Chevallier DR over Little Prickly Pear 109
FairPosted for loadLewis and Clark County, Montana · 7M SW Sieben Int · Structure no. L25005007+00001
- Built
- 1905
- 120 years old
- Condition
- Fair
- inspected January 2024
- Type
- Truss - Thru
- Steel
- Length
- 101 ft
- 1 main span
- Daily traffic
- 37
- 2023 count
- Owner
- County
- County Highway Agency
About this bridge
Chevallier DR over Little Prickly Pear 109 is a steel truss - thru carrying Chevallier DR over Little Prickly Pear 109 in Lewis and Clark County, Montana. It was built in 1905, so it is 120 years old, older 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 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. Its operating status is: posted for load restriction.
It carries about 37 vehicles a day, roughly 3% of them trucks, projected to reach 39 by 2043. The structure is 101 ft (30.8 m) long and 16 ft wide. If it were closed, the detour would be 34.8 mi (56 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
| Substructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Chevallier DR over Little Prickly Pear 109 built?
It was built in 1905, making it 120 years old in 2025.
What condition is Chevallier DR over Little Prickly Pear 109 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 Chevallier DR over Little Prickly Pear 109 carry?
About 37 vehicles per day (2023 count), of which roughly 3% are trucks.
How long is Chevallier DR over Little Prickly Pear 109?
The structure is 101 ft (30.8 m) long with a longest span of 100 ft (30.5 m) and a deck 16 ft wide.
Who owns Chevallier DR over Little Prickly Pear 109?
It is owned by the County Highway Agency.