SH 109-Logan Co. over Prairie Branch
Logan County, Arkansas · rated Fair in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- SH 109-Logan Co. over Prairie Branch in Logan County, Arkansas, is rated in fair condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the culvert, rated 6 (satisfactory condition) on the 0-9 scale.
- It was built in 1952, making it 73 years old at the 2025 inventory.
- It carries about 1,400 vehicles a day (traffic count year 2018).
- Its listed owner is the state highway agency.
- It is one of 109 of the 152 inventoried bridges in Logan County rated fair (71.7%); 13 (8.6%) 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 June 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 → (35.17808, -93.80692)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Culvert | 6 | 6 | Satisfactory condition |
Bridge details
| Structure | Concrete culvert |
| Length | about 30 ft |
| Location | 2.05 Mi N. Jct Hwy 10 |
| NBI structure number | 000000000002749 |
| Condition class | Fair |
| Traffic status (item 41) | Open, no restriction |
| Last inspection (item 90) | June 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 Arkansas department of transportation.
Busiest bridges in Logan County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| SH 10 - Logan Co. over Booneville Creek | 1930 | 10,000 | Fair |
| State Highway 22 over Hagwood Creek-Logan Co. | 1928 | 7,589 | Fair |
| SH 22-Logan Co. over East Fork Hagwood Creek | 1928 | 7,589 | Fair |
| State Highway 22 over Mine Brook-Logan Co. | 1928 | 7,000 | Fair |
| State Highway 22 over Short Mountain Creek | 1928 | 7,000 | Poor |
| SH 22-Logan Co. over Six Mile Creek Relief | 1928 | 4,800 | Poor |
All bridges nearby: Logan County, AR bridge conditions · every bridge in Logan County · Arkansas bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.