Wyo 433 over Unnamed Draw
Big Horn County, Wyoming · rated Good in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Wyo 433 over Unnamed Draw in Big Horn County, Wyoming, 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 2015, making it 10 years old at the 2025 inventory.
- It carries about 1,387 vehicles a day (traffic count year 2024).
- Its listed owner is the state highway agency.
- It is one of 25 of the 91 inventoried bridges in Big Horn County rated good (27.5%); 9 (9.9%) 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 → (44.06357, -107.96157)
Component ratings
| Component | Rating (2025) | FHWA scale meaning |
|---|---|---|
| Culvert | 7 | Good condition |
Bridge details
| Structure | Concrete culvert |
| Length | about 23 ft |
| Location | Worland - Manderson |
| NBI structure number | MTP |
| Condition class | Good |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Wyoming department of transportation.
Busiest bridges in Big Horn County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| US 14 over Dry Creek | 1961 | 5,103 | Good |
| US 14 over BNSF Railway | 1961 | 5,103 | Fair |
| US 310 over Shoshone River | 1965 | 4,224 | Fair |
| US 16 over Greybull River | 1955 | 3,036 | Fair |
| US 16 over BNSF Railway | 2005 | 3,036 | Fair |
| US 310 over Little Dry Creek | 1957 | 2,271 | Fair |
All bridges nearby: Big Horn County, WY bridge conditions · every bridge in Big Horn County · Wyoming bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.