SH 52 Ml over Boulder Creek
GoodBoulder County, Colorado · 2.4 MI E of JCT US 287 · Structure no. D-16-DS
- Built
- 2011
- 14 years old
- Condition
- Good
- inspected March 2025
- Type
- Box Beam or Girders - Multiple
- Prestressed Concrete Continuous
- Length
- 219 ft
- 5 main spans
- Daily traffic
- 14,000
- 2020 count
- Owner
- State
- State Highway Agency
About this bridge
SH 52 Ml over Boulder Creek is a prestressed concrete continuous box beam or girders - multiple carrying SH 52 Ml over Boulder Creek in Boulder County, Colorado. It was built in 2011, so it is 14 years old, younger than the Colorado average of 42.2 years.
The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
It carries about 14,000 vehicles a day, roughly 5% of them trucks, projected to reach 18,340 by 2040. The structure is 219 ft (66.6 m) long and 99 ft wide. If it were closed, the detour would be 1.9 mi (3 km).
Location
Open in Google MapsCondition and inspection
All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 7 Good | Some minor problems. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 7 Good | Some minor problems. |
| Channel and channel protection | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was SH 52 Ml over Boulder Creek built?
It was built in 2011, making it 14 years old in 2025.
What condition is SH 52 Ml over Boulder Creek in?
The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in March 2025.
How much traffic does SH 52 Ml over Boulder Creek carry?
About 14,000 vehicles per day (2020 count), of which roughly 5% are trucks.
How long is SH 52 Ml over Boulder Creek?
The structure is 219 ft (66.6 m) long with a longest span of 48 ft (14.6 m) and a deck 99 ft wide.
Who owns SH 52 Ml over Boulder Creek?
It is owned by the State Highway Agency.