County Rd # 720 over Drain Dtch
Dunklin County, Missouri · rated Good in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- County Rd # 720 over Drain Dtch in Dunklin County, Missouri, is rated in good condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the deck, rated 7 (good condition) on the 0-9 scale.
- It was built in 1990, making it 35 years old at the 2025 inventory.
- It carries about 50 vehicles a day (traffic count year 2024).
- Its listed owner is the county highway agency.
- It is one of 94 of the 217 inventoried bridges in Dunklin County rated good (43.3%); 18 (8.3%) 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 February 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 → (36.05994, -89.9861)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Deck | 7 | 7 | Good condition |
| Superstructure | 7 | 7 | Good condition |
| Substructure | 7 | 7 | Good condition |
Bridge details
| Structure | Prestressed concrete tee beam |
| Length | about 81 ft |
| Location | S 33 T 16 N R 10 E |
| NBI structure number | 21614 |
| Condition class | Good |
| Traffic status (item 41) | Open, no restriction |
| Last inspection (item 90) | February 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 Dunklin County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| Mo 84 E over Buffalo Dtch | 1922 | 12,954 | Fair |
| US 412 E over Buffalo Drain Dtch | 1948 | 9,424 | Fair |
| US 412 E over St Francis Rvr | 2002 | 7,687 | Fair |
| US 412 E over Red Devil Dtch | 1968 | 7,608 | Good |
| US 412 E over Kinnemore Dtch | 1968 | 6,988 | Good |
| US 412 E over Pole Cat Slu | 1963 | 6,473 | Fair |
All bridges nearby: Dunklin County, MO bridge conditions · every bridge in Dunklin County · Missouri bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.