SH 119 Ml over Boulder Creek
FairBoulder County, Colorado · Just West of Boulder · Structure no. D-15-G
- Built
- 1953
- 72 years old
- Condition
- Fair
- inspected September 2023
- Type
- Tee Beam
- Concrete Continuous
- Length
- 120 ft
- 3 main spans
- Daily traffic
- 6,400
- 2020 count
- Owner
- State
- State Highway Agency
About this bridge
SH 119 Ml over Boulder Creek is a concrete continuous tee beam carrying SH 119 Ml over Boulder Creek in Boulder County, Colorado. It was built in 1953, so it is 72 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 6,400 vehicles a day, roughly 3% of them trucks, projected to reach 7,040 by 2040. The structure is 120 ft (36.7 m) long and 41 ft wide. If it were closed, the detour would be 5 mi (8 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
| 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 SH 119 Ml over Boulder Creek built?
It was built in 1953, making it 72 years old in 2025.
What condition is SH 119 Ml over 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 September 2023.
How much traffic does SH 119 Ml over Boulder Creek carry?
About 6,400 vehicles per day (2020 count), of which roughly 3% are trucks.
How long is SH 119 Ml over Boulder Creek?
The structure is 120 ft (36.7 m) long with a longest span of 75 ft (22.9 m) and a deck 41 ft wide.
Who owns SH 119 Ml over Boulder Creek?
It is owned by the State Highway Agency.