SH 300 Ml over Arkansas River
FairLake County, Colorado · 0.4 MI E of JCT SH 24 Mal · Structure no. H-11-AA
- Built
- 1939
- 86 years old
- Condition
- Fair
- inspected October 2024
- Type
- Stringer/Multi-beam or Girder
- Wood or Timber
- Length
- 159 ft
- 7 main spans
- Daily traffic
- 1,600
- 2020 count
- Owner
- State
- State Highway Agency
About this bridge
SH 300 Ml over Arkansas River is a wood or timber stringer/multi-beam or girder carrying SH 300 Ml over Arkansas River in Lake County, Colorado. It was built in 1939, so it is 86 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 1,600 vehicles a day, roughly 4% of them trucks, projected to reach 2,784 by 2040. The structure is 159 ft (48.5 m) long and 26 ft wide. If it were closed, the detour would be 6.8 mi (11 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 | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Substructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Channel and channel protection | 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 300 Ml over Arkansas River built?
It was built in 1939, making it 86 years old in 2025.
What condition is SH 300 Ml over Arkansas 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 300 Ml over Arkansas River carry?
About 1,600 vehicles per day (2020 count), of which roughly 4% are trucks.
How long is SH 300 Ml over Arkansas River?
The structure is 159 ft (48.5 m) long with a longest span of 23 ft (6.9 m) and a deck 26 ft wide.
Who owns SH 300 Ml over Arkansas River?
It is owned by the State Highway Agency.