SH 115 Ml over Arkansas River
Fremont County, Colorado · rated Fair in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- SH 115 Ml over Arkansas River in Fremont County, Colorado, is rated in fair condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the substructure, rated 5 (fair condition) on the 0-9 scale.
- It was built in 1963, making it 62 years old at the 2025 inventory.
- It carries about 12,000 vehicles a day (traffic count year 2020).
- Its listed owner is the state highway agency.
- It is one of 98 of the 137 inventoried bridges in Fremont County rated fair (71.5%); 11 (8.0%) are rated poor.
- Its traffic status in the 2025 inventory is open, no restriction (NBI item 41).
- Its class is unchanged from 2024 (fair), but component ratings moved: substructure 6 to 5.
- Its most recent inspection on record is dated August 2024, 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 → (38.43916, -105.23251)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Deck | 6 | 6 | Satisfactory condition |
| Superstructure | 6 | 6 | Satisfactory condition |
| Substructure | 6 | 5 | Fair condition |
Bridge details
| Structure | Continuous steel stringer or multi-beam girder |
| Length | about 245 ft |
| Location | 9th St 0.2 Mi S of US 50 |
| NBI structure number | K-16-Z |
| Condition class | Fair |
| Traffic status (item 41) | Open, no restriction |
| Last inspection (item 90) | August 2024 |
| Inspection interval (item 91) | 24 months |
| Scour (item 113) | 5: foundations stable, scour within the limits of the footing or piles |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Colorado department of transportation.
Busiest bridges in Fremont County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| US 50 Ml over Four Mile Creek | 1949 | 19,000 | Fair |
| US 50 Ml over Draw | 1949 | 19,000 | Fair |
| US 50 Ml over Draw | 1949 | 11,000 | Fair |
| US 50 Ml over Beaver Creek | 1949 | 9,800 | Fair |
| US 50 Ml over Urine Creek | 1977 | 9,300 | Fair |
| SH 115 Ml over Salt Creek | 1938 | 8,900 | Fair |
All bridges nearby: Fremont County, CO bridge conditions · every bridge in Fremont County · Colorado bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.