I-30 -11- 4.89-wb over Mckinney Bayou
Miller County, Arkansas · rated Fair in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- I-30 -11- 4.89-wb over Mckinney Bayou in Miller County, Arkansas, is rated in fair condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the deck, rated 6 (satisfactory condition) on the 0-9 scale.
- It was built in 1964 and reconstructed in 1991, making it 61 years old at the 2025 inventory.
- It carries about 16,128 vehicles a day (traffic count year 2016).
- Its listed owner is the state highway agency.
- It is one of 76 of the 217 inventoried bridges in Miller County rated fair (35.0%); 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 2022, on a 48-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 → (33.49401, -93.96606)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Deck | 6 | 6 | Satisfactory condition |
| Superstructure | 6 | 6 | Satisfactory condition |
| Substructure | 7 | 7 | Good condition |
Bridge details
| Structure | Concrete slab |
| Length | about 120 ft |
| Location | 4.89 Mi E Jct US 71 |
| NBI structure number | 0000000000A3569 |
| Condition class | Fair |
| Traffic status (item 41) | Open, no restriction |
| Last inspection (item 90) | December 2022 |
| Inspection interval (item 91) | 48 months |
| Scour (item 113) | 5: foundations stable, scour within the limits of the footing or piles |
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.