E. Keystone Rd. over Snake River
PoorSummit County, Colorado · .2 MI W of Montezuma RD · Structure no. 117000801.40002
- Built
- 1978
- 47 years old
- Condition
- Poor
- inspected September 2024
- Type
- Stringer/Multi-beam or Girder
- Steel
- Length
- 35 ft
- 1 main span
- Daily traffic
- 433
- 2020 count
- Owner
- County
- County Highway Agency
About this bridge
E. Keystone Rd. over Snake River is a steel stringer/multi-beam or girder carrying E. Keystone Rd. over Snake River in Summit County, Colorado. It was built in 1978, so it is 47 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. Its operating status is: open, posting recommended but not legally implemented.
It carries about 433 vehicles a day, roughly 4% of them trucks, projected to reach 529 by 2040. The structure is 35 ft (10.7 m) long and 32 ft wide. If it were closed, the detour would be 3.1 mi (5 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 | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was E. Keystone Rd. over Snake River built?
It was built in 1978, making it 47 years old in 2025.
What condition is E. Keystone Rd. over Snake River 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 2024.
How much traffic does E. Keystone Rd. over Snake River carry?
About 433 vehicles per day (2020 count), of which roughly 4% are trucks.
How long is E. Keystone Rd. over Snake River?
The structure is 35 ft (10.7 m) long with a longest span of 33 ft (10.1 m) and a deck 32 ft wide.
Who owns E. Keystone Rd. over Snake River?
It is owned by the County Highway Agency.