STC5751;OLD HWY 95
Carrying STC5751;OLD HWY 95 over SIRR & UPRR;S.ATHOL OP
1.5 S. ATHOL, Kootenai, Idaho
Inventory: FHWA NBI 2024 · last ETL August 2026
FHWA NBI record, refreshed with each annual release.
STC5751;OLD HWY 95 in Kootenai, Idaho sits above 34% of rated Idaho bridges on inventory load rating (27 t), while its 1929 build year is earlier than 99% of Kootenai's recorded-year cohort (154 bridges).
STC5751;OLD HWY 95 in Kootenai, Idaho is rated Poor in the FHWA's 2024 National Bridge Inventory. Built in 1929, 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 ID:000000000030520
PRE-1950 · CONCRETE · LONG-SPAN-RUN · TIED-CTRL · LOCAL-ADT · STANDARD-LOAD · CAT-POOR
- PRE-1950 Pre-1950
- CONCRETE Concrete
- LONG-SPAN-RUN 6 spans
- TIED-CTRL Tied control
- 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: STC5751;OLD HWY 95
The STC5751;OLD HWY 95 bridge in Kootenai, Idaho carries STC5751;OLD HWY 95 over SIRR & UPRR;S.ATHOL OP. It was built in 1929, making it 97 years old today. The structure is built primarily of concrete and spans 6 sections, stretching 55.2 meters (181 feet) end to end. Daily traffic averages 530 vehicles, placing it in the lower-traffic tier of Idaho bridges. It is owned and maintained by Other Local Agencies.
The latest FHWA inspection records show a deck rating of 4/9, superstructure at 4/9, substructure at 5/9. The weakest component sits in poor condition. At least one major component here scores 4 or below, which produces a Poor condition classification under FHWA's current reporting rules.
How STC5751;OLD HWY 95 compares
Age against the county: built in 1929, earlier than 153 of Kootenai's 154 bridges with a recorded construction year (99%), against a county median build year of 1980. Age is not a defect on its own, but it is the population from which future Poor ratings are drawn.
Live comparison across Idaho bridges with a recorded inventory load rating (4,574 of 4,616 rated).
STC5751;OLD HWY 95 vs every rated Idaho bridge
Inventory load rating (metric tons), FHWA NBI, this state
27 Top 66% higher than 34% of 4,574 bridges
rated Idaho 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.
Kootenai inventory by recorded NBI category
Exclusive Good/Fair/Poor bands across all 154 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
- 1929
- Material
- Concrete
- Number of Spans
- 6
- Structure Length
- 55.2 m (181 ft)
- Deck Width
- 8.3 m (27 ft)
- Owner
- Other Local Agencies
- Avg Daily Traffic
- 530 vehicles/day
- Structure Number
- 000000000030520
Condition Analysis
- • The deck (driving surface) is in poor condition (4/9), showing advanced deterioration on the inspecting agency's 0-9 scale.
- • The superstructure (beams and supports above the deck) is in poor condition (4/9), showing advanced deterioration on the inspecting agency's 0-9 scale.
- • At 5/9, the substructure (piers and abutments) shows fair condition, with minor wear flagged for upkeep.
Location
Data Source
FHWA National Bridge Inventory (NBI).
FHWA NBI Program ↗How to read this record
STC5751;OLD HWY 95 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 STC5751;OLD HWY 95 against other structures in Kootenai and across Idaho. Idaho 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 STC5751;OLD HWY 95?
STC5751;OLD HWY 95 in Kootenai, Idaho has a deck rating of 4/9, superstructure rating of 4/9, and substructure rating of 5/9 on the FHWA's 0–9 scale.
How often is STC5751;OLD HWY 95 inspected?
STC5751;OLD HWY 95'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 530 vehicles per day.
What does “structurally deficient” mean in older bridge reports?
FHWA retired that reported status beginning with the 2018 archive. STC5751;OLD HWY 95 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 STC5751;OLD HWY 95?
STC5751;OLD HWY 95 has an NBI inventory load rating of 27.2 metric tons.
Who is responsible for maintaining STC5751;OLD HWY 95?
STC5751;OLD HWY 95 is owned and maintained by Other Local Agencies.
How old is STC5751;OLD HWY 95 and does age affect safety?
STC5751;OLD HWY 95 was built in 1929, making it 97 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.
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.