SH 71 Ml over Bob Creek Canal
Crowley County, Colorado · rated Good in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- SH 71 Ml over Bob Creek Canal in Crowley County, Colorado, is rated in good condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the substructure, rated 7 (good condition) on the 0-9 scale.
- It was built in 1966, making it 59 years old at the 2025 inventory.
- It carries about 2,300 vehicles a day (traffic count year 2020).
- Its listed owner is the state highway agency.
- It is one of 5 of the 27 inventoried bridges in Crowley County rated good (18.5%); 1 (3.7%) are rated poor.
- Its traffic status in the 2025 inventory is open, no restriction (NBI item 41).
- Its condition class and component ratings are unchanged from the 2024 inventory.
- Its most recent inspection on record is dated January 2024, on a 24-month routine inspection cycle.
- 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 → (38.18198, -103.7481)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Deck | 8 | 8 | Very good condition |
| Superstructure | 8 | 8 | Very good condition |
| Substructure | 7 | 7 | Good condition |
Bridge details
| Structure | Concrete slab |
| Length | about 67 ft |
| Location | 8 Mi North of Jct US 50 |
| NBI structure number | L-22-G |
| Condition class | Good |
| Traffic status (item 41) | Open, no restriction |
| Last inspection (item 90) | January 2024 |
| Inspection interval (item 91) | 24 months |
| Scour (item 113) | 8: foundations stable, scour above the top of the footing |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Colorado department of transportation.
Busiest bridges in Crowley County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| SH 96 Ml over Bob Creek | 1964 | 2,500 | Fair |
| SH 71 Ml over Lake Meredith Canal | 1965 | 1,700 | Fair |
| SH 96 Ml over Meredith Canal | 1934 | 1,600 | Fair |
| SH 71 Ml over Duck Creek | 1969 | 570 | Good |
| SH 71 Ml over Bob Creek Canal | 1955 | 570 | Fair |
| SH 71 Ml over Pond Creek | 1978 | 570 | Fair |
All bridges nearby: Crowley County, CO bridge conditions · every bridge in Crowley County · Colorado bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.