GILBERT CR. RD
Carrying GILBERT CR. RD over ROCK CREEK
VALLEY OF THE MOON, Missoula, Montana
Inventory: FHWA NBI 2024 · last ETL August 2026
FHWA NBI record, refreshed with each annual release.
GILBERT CR. RD in Missoula, Montana is rated Poor in the FHWA's 2024 National Bridge Inventory.
Built in 1982, 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:011603000000049
LATE-CENTURY · STEEL · SINGLE-SPAN · SUB-LED · LOCAL-ADT · LOAD-UNK · CAT-POOR
- LATE-CENTURY 1980–1999
- STEEL Steel
- SINGLE-SPAN Single span
- SUB-LED Substructure-led
- LOCAL-ADT Local ADT
- LOAD-UNK Load unrated
- 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: GILBERT CR. RD
The GILBERT CR. RD bridge in Missoula, Montana carries GILBERT CR. RD over ROCK CREEK. It was built in 1982, making it 44 years old today. It was last reconstructed in 1998, extending its service life. The structure is built primarily of steel and spans 1 section, stretching 15.2 meters (50 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 5/9, superstructure at 5/9, 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 GILBERT CR. RD compares
Age against the county: built in 1982, earlier than 63 of Missoula's 206 bridges with a recorded construction year (31%), 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).
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.
Missoula inventory by recorded NBI category
Exclusive Good/Fair/Poor bands across all 206 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
- 1982
- Last Reconstructed
- 1998
- Material
- Steel
- Number of Spans
- 1
- Structure Length
- 15.2 m (50 ft)
- Deck Width
- 4.3 m (14 ft)
- Owner
- U.S. Forest Service
- Avg Daily Traffic
- 50 vehicles/day
- Structure Number
- 011603000000049
Condition Analysis
- • The deck (driving surface) is in fair condition (5/9), with minor deterioration that may require routine maintenance.
- • The superstructure (beams and supports above the deck) is in fair condition (5/9), with minor deterioration that may require routine maintenance.
- • The substructure (piers and abutments) rates poor at 4/9, with advanced deterioration recorded on the latest inspection.
Location
Data Source
FHWA National Bridge Inventory (NBI).
FHWA NBI Program ↗How to read this record
GILBERT CR. 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 GILBERT CR. RD against other structures in Missoula 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 GILBERT CR. RD?
GILBERT CR. RD in Missoula, Montana has a deck rating of 5/9, superstructure rating of 5/9, and substructure rating of 4/9 on the FHWA's 0–9 scale.
How often is GILBERT CR. RD inspected?
GILBERT CR. 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 50 vehicles per day.
What does “structurally deficient” mean in older bridge reports?
FHWA retired that reported status beginning with the 2018 archive. GILBERT CR. 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 GILBERT CR. RD?
An inventory load rating is not recorded for GILBERT CR. RD.
Who is responsible for maintaining GILBERT CR. RD?
GILBERT CR. RD is owned and maintained by U.S. Forest Service.
How old is GILBERT CR. RD and does age affect safety?
GILBERT CR. RD was built in 1982, making it 44 years old and last reconstructed in 1998.
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.