County Road 34 over Supply Ditch
PoorWeld County, Colorado · 1.7 MI E. of CO RD 1 · Structure no. MEAD34.0-003.0B
- Built
- 1937
- 88 years old, rebuilt 1985
- Condition
- Poor
- inspected February 2024
- Type
- Slab
- Concrete
- Length
- 22 ft
- 1 main span
- Daily traffic
- 3,223
- 2023 count
- Owner
- Town / Township
- Town or Township Highway Agency
About this bridge
County Road 34 over Supply Ditch is a concrete slab carrying County Road 34 over Supply Ditch in Weld County, Colorado. It was built in 1937 and reconstructed in 1985, so it is 88 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 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 3,223 vehicles a day, roughly 19% of them trucks, projected to reach 4,577 by 2042. The structure is 22 ft (6.7 m) long and 29 ft wide. If it were closed, the detour would be 1.9 mi (3 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 County Road 34 over Supply Ditch built?
It was built in 1937, making it 88 years old in 2025. It was reconstructed in 1985.
What condition is County Road 34 over Supply 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 February 2024.
How much traffic does County Road 34 over Supply Ditch carry?
About 3,223 vehicles per day (2023 count), of which roughly 19% are trucks.
How long is County Road 34 over Supply Ditch?
The structure is 22 ft (6.7 m) long with a longest span of 20 ft (6.1 m) and a deck 29 ft wide.
Who owns County Road 34 over Supply Ditch?
It is owned by the Town or Township Highway Agency.