SH 93 Ml over South Boulder Creek
FairBoulder County, Colorado · 0.4 MI N of JCT SH 170 + · Structure no. E-16-AN
- Built
- 1969
- 56 years old
- Condition
- Fair
- inspected August 2023
- Type
- Tee Beam
- Prestressed Concrete
- Length
- 73 ft
- 1 main span
- Daily traffic
- 17,000
- 2020 count
- Owner
- State
- State Highway Agency
About this bridge
SH 93 Ml over South Boulder Creek is a prestressed concrete tee beam carrying SH 93 Ml over South Boulder Creek in Boulder County, Colorado. It was built in 1969, so it is 56 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 17,000 vehicles a day, roughly 5% of them trucks, projected to reach 19,210 by 2040. The structure is 73 ft (22.3 m) long and 87 ft wide. If it were closed, the detour would be 0.6 mi (1 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Channel and channel protection | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was SH 93 Ml over South Boulder Creek built?
It was built in 1969, making it 56 years old in 2025.
What condition is SH 93 Ml over South Boulder Creek 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 93 Ml over South Boulder Creek carry?
About 17,000 vehicles per day (2020 count), of which roughly 5% are trucks.
How long is SH 93 Ml over South Boulder Creek?
The structure is 73 ft (22.3 m) long with a longest span of 72 ft (22 m) and a deck 87 ft wide.
Who owns SH 93 Ml over South Boulder Creek?
It is owned by the State Highway Agency.