US.70 Sec. 03-4.12 over Black Fork Ditch
Howard County, Arkansas · rated Fair in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- US.70 Sec. 03-4.12 over Black Fork Ditch in Howard 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 1930, making it 95 years old at the 2025 inventory.
- It carries about 3,771 vehicles a day (traffic count year 2018).
- Its listed owner is the state highway agency.
- It is one of 74 of the 116 inventoried bridges in Howard County rated fair (63.8%); 4 (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 April 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 → (34.11689, -94.01881)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Culvert | 6 | 6 | Satisfactory condition |
Bridge details
| Structure | Concrete culvert |
| Length | about 21 ft |
| Location | SW City Limits Dierks |
| NBI structure number | 0000000000M1306 |
| Condition class | Fair |
| Traffic status (item 41) | Open, no restriction |
| Last inspection (item 90) | April 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 Arkansas department of transportation.
Busiest bridges in Howard County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| SH 27 Sec.02-11.02 over Coleman Creek | 1970 | 7,800 | Fair |
| US 371 -02 -12.96 over Mine Creek | 1987 | 7,500 | Fair |
| S.H. 27-b - 1.37 over Ditch | 1997 | 6,200 | Good |
| US 371 Sec 2-11.00 over Coleman Creek | 1993 | 5,700 | Good |
| SH 27 Sec.02- 7.61 over Dillard Creek | 1970 | 5,500 | Fair |
| SH 27- 02 - 9.41 over Sandy Branch | 1970 | 5,500 | Fair |
All bridges nearby: Howard County, AR bridge conditions · every bridge in Howard County · Arkansas bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.