SH 112 Ml over Rio Grande Overflow
GoodRio Grande County, Colorado · 0.6 MI N of JCT US 160 · Structure no. N-11-E
- Built
- 1947
- 78 years old
- Condition
- Good
- inspected March 2023
- Type
- Culvert
- Concrete
- Length
- 32 ft
- 3 main spans
- Daily traffic
- 1,800
- 2020 count
- Owner
- State
- State Highway Agency
About this bridge
SH 112 Ml over Rio Grande Overflow is a concrete culvert carrying SH 112 Ml over Rio Grande Overflow in Rio Grande County, Colorado. It was built in 1947, so it is 78 years old, older than the Colorado average of 42.2 years.
The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
It carries about 1,800 vehicles a day, roughly 13% of them trucks, projected to reach 2,088 by 2040. The structure is 32 ft (9.8 m) long and 35 ft wide. If it were closed, the detour would be 1.2 mi (2 km).
Location
Open in Google MapsCondition and inspection
All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
| Component | Rating | Meaning |
|---|---|---|
| Channel and channel protection | 8 Very Good | No problems noted. |
| Culvert | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was SH 112 Ml over Rio Grande Overflow built?
It was built in 1947, making it 78 years old in 2025.
What condition is SH 112 Ml over Rio Grande Overflow in?
The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in March 2023.
How much traffic does SH 112 Ml over Rio Grande Overflow carry?
About 1,800 vehicles per day (2020 count), of which roughly 13% are trucks.
How long is SH 112 Ml over Rio Grande Overflow?
The structure is 32 ft (9.8 m) long with a longest span of 10 ft (3 m) and a deck 35 ft wide.
Who owns SH 112 Ml over Rio Grande Overflow?
It is owned by the State Highway Agency.