CR 21 - B - 2.98 over McKINNEY BAYOU
Miller County, Arkansas · rated Good in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- CR 21 - B - 2.98 over McKINNEY BAYOU in Miller County, Arkansas, is rated in good condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the culvert, rated 8 (very good condition) on the 0-9 scale.
- It was built in 2009, making it 16 years old at the 2025 inventory.
- It carries about 90 vehicles a day (traffic count year 2018).
- Its listed owner is the county highway agency.
- It is one of 134 of the 217 inventoried bridges in Miller County rated good (61.8%); 7 (3.2%) 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 December 2024, on a 24-month routine inspection cycle.
- A good rating means every major component - deck, superstructure, substructure, or culvert - is rated 7 or higher on FHWA's 0-9 scale: no more than minor problems.
View this bridge on a map → (33.42712, -93.85654)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Culvert | 8 | 8 | Very good condition |
Bridge details
| Structure | Concrete culvert |
| Length | about 78 ft |
| Location | 0.38 Mi N Jct US Hwy 82 |
| NBI structure number | 000000000023236 |
| Condition class | Good |
| Traffic status (item 41) | Open, no restriction |
| Last inspection (item 90) | December 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 Miller County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| I-30 District 3 over Red River- Miller Co | 2017 | 32,000 | Good |
| I 49 S.b-01-25.13 over Four mile Creek | 2001 | 29,000 | Good |
| I 49 N.b-01-25.14 over Four mile Creek | 2001 | 29,000 | Good |
| Us71-sec 3-lm 2.90 over I-30 - Sec. 11 Lm 0.001 | 2010 | 27,000 | Good |
| I 49 S.B. -15.72 over Boggy Creek | 2004 | 18,000 | Good |
| I 49 N.b.- 15.72 over Boggy Creek | 2004 | 18,000 | Good |
All bridges nearby: Miller County, AR bridge conditions · every bridge in Miller County · Arkansas bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.