SH 348 Ml over Ironstone Canal
FairMontrose County, Colorado · 1.5 MI W of Olathe · Structure no. J-04-AC_MINOR
- Built
- 1930
- 95 years old
- Condition
- Fair
- inspected March 2024
- Type
- Culvert
- Steel
- Length
- 23 ft
- 2 main spans
- Daily traffic
- 940
- 2020 count
- Owner
- State
- State Highway Agency
About this bridge
SH 348 Ml over Ironstone Canal is a steel culvert carrying SH 348 Ml over Ironstone Canal in Montrose County, Colorado. It was built in 1930, so it is 95 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 940 vehicles a day, roughly 5% of them trucks, projected to reach 1,109 by 2040. The structure is 23 ft (6.9 m) long and 35 ft wide. If it were closed, the detour would be 1.9 mi (3 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 |
|---|---|---|
| Channel and channel protection | 7 Good | Some minor problems. |
| Culvert | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was SH 348 Ml over Ironstone Canal built?
It was built in 1930, making it 95 years old in 2025.
What condition is SH 348 Ml over Ironstone Canal 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 March 2024.
How much traffic does SH 348 Ml over Ironstone Canal carry?
About 940 vehicles per day (2020 count), of which roughly 5% are trucks.
How long is SH 348 Ml over Ironstone Canal?
The structure is 23 ft (6.9 m) long with a longest span of 9 ft (2.7 m) and a deck 35 ft wide.
Who owns SH 348 Ml over Ironstone Canal?
It is owned by the State Highway Agency.