Montaqua Rd over Elbow Creek 048
Carbon County, Montana · rated Good in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Montaqua Rd over Elbow Creek 048 in Carbon County, Montana, is rated in good condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the deck, rated 7 (good condition) on the 0-9 scale.
- It was built in 2007, making it 18 years old at the 2025 inventory.
- It carries about 100 vehicles a day (traffic count year 2025).
- Its listed owner is the county highway agency.
- It is one of 31 of the 81 inventoried bridges in Carbon County rated good (38.3%); 4 (4.9%) are rated poor.
- 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 → (45.45895, -108.90274)
Component ratings
| Component | Rating (2025) | FHWA scale meaning |
|---|---|---|
| Deck | 7 | Good condition |
| Superstructure | 7 | Good condition |
| Substructure | 7 | Good condition |
Bridge details
| Structure | Steel stringer or multi-beam girder |
| Length | about 50 ft |
| Location | 3M SW Edgar |
| NBI structure number | L05120000+04001 |
| Condition class | Good |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Montana department of transportation.
Busiest bridges in Carbon County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| US 310 over Sand Creek | 1987 | 4,907 | Good |
| US 310 over Rock Creek | 1934 | 4,561 | Fair |
| US 212 over Rock Creek | 1974 | 3,817 | Fair |
| US 212 over Rock Creek | 2001 | 2,491 | Good |
| US 310 over Bridger Creek | 1971 | 1,932 | Fair |
| US 310 over Clarks Fk Yellowstone | 1971 | 1,932 | Fair |
All bridges nearby: Carbon County, MT bridge conditions · every bridge in Carbon County · Montana bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.