SH 39 Ml over S. Platte River Overflow
FairMorgan County, Colorado · 6.8 MI N of JCT US 34 · Structure no. C-20-AS
- Built
- 1996
- 29 years old
- Condition
- Fair
- inspected January 2024
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete Continuous
- Length
- 526 ft
- 5 main spans
- Daily traffic
- 640
- 2020 count
- Owner
- State
- State Highway Agency
About this bridge
SH 39 Ml over S. Platte River Overflow is a prestressed concrete continuous stringer/multi-beam or girder carrying SH 39 Ml over S. Platte River Overflow in Morgan County, Colorado. It was built in 1996, so it is 29 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 640 vehicles a day, roughly 16% of them trucks, projected to reach 826 by 2040. The structure is 526 ft (160.2 m) long and 36 ft wide. If it were closed, the detour would be 6.2 mi (10 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 39 Ml over S. Platte River Overflow built?
It was built in 1996, making it 29 years old in 2025.
What condition is SH 39 Ml over S. Platte River Overflow 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 2024.
How much traffic does SH 39 Ml over S. Platte River Overflow carry?
About 640 vehicles per day (2020 count), of which roughly 16% are trucks.
How long is SH 39 Ml over S. Platte River Overflow?
The structure is 526 ft (160.2 m) long with a longest span of 103 ft (31.4 m) and a deck 36 ft wide.
Who owns SH 39 Ml over S. Platte River Overflow?
It is owned by the State Highway Agency.