Markegard RD over Cove Ditch 067
FairYellowstone County, Montana · 4M W Laurel · Structure no. L56543001+08001
- Built
- 1986
- 39 years old
- Condition
- Fair
- inspected January 2025
- Type
- Tee Beam
- Prestressed Concrete
- Length
- 25 ft
- 1 main span
- Daily traffic
- 100
- 2025 count
- Owner
- County
- County Highway Agency
About this bridge
Markegard RD over Cove Ditch 067 is a prestressed concrete tee beam carrying Markegard RD over Cove Ditch 067 in Yellowstone County, Montana. It was built in 1986, so it is 39 years old, younger than the Montana average of 47 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 100 vehicles a day, roughly 3% of them trucks, projected to reach 100 by 2040. The structure is 25 ft (7.6 m) long and 29 ft wide. If it were closed, the detour would be 16.2 mi (26 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 | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Markegard RD over Cove Ditch 067 built?
It was built in 1986, making it 39 years old in 2025.
What condition is Markegard RD over Cove Ditch 067 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 2025.
How much traffic does Markegard RD over Cove Ditch 067 carry?
About 100 vehicles per day (2025 count), of which roughly 3% are trucks.
How long is Markegard RD over Cove Ditch 067?
The structure is 25 ft (7.6 m) long with a longest span of 23 ft (7 m) and a deck 29 ft wide.
Who owns Markegard RD over Cove Ditch 067?
It is owned by the County Highway Agency.