Hayden Arch Road over Shoshone River
Park County, Wyoming · rated Poor in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Hayden Arch Road over Shoshone River in Park County, Wyoming, is rated in poor condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the deck, rated 4 (poor condition) on the 0-9 scale.
- It was built in 1924, making it 101 years old at the 2025 inventory.
- It carries about 100 vehicles a day (traffic count year 2013).
- It is one of 7 of the 187 inventoried bridges in Park County rated poor (3.7%); 7 (3.7%) are rated poor.
- A poor rating means at least one major component - deck, superstructure, or substructure - is rated 4 or lower on FHWA's 0-9 scale. It does not by itself mean the bridge is unsafe; bridges judged unsafe are closed or load-restricted by their owners.
View this bridge on a map → (44.51028, -109.14714)
Component ratings
| Component | Rating (2025) | FHWA scale meaning |
|---|---|---|
| Deck | 4 | Poor condition |
| Superstructure | 4 | Poor condition |
| Substructure | 5 | Fair condition |
Bridge details
| Structure | Concrete deck arch |
| Length | about 159 ft |
| Location | 4.5 mi W-SW of Cody WY |
| NBI structure number | WYA-S-002 |
| Condition class | Poor |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Wyoming department of transportation.
Busiest bridges in Park County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| US 14 over Sulphur Creek | 1955 | 18,836 | Fair |
| US 14 over Beck Lake | 1970 | 7,543 | Fair |
| US 14A over Shoshone River | 1957 | 7,206 | Fair |
| US 14A over Sage Creek | 2014 | 7,206 | Good |
| US 14A over Alkali Creek | 2005 | 5,874 | Fair |
| US 14A over Garland Canal | 2005 | 5,874 | Fair |
All bridges nearby: Park County, WY bridge conditions · every bridge in Park County · Wyoming bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.