SH 157 Ml over Pearl Street
FairBoulder County, Colorado · 2.9 MI N of US 36 · Structure no. D-16-CU
- Built
- 1985
- 40 years old
- Condition
- Fair
- inspected July 2023
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 154 ft
- 1 main span
- Daily traffic
- 43,000
- 2020 count
- Owner
- State
- State Highway Agency
About this bridge
SH 157 Ml over Pearl Street is a prestressed concrete stringer/multi-beam or girder carrying SH 157 Ml over Pearl Street in Boulder County, Colorado. It was built in 1985, so it is 40 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 43,000 vehicles a day, roughly 4% of them trucks, projected to reach 46,440 by 2040. The structure is 154 ft (46.9 m) long and 87 ft wide. If it were closed, the detour would be 11.8 mi (19 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was SH 157 Ml over Pearl Street built?
It was built in 1985, making it 40 years old in 2025.
What condition is SH 157 Ml over Pearl Street 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 Ml over Pearl Street carry?
About 43,000 vehicles per day (2020 count), of which roughly 4% are trucks.
How long is SH 157 Ml over Pearl Street?
The structure is 154 ft (46.9 m) long with a longest span of 150 ft (45.7 m) and a deck 87 ft wide.
Who owns SH 157 Ml over Pearl Street?
It is owned by the State Highway Agency.