SH 135 Ml over Slate River
FairGunnison County, Colorado · 5.7 MI SE of Crested Butt · Structure no. I-09-Q
- Built
- 1995
- 30 years old
- Condition
- Fair
- inspected January 2025
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 159 ft
- 1 main span
- Daily traffic
- 7,200
- 2020 count
- Owner
- State
- State Highway Agency
About this bridge
SH 135 Ml over Slate River is a prestressed concrete stringer/multi-beam or girder carrying SH 135 Ml over Slate River in Gunnison County, Colorado. It was built in 1995, so it is 30 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 7,200 vehicles a day, roughly 4% of them trucks, projected to reach 9,216 by 2040. The structure is 159 ft (48.5 m) long and 43 ft wide. If it were closed, the detour would be 49.7 mi (80 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 | 7 Good | Some minor problems. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Channel and channel protection | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was SH 135 Ml over Slate River built?
It was built in 1995, making it 30 years old in 2025.
What condition is SH 135 Ml over Slate 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 January 2025.
How much traffic does SH 135 Ml over Slate River carry?
About 7,200 vehicles per day (2020 count), of which roughly 4% are trucks.
How long is SH 135 Ml over Slate River?
The structure is 159 ft (48.5 m) long with a longest span of 156 ft (47.5 m) and a deck 43 ft wide.
Who owns SH 135 Ml over Slate River?
It is owned by the State Highway Agency.