SH 119 Ml Wbnd over St. Vrain River
FairBoulder County, Colorado · Near Longmont · Structure no. D-16-DY
- Built
- 2003
- 22 years old
- Condition
- Fair
- inspected September 2023
- Type
- Box Beam or Girders - Single or Spread
- Prestressed Concrete Continuous
- Length
- 290 ft
- 2 main spans
- Daily traffic
- 12,000
- 2020 count
- Owner
- State
- State Highway Agency
About this bridge
SH 119 Ml Wbnd over St. Vrain River is a prestressed concrete continuous box beam or girders - single or spread carrying SH 119 Ml Wbnd over St. Vrain River in Boulder County, Colorado. It was built in 2003, so it is 22 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 12,000 vehicles a day, roughly 4% of them trucks, projected to reach 13,440 by 2040. The structure is 290 ft (88.5 m) long and 52 ft wide. If it were closed, the detour would be 1.2 mi (2 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 | 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 Wbnd over St. Vrain River built?
It was built in 2003, making it 22 years old in 2025.
What condition is SH 119 Ml Wbnd over St. Vrain River 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 Wbnd over St. Vrain River carry?
About 12,000 vehicles per day (2020 count), of which roughly 4% are trucks.
How long is SH 119 Ml Wbnd over St. Vrain River?
The structure is 290 ft (88.5 m) long with a longest span of 143 ft (43.7 m) and a deck 52 ft wide.
Who owns SH 119 Ml Wbnd over St. Vrain River?
It is owned by the State Highway Agency.