Potomac Street over Obrian Canal
PoorPosted for loadAdams County, Colorado · 0.2 Mile North of SH 2 · Structure no. COMC-07-0.2-01
- Built
- 1940
- 85 years old
- Condition
- Poor
- inspected December 2024
- Type
- Truss - Thru
- Steel
- Length
- 66 ft
- 1 main span
- Daily traffic
- 190
- 2021 count
- Owner
- City
- City or Municipal Highway Agency
About this bridge
Potomac Street over Obrian Canal is a steel truss - thru carrying Potomac Street over Obrian Canal in Adams County, Colorado. It was built in 1940, so it is 85 years old, older than the Colorado average of 42.2 years.
The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 2 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 190 vehicles a day, roughly 20% of them trucks, projected to reach 247 by 2041. The structure is 66 ft (20.2 m) long and 20 ft wide. If it were closed, the detour would be 105 mi (169 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 | 2 Critical | Advanced deterioration of primary structural elements. Bridge may be closed until corrective action is taken. |
| Superstructure | 3 Serious | Loss of section, deterioration, spalling or scour have seriously affected primary structural components. |
| 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 Potomac Street over Obrian Canal built?
It was built in 1940, making it 85 years old in 2025.
What condition is Potomac Street over Obrian Canal 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 December 2024.
How much traffic does Potomac Street over Obrian Canal carry?
About 190 vehicles per day (2021 count), of which roughly 20% are trucks.
How long is Potomac Street over Obrian Canal?
The structure is 66 ft (20.2 m) long with a longest span of 61 ft (18.7 m) and a deck 20 ft wide.
Who owns Potomac Street over Obrian Canal?
It is owned by the City or Municipal Highway Agency.