County Road Z over Crooked Arroyo
Otero County, Colorado · rated Good in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- County Road Z over Crooked Arroyo in Otero County, Colorado, is rated in good condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the culvert, rated 7 (good condition) on the 0-9 scale.
- It was built in 1985, making it 40 years old at the 2025 inventory.
- It carries about 172 vehicles a day (traffic count year 2022).
- Its listed owner is the county highway agency.
- It is one of 52 of the 196 inventoried bridges in Otero County rated good (26.5%); 16 (8.2%) are rated poor.
- A good rating means every major component - deck, superstructure, substructure, or culvert - is rated 7 or higher on FHWA's 0-9 scale: no more than minor problems.
View this bridge on a map → (37.96811, -103.60897)
Component ratings
| Component | Rating (2025) | FHWA scale meaning |
|---|---|---|
| Culvert | 7 | Good condition |
Bridge details
| Structure | Aluminum or iron culvert |
| Length | about 20 ft |
| Location | 1.8 Mi W of SH 350 |
| NBI structure number | OT-Z-25-22-131A |
| Condition class | Good |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Colorado department of transportation.
Busiest bridges in Otero County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| US 50 Ml over Anderson Arroyo | 1961 | 12,000 | Fair |
| US 50 Ml over Patterson Hollow | 2001 | 5,600 | Good |
| US 50 Ml over Catlin Canal | 1969 | 5,600 | Fair |
| US 50 Ml Wbnd over Crooked Arroyo | 1947 | 5,000 | Fair |
| US 50 Ml Ebnd over Crooked Arroyo | 1955 | 5,000 | Fair |
| US 50 Ml over Otero Canal | 1947 | 4,700 | Fair |
All bridges nearby: Otero County, CO bridge conditions · every bridge in Otero County · Colorado bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.