is in fair condition (6/9), with minor deterioration that may require routine maintenance.
Location
Data Source
FHWA National Bridge Inventory (NBI).
FHWA NBI Program ↗How to read this record
This page shows what the last federal inspection recorded, not whether S 19TH RD 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 S 19TH RD 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 S 19TH RD?
S 19TH RD in Gallatin, Montana has a deck rating of 7/9, superstructure rating of 7/9, and substructure rating of 6/9 on the FHWA's 0–9 scale.
How often is S 19TH RD inspected?
S 19TH 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 1,821 vehicles per day.
What does “structurally deficient” mean in older bridge reports?
FHWA retired that reported status beginning with the 2018 archive. S 19TH RD 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 S 19TH RD?
S 19TH RD has an NBI inventory load rating of 29.9 metric tons.
Who is responsible for maintaining S 19TH RD?
S 19TH RD is owned and maintained by County Highway Agency.
How old is S 19TH RD and does age affect safety?
S 19TH RD was built in 1988, making it 38 years old and last reconstructed in 2020.
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.
Share this inspection record
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.