SH 52 Ml over Antelope Creek
Morgan County, Colorado · rated Good in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- SH 52 Ml over Antelope Creek in Morgan 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 1977, making it 48 years old at the 2025 inventory.
- It carries about 410 vehicles a day (traffic count year 2020).
- Its listed owner is the state highway agency.
- It is one of 70 of the 193 inventoried bridges in Morgan County rated good (36.3%); 6 (3.1%) 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 March 2023, on a 48-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 → (40.0878, -104.05621)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Culvert | 7 | 7 | Good condition |
Bridge details
| Structure | Concrete culvert |
| Length | about 47 ft |
| Location | 20 Mi No. of Jct SH 79 |
| NBI structure number | D-20-AN |
| Condition class | Good |
| Traffic status (item 41) | Open, no restriction |
| Last inspection (item 90) | March 2023 |
| Inspection interval (item 91) | 48 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 Morgan County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| I 76 Ml over Morgan Canal | 1959 | 16,000 | Fair |
| I 76 Ml over Upper Platte Beaver Ditc | 1958 | 15,000 | Fair |
| I 76 Ml over Co Rd 1 | 1958 | 14,000 | Fair |
| I 76 Ml over Big Beaver Creek | 1961 | 12,000 | Good |
| Barlow Road over Upper Platte Beaver Cana | 2000 | 10,679 | Fair |
| I 76 Ml Wbnd over Bijou Creek | 1955 | 9,500 | Fair |
All bridges nearby: Morgan County, CO bridge conditions · every bridge in Morgan County · Colorado bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.