6558: COTTONWOOD C
Carrying 6558: COTTONWOOD C over NINE MILE CREEK
37 mi NE of Price, UT, Carbon, Utah
Data updated May 2026
FHWA NBI record, refreshed with each annual release.
Bridge Snapshot: 6558: COTTONWOOD C
The 6558: COTTONWOOD C bridge in Carbon, Utah carries 6558: COTTONWOOD C over NINE MILE CREEK. It was built in 1994, making it 32 years old today. The structure is built primarily of steel and spans 1 section, stretching 18.4 meters (60 feet) end to end. Daily traffic averages 75 vehicles, placing it in the lower-traffic tier of Utah bridges. It is owned and maintained by Bureau of Land Management.
The latest FHWA inspection records show a deck rating of 4/9, superstructure at 5/9, substructure at 7/9. 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. Its NBI inventory load rating is 26.9 metric tons.
Sourced from the FHWA National Bridge Inventory. See our methodology for refresh cadence and NBI release vintage.
How 6558: COTTONWOOD C compares
Live comparison across Utah.
Historical Sufficiency Rating
PlainBridge-computedFHWA discontinued this calculated item; it does not determine current condition, funding eligibility, posting, or closure. How the historical reference is calculated.
Condition Ratings
Full 0–9 scale + sufficiency-rating breakdown: how condition ratings work.
Structural Details
- Year Built
- 1994
- Material
- Steel
- Number of Spans
- 1
- Structure Length
- 18.4 m (60 ft)
- Deck Width
- 4.3 m (14 ft)
- Owner
- Bureau of Land Management
- Avg Daily Traffic
- 75 vehicles/day
- Structure Number
- 000000000L59176
Location
Data Source
FHWA National Bridge Inventory (NBI).
FHWA NBI Program ↗Condition Analysis
- • The deck (driving surface) is in poor condition (4/9), showing advanced deterioration that may require priority repair.
- • The superstructure (beams and supports above the deck) rates fair at 5/9, minor deterioration that routine maintenance should address.
- • The substructure (piers and abutments) rates good at 7/9, with no significant deterioration on file.
How to read this record
6558: COTTONWOOD C 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 6558: COTTONWOOD C against other structures in Carbon 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 6558: COTTONWOOD C?
6558: COTTONWOOD C in Carbon, Utah has a deck rating of 4/9, superstructure rating of 5/9, and substructure rating of 7/9 on the FHWA's 0–9 scale.
How often is 6558: COTTONWOOD C inspected?
6558: COTTONWOOD C'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 75 vehicles per day.
What does “structurally deficient” mean in older bridge reports?
FHWA retired that reported status beginning with the 2018 archive. 6558: COTTONWOOD C 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 6558: COTTONWOOD C?
6558: COTTONWOOD C has an NBI inventory load rating of 26.9 metric tons.
Who is responsible for maintaining 6558: COTTONWOOD C?
6558: COTTONWOOD C is owned and maintained by Bureau of Land Management.
How old is 6558: COTTONWOOD C and does age affect safety?
6558: COTTONWOOD C was built in 1994, making it 32 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.
Every figure on PlainBridge is rendered directly from federal source data, no number is typed in by an editor. This page draws directly on federal source data, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.