I-90 / US 87 Bus over French Creek
Johnson County, Wyoming · rated Fair in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- I-90 / US 87 Bus over French Creek in Johnson 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 1955, making it 70 years old at the 2025 inventory.
- It carries about 1,441 vehicles a day (traffic count year 2024).
- Its listed owner is the state highway agency.
- It is one of 141 of the 204 inventoried bridges in Johnson County rated fair (69.1%); 7 (3.4%) 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 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 → (44.36434, -106.69682)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Deck | 6 | 6 | Satisfactory condition |
| Superstructure | 6 | 6 | Satisfactory condition |
| Substructure | 6 | 6 | Satisfactory condition |
Bridge details
| Structure | Concrete frame |
| Length | about 55 ft |
| Location | Buffalo Main Street |
| NBI structure number | AXY |
| Condition class | Fair |
| Traffic status (item 41) | Open, no restriction |
| Last inspection (item 90) | May 2024 |
| 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 Johnson County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| I-25 / US 87 Bus over Clear Creek | 1975 | 5,733 | Fair |
| I-90 Wbl over Jo CR 213 (Monument Rd) | 1966 | 3,990 | Fair |
| I-90 Wbl over Jo CR 1 (Rock Creek Rd) | 1963 | 3,990 | Fair |
| I-90 Ebl over Jo CR 39 (Lake Ridge Rd) | 1966 | 3,980 | Fair |
| I-90 Ebl over Jo CR 1 (Rock Creek Rd) | 1963 | 3,980 | Fair |
| I-90 Wbl over Piney Creek | 1966 | 3,740 | Fair |
All bridges nearby: Johnson County, WY bridge conditions · every bridge in Johnson County · Wyoming bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.