SH 45 Ml Sbnd over UP RR
Pueblo County, Colorado · rated Fair in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- SH 45 Ml Sbnd over UP RR in Pueblo County, Colorado, is rated in fair condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the substructure, rated 6 (satisfactory condition) on the 0-9 scale.
- It was built in 1982, making it 43 years old at the 2025 inventory.
- It carries about 10,000 vehicles a day (traffic count year 2020).
- Its listed owner is the state highway agency.
- It is one of 198 of the 265 inventoried bridges in Pueblo County rated fair (74.7%); 12 (4.5%) 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 May 2022, on a 48-month routine inspection cycle.
- A fair rating means the lowest-rated major component scores 5 or 6 on FHWA's 0-9 scale: some deterioration or minor section loss, but the structure is sound. It is the middle class, not a warning.
View this bridge on a map → (38.28162, -104.66327)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Deck | 7 | 7 | Good condition |
| Superstructure | 7 | 7 | Good condition |
| Substructure | 6 | 6 | Satisfactory condition |
Bridge details
| Structure | Continuous steel stringer or multi-beam girder |
| Length | about 152 ft |
| Location | W. Edge of Pueblo |
| NBI structure number | K-18-EV |
| Condition class | Fair |
| Traffic status (item 41) | Open, no restriction |
| Last inspection (item 90) | May 2022 |
| Inspection interval (item 91) | 48 months |
| Scour (item 113) | N: not over a waterway |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Colorado department of transportation.
Busiest bridges in Pueblo County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| I 25 Ml over 13TH St | 1975 | 64,000 | Fair |
| I 25 Ml over US 50 Ml & SH 47 Ml | 2002 | 57,000 | Good |
| I 25 Ml over SH 96 Ml | 1959 | 52,000 | Fair |
| I 25 Ml over 5TH Street | 1959 | 52,000 | Fair |
| I 25 Ml over Gruma Drive | 2019 | 52,000 | Good |
| I 25 Ml over Service Rd BNSF RR | 2019 | 52,000 | Good |
All bridges nearby: Pueblo County, CO bridge conditions · every bridge in Pueblo County · Colorado bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.