County Rd 492 over Drain Dtch
Pemiscot County, Missouri · rated Fair in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- County Rd 492 over Drain Dtch in Pemiscot County, Missouri, 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 1988, making it 37 years old at the 2025 inventory.
- It carries about 100 vehicles a day (traffic count year 2023).
- Its listed owner is the county highway agency.
- It is one of 116 of the 207 inventoried bridges in Pemiscot County rated fair (56.0%); 19 (9.2%) are rated poor.
- Its traffic status in the 2025 inventory is open, no restriction (NBI item 41).
- Its class is unchanged from 2024 (fair), but component ratings moved: substructure 7 to 6.
- Its most recent inspection on record is dated November 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 → (36.03072, -89.94419)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Deck | 6 | 6 | Satisfactory condition |
| Superstructure | 6 | 6 | Satisfactory condition |
| Substructure | 7 | 6 | Satisfactory condition |
Bridge details
| Structure | Prestressed concrete multiple box beam |
| Length | about 211 ft |
| Location | S 11 T 16 N R 10 E |
| NBI structure number | 21691 |
| Condition class | Fair |
| Traffic status (item 41) | Open, no restriction |
| Last inspection (item 90) | November 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 Missouri department of transportation.
Busiest bridges in Pemiscot County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| Is 55 S over Drain Dtch No 7 | 1962 | 21,029 | Fair |
| Is 55 S over Main Dtch No 6 | 1969 | 19,915 | Fair |
| Is 55 S over Main Dtch No 6 | 1969 | 19,570 | Fair |
| Is 55 S over Drain Dtch No 4 | 1974 | 18,439 | Fair |
| Is 55 S over Drain Dtch No 12 | 1992 | 17,850 | Fair |
| Mo 84 E over Drain Dtch No 6 | 1930 | 14,654 | Fair |
All bridges nearby: Pemiscot County, MO bridge conditions · every bridge in Pemiscot County · Missouri bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.