Boston Mill RD over Sodom Ditch
PoorPosted for loadLinn County, Oregon · 020 MI East Shedd · Structure no. 12286 001300746
- Built
- 1961
- 64 years old
- Condition
- Poor
- inspected October 2024
- Type
- Stringer/Multi-beam or Girder
- Steel
- Length
- 119 ft
- 1 main span
- Daily traffic
- 299
- 2021 count
- Owner
- County
- County Highway Agency
About this bridge
Boston Mill RD over Sodom Ditch is a steel stringer/multi-beam or girder carrying Boston Mill RD over Sodom Ditch in Linn County, Oregon. It was built in 1961, so it is 64 years old, older than the Oregon average of 49.9 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 299 vehicles a day, roughly 15% of them trucks, projected to reach 412 by 2041. The structure is 119 ft (36.3 m) long and 23 ft wide. If it were closed, the detour would be 10.6 mi (17 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 | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
| Substructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Channel and channel protection | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Boston Mill RD over Sodom Ditch built?
It was built in 1961, making it 64 years old in 2025.
What condition is Boston Mill RD over Sodom Ditch 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 October 2024.
How much traffic does Boston Mill RD over Sodom Ditch carry?
About 299 vehicles per day (2021 count), of which roughly 15% are trucks.
How long is Boston Mill RD over Sodom Ditch?
The structure is 119 ft (36.3 m) long with a longest span of 59 ft (18 m) and a deck 23 ft wide.
Who owns Boston Mill RD over Sodom Ditch?
It is owned by the County Highway Agency.