I 225 Ml Nbnd over Ulster St.
Denver County, Colorado · rated Fair in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- I 225 Ml Nbnd over Ulster St. in Denver County, Colorado, is rated in fair condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the deck, rated 6 (satisfactory condition) on the 0-9 scale.
- It was built in 1976, making it 49 years old at the 2025 inventory.
- It carries about 69,000 vehicles a day (traffic count year 2020).
- Its listed owner is the state highway agency.
- It is one of 260 of the 457 inventoried bridges in Denver County rated fair (56.9%); 9 (2.0%) 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 June 2023, on a 24-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 → (39.63446, -104.90211)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Deck | 6 | 6 | Satisfactory condition |
| Superstructure | 6 | 6 | Satisfactory condition |
| Substructure | 6 | 6 | Satisfactory condition |
Bridge details
| Structure | Continuous concrete multiple box beam |
| Length | about 333 ft |
| Location | 0.2 Mi E. of I25 |
| NBI structure number | F-17-FV |
| Condition class | Fair |
| Traffic status (item 41) | Open, no restriction |
| Last inspection (item 90) | June 2023 |
| Inspection interval (item 91) | 24 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 Denver County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| I 25 Ml over RTD Pedestrian Underpass | 2003 | 261,000 | Fair |
| I 25 Ml over RR Spur | 1949 | 242,000 | Fair |
| I 25 Ml over Fox Street | 1949 | 242,000 | Good |
| I 25 Ml over Storm Drainage | 1993 | 242,000 | Fair |
| I 25 Ml over W. Myrtle Pl. / RR | 1956 | 235,000 | Fair |
| I 25 Ml over 13TH Ave | 1956 | 235,000 | Fair |
All bridges nearby: Denver County, CO bridge conditions · every bridge in Denver County · Colorado bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.