SH 74 Ml over Sawmill Gulch
FairJefferson County, Colorado · In Idledale · Structure no. F-15-DD
- Built
- 1999
- 26 years old
- Condition
- Fair
- inspected August 2023
- Type
- Culvert
- Concrete
- Length
- 32 ft
- 2 main spans
- Daily traffic
- 3,300
- 2020 count
- Owner
- State
- State Highway Agency
About this bridge
SH 74 Ml over Sawmill Gulch is a concrete culvert carrying SH 74 Ml over Sawmill Gulch in Jefferson County, Colorado. It was built in 1999, so it is 26 years old, younger 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 3,300 vehicles a day, roughly 3% of them trucks, projected to reach 3,399 by 2040. The structure is 32 ft (9.8 m) long and 123 ft wide. If it were closed, the detour would be 3.7 mi (6 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 | 8 Very Good | No problems noted. |
| Culvert | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was SH 74 Ml over Sawmill Gulch built?
It was built in 1999, making it 26 years old in 2025.
What condition is SH 74 Ml over Sawmill Gulch 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 August 2023.
How much traffic does SH 74 Ml over Sawmill Gulch carry?
About 3,300 vehicles per day (2020 count), of which roughly 3% are trucks.
How long is SH 74 Ml over Sawmill Gulch?
The structure is 32 ft (9.8 m) long with a longest span of 16 ft (4.9 m) and a deck 123 ft wide.
Who owns SH 74 Ml over Sawmill Gulch?
It is owned by the State Highway Agency.