SH 157 Ramp over US 36 Ml
FairBoulder County, Colorado · In Boulder · Structure no. E-16-HW
- Built
- 1971
- 54 years old, rebuilt 2013
- Condition
- Fair
- inspected July 2023
- Type
- Stringer/Multi-beam or Girder
- Steel Continuous
- Length
- 228 ft
- 2 main spans
- Daily traffic
- 44,000
- 2021 count
- Owner
- State
- State Highway Agency
About this bridge
SH 157 Ramp over US 36 Ml is a steel continuous stringer/multi-beam or girder carrying SH 157 Ramp over US 36 Ml in Boulder County, Colorado. It was built in 1971 and reconstructed in 2013, so it is 54 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 44,000 vehicles a day, roughly 4% of them trucks, projected to reach 52,800 by 2041. The structure is 228 ft (69.5 m) long and 45 ft wide. If it were closed, the detour would be 3.1 mi (5 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 | 7 Good | Some minor problems. |
| Superstructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Substructure | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was SH 157 Ramp over US 36 Ml built?
It was built in 1971, making it 54 years old in 2025. It was reconstructed in 2013.
What condition is SH 157 Ramp over US 36 Ml 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 July 2023.
How much traffic does SH 157 Ramp over US 36 Ml carry?
About 44,000 vehicles per day (2021 count), of which roughly 4% are trucks.
How long is SH 157 Ramp over US 36 Ml?
The structure is 228 ft (69.5 m) long with a longest span of 114 ft (34.8 m) and a deck 45 ft wide.
Who owns SH 157 Ramp over US 36 Ml?
It is owned by the State Highway Agency.