Old HWY 87 over Two Leggins Canal 0
PoorBig Horn County, Montana · 1M W Hardin · Structure no. L02313021+06001
- Built
- 1931
- 94 years old
- Condition
- Poor
- inspected November 2023
- Type
- Tee Beam
- Concrete
- Length
- 33 ft
- 1 main span
- Daily traffic
- 564
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
Old HWY 87 over Two Leggins Canal 0 is a concrete tee beam carrying Old HWY 87 over Two Leggins Canal 0 in Big Horn County, Montana. It was built in 1931, so it is 94 years old, older than the Montana average of 47 years.
The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.
It carries about 564 vehicles a day, roughly 2% of them trucks, projected to reach 592 by 2043. The structure is 33 ft (10.1 m) long and 25 ft wide. If it were closed, the detour would be 3.7 mi (6 km).
Location
Open in Google MapsCondition and inspection
The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 6 Satisfactory | Structural elements show some minor deterioration. |
| Superstructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Substructure | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
| Channel and channel protection | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Old HWY 87 over Two Leggins Canal 0 built?
It was built in 1931, making it 94 years old in 2025.
What condition is Old HWY 87 over Two Leggins Canal 0 in?
The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in November 2023.
How much traffic does Old HWY 87 over Two Leggins Canal 0 carry?
About 564 vehicles per day (2023 count), of which roughly 2% are trucks.
How long is Old HWY 87 over Two Leggins Canal 0?
The structure is 33 ft (10.1 m) long with a longest span of 31 ft (9.4 m) and a deck 25 ft wide.
Who owns Old HWY 87 over Two Leggins Canal 0?
It is owned by the State Highway Agency.