US 16 over Slick Creek
Washakie County, Wyoming · rated Fair in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- US 16 over Slick Creek in Washakie County, Wyoming, 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 2012, making it 13 years old at the 2025 inventory.
- It carries about 3,298 vehicles a day (traffic count year 2024).
- Its listed owner is the state highway agency.
- It is one of 32 of the 60 inventoried bridges in Washakie County rated fair (53.3%); 6 (10.0%) 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 May 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 → (44.01932, -107.90398)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Deck | 6 | 6 | Satisfactory condition |
| Superstructure | 8 | 8 | Very good condition |
| Substructure | 7 | 7 | Good condition |
Bridge details
| Structure | Continuous steel stringer or multi-beam girder |
| Length | about 149 ft |
| Location | Worland - Ten Sleep |
| NBI structure number | LYY |
| Condition class | Fair |
| Traffic status (item 41) | Open, no restriction |
| Last inspection (item 90) | May 2023 |
| Inspection interval (item 91) | 24 months |
| Scour (item 113) | 8: foundations stable, scour above the top of the footing |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Wyoming department of transportation.
Busiest bridges in Washakie County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| US 16 over Lower Hanover Canal | 1951 | 9,910 | Fair |
| US 20 over Big Horn River | 1975 | 4,411 | Fair |
| Wyo 433 over Big Horn Canal | 2006 | 2,866 | Fair |
| US 20 over Big Horn Canal | 2006 | 2,768 | Good |
| US 20 over Fifteen Mile Creek | 2006 | 2,768 | Fair |
| US 16 over Slick Creek | 1985 | 2,145 | Good |
All bridges nearby: Washakie County, WY bridge conditions · every bridge in Washakie County · Wyoming bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.