SH 164 over N Fork of Dirty Creek
Johnson County, Arkansas · rated Fair in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- SH 164 over N Fork of Dirty Creek in Johnson County, Arkansas, is rated in fair condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the substructure, rated 6 (satisfactory condition) on the 0-9 scale.
- It was built in 1972, making it 53 years old at the 2025 inventory.
- It carries about 640 vehicles a day (traffic count year 2018).
- Its listed owner is the state highway agency.
- It is one of 88 of the 162 inventoried bridges in Johnson County rated fair (54.3%); 3 (1.9%) are rated poor.
- 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 → (35.49479, -93.6603)
Component ratings
| Component | Rating (2025) | FHWA scale meaning |
|---|---|---|
| Deck | 7 | Good condition |
| Superstructure | 7 | Good condition |
| Substructure | 6 | Satisfactory condition |
Bridge details
| Structure | Concrete slab |
| Length | about 141 ft |
| Location | 4.3 M N Jct 64 & 164 |
| NBI structure number | 000000000005363 |
| Condition class | Fair |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Arkansas department of transportation.
Busiest bridges in Johnson County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| I - 40 over Creek | 1965 | 27,266 | Good |
| I - 40 over Creek | 1965 | 26,000 | Fair |
| I-40 WB Lns over Spadra Creek | 2003 | 15,000 | Fair |
| I 40 EB Lanes over Spadra Creek | 2003 | 15,000 | Good |
| I 40 WB Lns over Little Spadra Creek | 2003 | 13,500 | Good |
| I-40 - Sec 21 WB over US 64 - Sec 5 | 2003 | 13,500 | Good |
All bridges nearby: Johnson County, AR bridge conditions · every bridge in Johnson County · Arkansas bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.