STC2714;3700 NORTH
Carrying STC2714;3700 NORTH over ROCK CREEK
1.0 S. 0.4 E. TWIN FALLS, Twin Falls, Idaho
Inventory: FHWA NBI 2024 · last ETL August 2026
FHWA NBI record, refreshed with each annual release.
STC2714;3700 NORTH in Twin Falls, Idaho sits above 99% of rated Idaho bridges on inventory load rating (100 t), while its 1973 build year is earlier than 42% of Twin Falls's recorded-year cohort (126 bridges).
STC2714;3700 NORTH in Twin Falls, Idaho is rated Poor in the FHWA's 2024 National Bridge Inventory. Built in 1973, it carries 1 rated component 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:000000000019365
INTERSTATE-ERA · STEEL · SINGLE-SPAN · CULVERT-LED · ARTERIAL-ADT · HEAVY-LOAD · CAT-POOR
- INTERSTATE-ERA 1950–1979
- STEEL Steel
- SINGLE-SPAN Single span
- CULVERT-LED Culvert-led
- ARTERIAL-ADT Arterial ADT
- HEAVY-LOAD Heavy 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: STC2714;3700 NORTH
The STC2714;3700 NORTH bridge in Twin Falls, Idaho carries STC2714;3700 NORTH over ROCK CREEK. It was built in 1973, making it 53 years old today. The structure is built primarily of steel and spans 1 section, stretching 6.4 meters (21 feet) end to end. Daily traffic averages 6,300 vehicles, placing it in the moderately-trafficked tier of Idaho bridges. It is owned and maintained by Other Local Agencies.
The latest FHWA inspection records show culvert 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 STC2714;3700 NORTH compares
Age against the county: built in 1973, earlier than 53 of Twin Falls's 126 bridges with a recorded construction year (42%), against a county median build year of 1969. This is one of the newer structures in its county.
Live comparison across Idaho bridges with a recorded inventory load rating (4,574 of 4,616 rated).
STC2714;3700 NORTH vs every rated Idaho bridge
Inventory load rating (metric tons), FHWA NBI, this state
100 Top 1% higher than 99% 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.
Twin Falls inventory by recorded NBI category
Exclusive Good/Fair/Poor bands across all 126 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
- 1973
- Material
- Steel
- Number of Spans
- 1
- Structure Length
- 6.4 m (21 ft)
- Deck Width
- 53.6 m (176 ft)
- Owner
- Other Local Agencies
- Avg Daily Traffic
- 6,300 vehicles/day
- Structure Number
- 000000000019365
Location
Data Source
FHWA National Bridge Inventory (NBI).
FHWA NBI Program ↗How to read this record
STC2714;3700 NORTH 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 STC2714;3700 NORTH against other structures in Twin Falls 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 STC2714;3700 NORTH?
STC2714;3700 NORTH in Twin Falls, Idaho on the FHWA's 0–9 scale.
How often is STC2714;3700 NORTH inspected?
STC2714;3700 NORTH'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 6,300 vehicles per day.
What does “structurally deficient” mean in older bridge reports?
FHWA retired that reported status beginning with the 2018 archive. STC2714;3700 NORTH 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 STC2714;3700 NORTH?
STC2714;3700 NORTH has an NBI inventory load rating of 99.9 metric tons.
Who is responsible for maintaining STC2714;3700 NORTH?
STC2714;3700 NORTH is owned and maintained by Other Local Agencies.
How old is STC2714;3700 NORTH and does age affect safety?
STC2714;3700 NORTH was built in 1973, making it 53 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.