SH 133 Ml over N Fk Gunnison River
FairGunnison County, Colorado · 1 MI NE of Somerset · Structure no. I-07-P
- Built
- 1981
- 44 years old
- Condition
- Fair
- inspected October 2024
- Type
- Stringer/Multi-beam or Girder
- Steel Continuous
- Length
- 299 ft
- 3 main spans
- Daily traffic
- 1,400
- 2020 count
- Owner
- State
- State Highway Agency
About this bridge
SH 133 Ml over N Fk Gunnison River is a steel continuous stringer/multi-beam or girder carrying SH 133 Ml over N Fk Gunnison River in Gunnison County, Colorado. It was built in 1981, so it is 44 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 5 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 1,400 vehicles a day, roughly 10% of them trucks, projected to reach 1,540 by 2040. The structure is 299 ft (91.1 m) long and 43 ft wide. If it were closed, the detour would be 123.7 mi (199 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 | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was SH 133 Ml over N Fk Gunnison River built?
It was built in 1981, making it 44 years old in 2025.
What condition is SH 133 Ml over N Fk Gunnison 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 October 2024.
How much traffic does SH 133 Ml over N Fk Gunnison River carry?
About 1,400 vehicles per day (2020 count), of which roughly 10% are trucks.
How long is SH 133 Ml over N Fk Gunnison River?
The structure is 299 ft (91.1 m) long with a longest span of 116 ft (35.4 m) and a deck 43 ft wide.
Who owns SH 133 Ml over N Fk Gunnison River?
It is owned by the State Highway Agency.