Jo Cnty Rd 1 over Rock Creek
Johnson County, Wyoming · rated Poor in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Jo Cnty Rd 1 over Rock Creek in Johnson County, Wyoming, is rated in poor condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the culvert, rated 4 (poor condition) on the 0-9 scale.
- It was built in 1994, making it 31 years old at the 2025 inventory.
- It carries about 168 vehicles a day (traffic count year 2024).
- Its listed owner is the county highway agency.
- It is one of 7 of the 204 inventoried bridges in Johnson County rated poor (3.4%); 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 March 2024, on a 24-month routine inspection cycle.
- 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 → (44.40627, -106.74401)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Culvert | 4 | 4 | Poor condition |
Bridge details
| Structure | Steel culvert |
| Length | about 37 ft |
| Location | 4 Mi N.E. Of Buffalo |
| NBI structure number | KIC |
| Condition class | Poor |
| Traffic status (item 41) | Open, no restriction |
| Last inspection (item 90) | March 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.