SH 58 Ml over Arapahoe Ditch
FairJefferson County, Colorado · 1.6 MI E of JCT SH 93 · Structure no. E-16-BH
- Built
- 1970
- 55 years old
- Condition
- Fair
- inspected June 2024
- Type
- Culvert
- Concrete
- Length
- 36 ft
- 2 main spans
- Daily traffic
- 19,000
- 2020 count
- Owner
- State
- State Highway Agency
About this bridge
SH 58 Ml over Arapahoe Ditch is a concrete culvert carrying SH 58 Ml over Arapahoe Ditch in Jefferson County, Colorado. It was built in 1970, so it is 55 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 6 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 19,000 vehicles a day, roughly 11% of them trucks, projected to reach 25,840 by 2040. The structure is 36 ft (11 m) long and 198 ft wide. If it were closed, the detour would be 3.1 mi (5 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 |
|---|---|---|
| Channel and channel protection | 7 Good | Some minor problems. |
| Culvert | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was SH 58 Ml over Arapahoe Ditch built?
It was built in 1970, making it 55 years old in 2025.
What condition is SH 58 Ml over Arapahoe Ditch 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 June 2024.
How much traffic does SH 58 Ml over Arapahoe Ditch carry?
About 19,000 vehicles per day (2020 count), of which roughly 11% are trucks.
How long is SH 58 Ml over Arapahoe Ditch?
The structure is 36 ft (11 m) long with a longest span of 17 ft (5.2 m) and a deck 198 ft wide.
Who owns SH 58 Ml over Arapahoe Ditch?
It is owned by the State Highway Agency.