County Road Z over Rio Grande River
FairConejos County, Colorado · 11.5 MI NW of San Acacio · Structure no. CS3-W1.0-LT.PGA
- Built
- 1987
- 38 years old
- Condition
- Fair
- inspected March 2025
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 128 ft
- 1 main span
- Daily traffic
- 80
- 2022 count
- Owner
- County
- County Highway Agency
About this bridge
County Road Z over Rio Grande River is a prestressed concrete stringer/multi-beam or girder carrying County Road Z over Rio Grande River in Conejos County, Colorado. It was built in 1987, so it is 38 years old, younger 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 80 vehicles a day, roughly 2% of them trucks, projected to reach 90 by 2042. The structure is 128 ft (38.9 m) long and 27 ft wide. If it were closed, the detour would be 18 mi (29 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 County Road Z over Rio Grande River built?
It was built in 1987, making it 38 years old in 2025.
What condition is County Road Z over Rio Grande River 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 March 2025.
How much traffic does County Road Z over Rio Grande River carry?
About 80 vehicles per day (2022 count), of which roughly 2% are trucks.
How long is County Road Z over Rio Grande River?
The structure is 128 ft (38.9 m) long with a longest span of 122 ft (37.3 m) and a deck 27 ft wide.
Who owns County Road Z over Rio Grande River?
It is owned by the County Highway Agency.