CO.RD. 6400 SO. ST
Carrying CO.RD. 6400 SO. ST over BENJAMIN SLOUGH
5800 WEST 6400 SOUTH, Utah, Utah
Inventory: FHWA NBI 2024 · last ETL August 2026
FHWA NBI record, refreshed with each annual release.
CO.RD. 6400 SO. ST in Utah, Utah sits above 34% of rated Utah bridges on inventory load rating (29 t), while its 1989 build year is earlier than 66% of Utah's recorded-year cohort (271 bridges).
CO.RD. 6400 SO. ST in Utah, Utah is rated Fair in the FHWA's 2024 National Bridge Inventory. Built in 1989, it carries 1 rated component 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 UT:049040V
LATE-CENTURY · STEEL · MULTI-SPAN · CULVERT-LED · LOCAL-ADT · STANDARD-LOAD · CAT-FAIR
- LATE-CENTURY 1980–1999
- STEEL Steel
- MULTI-SPAN 2 spans
- CULVERT-LED Culvert-led
- LOCAL-ADT Local 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: CO.RD. 6400 SO. ST
The CO.RD. 6400 SO. ST bridge in Utah, Utah carries CO.RD. 6400 SO. ST over BENJAMIN SLOUGH. It was built in 1989, making it 37 years old today. The structure is built primarily of steel and spans 2 sections, stretching 8.9 meters (29 feet) end to end. Daily traffic averages 177 vehicles, placing it in the lower-traffic tier of Utah bridges. It is owned and maintained by County Highway Agency.
The latest FHWA inspection records show culvert 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 CO.RD. 6400 SO. ST compares
Age against the county: built in 1989, earlier than 178 of Utah's 271 bridges with a recorded construction year (66%), against a county median build year of 2006. Age is not a defect on its own, but it is the population from which future Poor ratings are drawn.
Live comparison across Utah bridges with a recorded inventory load rating (3,113 of 3,125 rated).
CO.RD. 6400 SO. ST vs every rated Utah bridge
Inventory load rating (metric tons), FHWA NBI, this state
29 Top 66% higher than 34% of 3,113 bridges
rated Utah 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.
Utah inventory by recorded NBI category
Exclusive Good/Fair/Poor bands across all 271 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
- 1989
- Material
- Steel
- Number of Spans
- 2
- Structure Length
- 8.9 m (29 ft)
- Deck Width
- 8.7 m (29 ft)
- Owner
- County Highway Agency
- Avg Daily Traffic
- 177 vehicles/day
- Structure Number
- 049040V
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 CO.RD. 6400 SO. ST 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 CO.RD. 6400 SO. ST against other structures in Utah and across Utah. Utah 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 CO.RD. 6400 SO. ST?
CO.RD. 6400 SO. ST in Utah, Utah on the FHWA's 0–9 scale.
How often is CO.RD. 6400 SO. ST inspected?
CO.RD. 6400 SO. ST'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 177 vehicles per day.
What does “structurally deficient” mean in older bridge reports?
FHWA retired that reported status beginning with the 2018 archive. CO.RD. 6400 SO. ST 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 CO.RD. 6400 SO. ST?
CO.RD. 6400 SO. ST has an NBI inventory load rating of 29.2 metric tons.
Who is responsible for maintaining CO.RD. 6400 SO. ST?
CO.RD. 6400 SO. ST is owned and maintained by County Highway Agency.
How old is CO.RD. 6400 SO. ST and does age affect safety?
CO.RD. 6400 SO. ST was built in 1989, making it 37 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.