Frontage Road 018 over Irrigation Ditch 001
PoorPosted for loadTreasure County, Montana · 1M E Hysham · Structure no. L52086000+05001
- Built
- 1933
- 92 years old, rebuilt 1955
- Condition
- Poor
- inspected September 2023
- Type
- Stringer/Multi-beam or Girder
- Wood or Timber
- Length
- 26 ft
- 1 main span
- Daily traffic
- 281
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
Frontage Road 018 over Irrigation Ditch 001 is a wood or timber stringer/multi-beam or girder carrying Frontage Road 018 over Irrigation Ditch 001 in Treasure County, Montana. It was built in 1933 and reconstructed in 1955, so it is 92 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. Its operating status is: posted for load restriction.
It carries about 281 vehicles a day, roughly 13% of them trucks, projected to reach 295 by 2043. The structure is 26 ft (7.9 m) long and 28 ft wide. If it were closed, the detour would be 5 mi (8 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 | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Substructure | 4 Poor | Advanced section loss, deterioration, 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 Frontage Road 018 over Irrigation Ditch 001 built?
It was built in 1933, making it 92 years old in 2025. It was reconstructed in 1955.
What condition is Frontage Road 018 over Irrigation Ditch 001 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 September 2023.
How much traffic does Frontage Road 018 over Irrigation Ditch 001 carry?
About 281 vehicles per day (2023 count), of which roughly 13% are trucks.
How long is Frontage Road 018 over Irrigation Ditch 001?
The structure is 26 ft (7.9 m) long with a longest span of 25 ft (7.6 m) and a deck 28 ft wide.
Who owns Frontage Road 018 over Irrigation Ditch 001?
It is owned by the State Highway Agency.