Heeney Road over Green Mtn Dam Spillway
FairSummit County, Colorado · 26 MI N of Silverthorne · Structure no. ECA-BT-001
- Built
- 1942
- 83 years old, rebuilt 2012
- Condition
- Fair
- inspected April 2023
- Type
- Slab
- Prestressed Concrete
- Length
- 83 ft
- 3 main spans
- Daily traffic
- 100
- 2015 count
- Owner
- Federal
- Bureau of Reclamation
About this bridge
Heeney Road over Green Mtn Dam Spillway is a prestressed concrete slab carrying Heeney Road over Green Mtn Dam Spillway in Summit County, Colorado. It was built in 1942 and reconstructed in 2012, so it is 83 years old, older than the Colorado average of 42.2 years.
The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
It carries about 100 vehicles a day, projected to reach 130 by 2041. The structure is 83 ft (25.2 m) long and 27 ft wide. If it were closed, the detour would be 19.9 mi (32 km).
Location
Open in Google MapsCondition and inspection
The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 6 Satisfactory | Structural elements show some minor deterioration. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 7 Good | Some minor problems. |
| Channel and channel protection | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Heeney Road over Green Mtn Dam Spillway built?
It was built in 1942, making it 83 years old in 2025. It was reconstructed in 2012.
What condition is Heeney Road over Green Mtn Dam Spillway in?
The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in April 2023.
How much traffic does Heeney Road over Green Mtn Dam Spillway carry?
About 100 vehicles per day (2015 count).
How long is Heeney Road over Green Mtn Dam Spillway?
The structure is 83 ft (25.2 m) long with a longest span of 27 ft (8.2 m) and a deck 27 ft wide.
Who owns Heeney Road over Green Mtn Dam Spillway?
It is owned by the Bureau of Reclamation.