W 58th Drive over Boulder Diversion Canal
FairJefferson County, Colorado · 1.1 MI E of HWY 93 · Structure no. E-24-93
- Built
- 1976
- 49 years old
- Condition
- Fair
- inspected February 2025
- Type
- Stringer/Multi-beam or Girder
- Steel
- Length
- 26 ft
- 1 main span
- Daily traffic
- 5,380
- 2021 count
- Owner
- County
- County Highway Agency
About this bridge
W 58th Drive over Boulder Diversion Canal is a steel stringer/multi-beam or girder carrying W 58th Drive over Boulder Diversion Canal in Jefferson County, Colorado. It was built in 1976, so it is 49 years old, older than the Colorado average of 42.2 years.
The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
It carries about 5,380 vehicles a day, roughly 9% of them trucks, projected to reach 6,187 by 2041. The structure is 26 ft (8 m) long and 54 ft wide. If it were closed, the detour would be 1.9 mi (3 km).
Location
Open in Google MapsCondition and inspection
The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Superstructure | 8 Very Good | No problems noted. |
| Substructure | 7 Good | Some minor problems. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was W 58th Drive over Boulder Diversion Canal built?
It was built in 1976, making it 49 years old in 2025.
What condition is W 58th Drive over Boulder Diversion Canal in?
The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in February 2025.
How much traffic does W 58th Drive over Boulder Diversion Canal carry?
About 5,380 vehicles per day (2021 count), of which roughly 9% are trucks.
How long is W 58th Drive over Boulder Diversion Canal?
The structure is 26 ft (8 m) long with a longest span of 23 ft (6.9 m) and a deck 54 ft wide.
Who owns W 58th Drive over Boulder Diversion Canal?
It is owned by the County Highway Agency.