County Road 500 over S Fork Lisk Creek 070
FairDawson County, Montana · 4M N Richey · Structure no. L11500003+08001
- Built
- 1984
- 41 years old
- Condition
- Fair
- inspected November 2023
- Type
- Tee Beam
- Prestressed Concrete
- Length
- 26 ft
- 1 main span
- Daily traffic
- 63
- 2023 count
- Owner
- County
- County Highway Agency
About this bridge
County Road 500 over S Fork Lisk Creek 070 is a prestressed concrete tee beam carrying County Road 500 over S Fork Lisk Creek 070 in Dawson County, Montana. It was built in 1984, so it is 41 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 63 vehicles a day, roughly 5% of them trucks, projected to reach 66 by 2043. The structure is 26 ft (7.9 m) long and 28 ft wide. If it were closed, the detour would be 24.9 mi (40 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
| 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 County Road 500 over S Fork Lisk Creek 070 built?
It was built in 1984, making it 41 years old in 2025.
What condition is County Road 500 over S Fork Lisk Creek 070 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 November 2023.
How much traffic does County Road 500 over S Fork Lisk Creek 070 carry?
About 63 vehicles per day (2023 count), of which roughly 5% are trucks.
How long is County Road 500 over S Fork Lisk Creek 070?
The structure is 26 ft (7.9 m) long with a longest span of 24 ft (7.3 m) and a deck 28 ft wide.
Who owns County Road 500 over S Fork Lisk Creek 070?
It is owned by the County Highway Agency.